日本建築学会技術報告集

材料施工

高性能な流動化コンクリートの開発とCFT造への適用

神代泰道, 酒井正樹, 並木憲司

2015 年 21 巻 47 号 p. 1-6
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.1

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High-flowing concrete having fluidity and material separation resistance was developed using a new fluidity agent. Adding it to normal concrete of slump 18cm in an agitator truck provided by a ready mixed concrete, high-flowing concrete of slump-flow 60cm could be manufactured in the construction site. Our Flowing concrete was examined for the applicability of the pump injection method for CFT(Concrete filled steel tube) using an actual-sized CFT. And it was applied to the building. It was confirmed that the developed flowing concrete using a new fluidity agent had the applicability of the pump injection method for CFT.

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あと施工アンカーの引張クリープ試験方法の基礎的評価

安藤重裕, 山田宏, 中野克彦, 濱崎仁, 田沼毅彦

2015 年 21 巻 47 号 p. 7-10
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.7

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The tensile creep test of the post-installed anchor was carried out by the improved spring type creep test equipment. The measurement of creep deformation from non-load and creep fracture time was possible over a long period of time by this equipment. The creep deformation at about 1/3 load of the maximum load increase slightly for the duration of 90 day, but the creep deformation is very small, and creep fracture will not occur in 50 years. And at 80% of the maximum load, creep fracture occurred in 168 days.

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床下地の要求品質に応じた施工に関する実践的研究

呼び強度36のコンクリートを用いた在来工法スラブにおける検討

横山裕, 三好拓真, 福田眞太郎, 横井健, 端直人, イジョング

2015 年 21 巻 47 号 p. 11-16
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.11

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Slabs should be moderately flat according to users’ requirement. From this concept, experiment to construct slabs under different labors was carried out at an actual building using 36 N/mm² concrete. When required flatness were shown to finishing workers, they proposed adequate techniques to achieve them. After being approved by construction supervisors, slabs were constructed under those techniques and were measured their flatness. As the result, it was shown clearly that tamping works of unsuitable timing and displacing level pointers invent bumps very much, areas where are hard to use trowels (e.g., at pillars) are difficult to be made flat.

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戸建住宅の組積耐力壁に用いる非焼成土ブロックの材料・調合および製造条件に関する検討

中村航, 輿石直幸

2015 年 21 巻 47 号 p. 17-22
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.17

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Earth materials have great possibility of saving the burden on global environment. However, the utilization ways of earth material are limited within traditional clay wall and earthenware products. This paper reported the results for the experiments that aimed to use the non-burnt earth blocks as the masonry units for the load-bearing exterior wall of small scale detached house. Magnesium oxide was used as the additives to enhance the compressive strength and water resistance based on the experiment, and then the influence of the mix proportion and manufacturing conditions assuming outdoor and handmade were investigated.

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ウレタンゴム系塗膜防水層の膜厚測定法の特徴とその信頼性に関する調査研究

法身祐治, 石原沙織, 渡辺光, 名知博司, 竹本善昭, 熊谷健二, 中島由美子, 田中享二

2015 年 21 巻 47 号 p. 23-27
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.23

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Field measurements of thickness of a polyurethane membrane applied on an actual building by four kinds ofmeasuringmethods such as ultrasonic wave measuring, eddy current measuring, needle penetration and direct measuring of cut-out specimens were first carried out, and the advantages and disadvantages of each method were discussed. As for the technique to collect a cut-out piece from a membrane, a new one of capable of reliably collecting using a punch of 10mm in diameter was developed. The specimens of various compositions and wide rage of thickness were prepared and their thickness measured carefully in a laboratory, and the accuracy of thickness by each measuring method was discussed. Finally the suitable combination between various thickness measuring methods and polyurethane membranes of different thicknesses and compositions was proposed.

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可視化試験体を用いたひび割れ補修材の注入性状の評価技術

毛利聡, 大久保孝昭

2015 年 21 巻 47 号 p. 29-34
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.29

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Injecting resins into crack is a generic method for repair of concrete members. Assessing in advance the injection behavior is important to decide the repair method in actual construction.
In this paper, specimens that simulated an actual crack of concrete were produced using a 3D scanner and a 3D printer. One of a pair of the specimens was made of a transparent material, therefore it became possible to estimate the injection behavior by visual observation. In this experiment, it was possible to evaluate the initial extent of injection and the dribble of the repair materials in the same shape crack.

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既存集合住宅の外断熱省エネ改修における工事の実態に関する研究

−事例調査に基づいて−

石川種俊, 清家剛, 金容善, 若山敦志, 林徹

2015 年 21 巻 47 号 p. 35-40
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.35

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In Japan, the number of external insulation renovations has been increased because it is expected not only that the living environment will be improved, but also that the cost of heat and electricity will be cut and the life span of the building will get longer. While there are many researches about saving energy after construction, there are few researches during construction. This research deals with the work efficiency and man-day survey about external insulation renovation of an existing apartment. Each processes was subdivided from preparation to cleaning up, and we measured how long it took to complete these steps. In the man-day survey, the number of worker who engaged in each kind of construction process was calculated and the relation between some features of the building and the number of worker was also revealed.

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高強度プレストレストコンクリートポールのクローズドリサイクルに関する調査研究

船本憲治

2015 年 21 巻 47 号 p. 41-44
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.41

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This paper describes the results of research study on closed recycle of high strength prestressed concrete pole. As the result, the main conclusions are as follows. 1) The quality of recycled coarse aggregate made from used concrete poles corresponds to the recycled aggregate class M. 2) The quality of recycled fine aggregate made from used concrete poles corresponds to the recycled aggregate class L. 3) There is a possibility that recycled aggregate made from used concrete pole can be applied for new concrete pole, if natural aggregate is replaced with a part of recycle aggregate.

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鋼製下地吊り天井の天井面の曲げに関する力学特性

石原直, 稲井慎介, 森田泰弘, 渡壁守正, 脇山善夫, 喜々津仁密

2015 年 21 巻 47 号 p. 45-48
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.45

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In the Great East Japan Earthquake, many suspended ceilings were damaged and fell down. If ceiling systems are attached to its surrounding walls and beams, in-plane compression strength of ceilings can be a primary factor of seismic design. By the results of compression tests, the strength is often limited by the buckling of ceiling as a composite plate. In this case, bending mechanical properties of ceiling system can be major factors of fragility against earthquakes. In this paper, bending stiffness and strength of steel furring suspended ceiling system are clarified by static bending tests.

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専門工事業の職能・職域から見た木造住宅外皮からの雨水浸入の原因に関する考察

大場喜和, 石田壽一

2015 年 21 巻 47 号 p. 49-54
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.49

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This article examines the optimization method for the timber-framed houses ally regarding the rain leaking caused by the inappropriate construction. Using the database of 6000 cases obtained by the dwelling inspection of 11 years, the rain leaking and condensation cases are extracted and categorized into the region and construction method. Having a questionnaire survey, 35 cases became the comparative analysis data for the inappropriate construction. As the result increase of multi function worker against to mono function worker are often to be the cause of inappropriate construction because of the shortage of experiences and literacy for vocational ability and domain.

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東北地方太平洋沖地震および余震による学校施設の校舎における天井の震動被害

江口亨, 清家剛, 熊谷亮平, 松本由香, 伊山潤, 山田哲, 椛山健二, 楠浩一

2015 年 21 巻 47 号 p. 55-59
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.55

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In order to clarify the damage to ceilings as nonstructural element on school buildings due to the 2011 Tohoku Earthquake, total 205 school buildings were investigated according to documents for disaster restoration work. Damages to ceilings are concentrated on the top floor of the buildings. Bend-form ceilings tend to be damaged more than flat ones. Falls of ceiling with furrings are approximately 40% of total falls. There are many damaged ceilings even the building have enough seismic strength for current standard.

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構造

長周期地震動を考慮したPML評価手法の開発

恒川裕史, 大渕正博, 糸井達哉, 高田毅士

2015 年 21 巻 47 号 p. 61-66
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.61

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Risks for long-period structures due to long-period strong motion has been a challenge since damages occurred during 2003 Tokachi-oki Earthquake. Although PML is widely used as a seismic performance index, conventional methods cannot be applied directly to those. A new PML evaluation method is proposed. Ground motions for inter- and intra-plate, and crustal earthquakes are predicted using attenuation equations of response spectrum and group delay time. 3D elasto-plastic response analyses are employed and earthquake loss is calculated based on ductility and cumulative plastic deformation ratio of each structural element. The proposed method is illustrated with examples in Osaka and Tokyo.

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低層住宅に設置される太陽電池モジュールの設計用風力係数に関する検討

高森浩治, 中川尚大, 山本学, 奥田泰雄, 谷口徹郎, 中村修

2015 年 21 巻 47 号 p. 67-70
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.67

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The wind pressures on the upper and lower surfaces of the modules indicate negative values where photovoltaic modules are installed on the roof of buildings. Therefore the mean wind forces on the modules are relatively weak. On the other hand, the peak wind forces on the modules become severe due to the differences of fluctuating wind pressures on the upper and lower surfaces. This paper presents the design wind force coefficients for photovoltaic modules installed on the gable roof of low-rise buildings, based on the peak wind force coefficients which are measured the wind tunnel experiments.

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常時微動測定による灯台の振動特性推定

日高みなみ, 青木孝義

2015 年 21 巻 47 号 p. 71-76
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.71

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It is extremely important to obtain reliable information about actual structural and dynamic properties to evaluate the earthquake-resistance performance of a structure. However, examples of vibration experiments performed for a lighthouse are scarce. This study focuses on estimating the dynamic parameters of the Ujina Lighthouse by performing microtremor measurements and forced oscillation experiments. Although some variation is observed between the damping factors obtained from the measurements and experiments, the natural frequencies obtained from both the methods agree well up to higher modes of vibration. Therefore, microtremor measurement is a useful method to obtain reliable dynamic properties simply and easily.

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超音波によるコンクリートの履歴最大ひずみレベルの推定手法に関する研究

小阪宏之, 松島信一, 川瀬博, 菊地利喜郎

2015 年 21 巻 47 号 p. 77-82
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.77

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In order to examine the effectiveness of non-destructive inspection of concrete using supersonic waves, we carried out several experiments. The transmission method was used for the specimen for static loading, and the reflection method was used for specimen for dynamic testing. For the static loading, the propagating speeds of supersonic waves decrease with increase of maximum hysteretic strain level. However, for the dynamic testing, there were no clear correlation between the velocities of supersonic wave and the maximum hysteretic strain level. This may be due to the fact that surface wave amplitude is considerably larger than that of reflection waves.

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動力学的震源モデルに基づく震源近傍のパルス性地震動に関する基礎的検討

永野正行, 上田遼, 加藤研一, 大塚康弘, 引間和人, 植竹富一

2015 年 21 巻 47 号 p. 83-88
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.83

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This study investigates fundamental properties of the pulse-type earthquake motions adjacent to a vertical strike-slip fault using the dynamic rupture model based on the slip-weakening law. Surface-rupturing leads to large final slip in the surface region which has less influence on amplification of velocity pulse in fault-normal direction. It is inferred from parameter study that large stress drop and small critical slip result in large velocity amplitudes as consequences of the faster rupture velocity and increase of slip rate. Peculiar spatial variation of pulse velocity is also discussed in related with a supershear rupture.

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地震防災学的観点からの都市施設の時空間変遷視覚化の試み

気仙誠, 岡田成幸, 中嶋唯貴

2015 年 21 巻 47 号 p. 89-94
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.89

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This study developed an image processing technology which was capable of data extraction of the digital information out of topographic maps of analog paper. Applying this technology for the purpose of seismic risk analysis in Sapporo urban area and the suburbia in the time series from 1940s to 1990s, we are able to cultivate an understanding in the field of social geography; with the addition of the comparative analyses of estimated seismic intensity maps of these areas. We are able to propose a safety design of city planning of Sapporo area from the point of view of earthquake engineering.

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大地震時に対する耐震性能評価のための既製コンクリート杭の曲げ強度と変形特性

金子治, 中井正一, 向井智久, 飯場正紀, 平出務, 阿部秋男

2015 年 21 巻 47 号 p. 95-98
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.95

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There were several cases reported the damage to precast concrete piles during the 2011 Great East Japan earthquake.
To estimate the strength and deformation characteristics of precast concrete piles against big earthquakes, data of existing load tests were collected and analyzed. The characteristics obtained by calculation used cross-sectional correspond to the results of the load tests.

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パイルド・ラフト基礎の鉛直支持力に関する数値解析的検討

山下清, 谷川友浩, 重野喜政, 濱田純次

2015 年 21 巻 47 号 p. 99-104
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.99

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Bearing capacity of piled raft foundations in clay soils was studied using elasto-plastic three-dimensional FE analysis. The numerical analysis was carried out by varying ratio of pile length to raft breadth and distribution of soil strength with depth. The analytical results about the bearing capacity of piled raft foundations were compared with that of raft foundations and pile foundations. Consequently, it was found that the ultimate bearing capacity of a piled raft was approximately equal to or larger than 0.8 times the sum of the bearing capacities of a raft alone and a pile group.

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木造住宅に使用される構造用面材の基本性能調査

鎌田貴久

2015 年 21 巻 47 号 p. 105-108
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.105

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Many types of structural panels are used in the shear walls of conventional Japanese wooden houses. They are not only wood based but also non-wood based panels. However, the properties of these panels have not been adequately studied. We therefore conducted tests using seven types of commercial panels: four wood-based materials and three fireproof materials. We analyzed the similarities between the panels and the test results for each of the panels to uncover the relationships between these materials.

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貫接合部の履歴特性のモデル化手法に関する研究（その２）

楠寿博, 望月英二

2015 年 21 巻 47 号 p. 109-112
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.109

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The purpose of this study is to investigate the applicability of properties modification method (PMM) to nuki-column joints of Japanese traditional wooden frames. The basic analysis model of joint consists of three kinds of non-linear rotational springs, whose properties were determined based on the experiments conducted before. The properties of basic analysis model were modified to meet the conditions of each specimen by PMM. It was confirmed that the analysis results of hysteretic energy dissipation of hysteresis model obtained by PMM showed good agreement with the experiment results.

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伝統木造軸組架構の仕様が復元力特性に及ぼす影響

杉野未奈, 林康裕

2015 年 21 巻 47 号 p. 113-118
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.113

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The objective of this study is to analyze influences of details of traditional wooden frames on their restoring force characteristics and following conclusions have been drawn. 1) We evaluate how details of traditional wooden frames such as nonstructural elements, kind of hanging walls and so on affect the maximum restoring force and stiffness of specimens. 2) Equivalent natural frequency from shaking table test can be estimated from static loading test because restoring force characteristics of static loading test and shaking table test are almost same. 3) Dynamic deformation characteristics of all specimens are represented by one regression equation.

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あと施工アンカーを集中して配置する枠付鉄骨ブレース耐震補強工法の応用例と水平接合部破壊型補強架構の耐力評価法

高橋侑司, 稲井栄一, 河本孝紀, 原山賢, 柿原巧弥, 伊藤佑輔

2015 年 21 巻 47 号 p. 119-124
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.119

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The authors have developed a seismic retrofitting method for existing RC frames by framed steel braces partially and concentrically jointed with anchors. As the primary purpose of applying this method to existing frames of low strength concrete, the short span, and SRC structure, loading tests of new five specimens were conducted. In this paper, the details of the test results are reported, and the validity of the proposed evaluating method for the lateral strength of the retrofitted frame in the horizontal joint failure mode is verified using the test results of eleven specimens including six specimens in the previous studies.

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平板と波板からなる乾式組立鋼製床の面内剛性の評価

中安誠明, 半谷公司, 海原広幸, 中島正愛

2015 年 21 巻 47 号 p. 125-130
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.125

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In-plane stiffness of dryly built-up steel floor made of flat and corrugated plate is evaluated with using theoretical formulation and physical test. They indicate, 1) dryly built-up floor alone can satisfy required stiffness; 2) it is difficult to satisfy required stiffness when the floor is connected to beam by self-drilling screw; and 3) stiffness of built-up steel floor can be estimated by theoretical formulation shown herein with the accuracy between 0.8 and 1.4 as the ratio of test result to the theoretical value.

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せん断面に対して傾斜して配されたせん断パネルに関する実験的研究

西村健, 前田珠希

2015 年 21 巻 47 号 p. 131-135
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.131

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We proposed shear wall with shear panel for Light Gauge Steel Framed House, which has hysteresis damping mechanism. The shear panel makes an acute angle between flange and web. In this study, three different types of the shear panel were tested under static and cyclic shear loading. To the results, deformation capacity of proposed shear panel in the range of large deformation is superior to normal shear panel. And, it can evaluate characteristic of low cycle fatigue by Coffin-Manson rule.

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疲労性能の高い座屈拘束ブレースの研究

小谷野一尚, 宮川和明, 小出秀一, 喜多村亘, 岩田衛

2015 年 21 巻 47 号 p. 137-140
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.137

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A great variety of earthquakes such as the long period and long duration are predicted in the future. A high-performance buckling-restrained brace that is effective for those earthquakes is necessary. The authors have studied the buckling-restrained brace that has high-energy absorption capacities even in the high strain amplitude domain. However, not only the energy absorption capacities but also the fatigue performance is important. Therefore the authors confirm whether the buckling-restrained brace that had high-energy absorption capacities would become high-performance in the fatigue life. As a result, this buckling-restrained brace shows the high fatigue performance at the high strain amplitude domain.

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溶融亜鉛メッキ鋼材とCFRPとの接着強度に関する考察

松井孝洋, 山本展久, 服部明生, 松本幸大

2015 年 21 巻 47 号 p. 141-144
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.141

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Recently, it is highly important issue that the aging degradation of the structural members caused by corrosion and/or fatigue cracks. Therefore, repair and reinforcement method by using CFRP have been developed in many years. However, in the case of galvanized steel members, it is not recommended that removing the galvanizations to ensure the adhesion strength of the reinforcement material because of occurrence other corrosions. Based on these, the adhesion strength of galvanized steel and CFRP is investigated without removing the galvanizations through tensile shear test in this paper.

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防火

排煙および散水を考慮した区画内の煙挙動に関する実験的研究

−液体燃料を用いた実大実験−

野竹宏彰, 広田正之, 松山賢, 沖永誠治, 外村賢昭, 長谷見雄二

2015 年 21 巻 47 号 p. 145-150
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.145

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Sprinklers systems are well known as one of the most efficiently suppression tool in building fires, however it is apprehended that sprinkler sprays might disturb the stratified smoke layer during initial stage of fire. On the other hand, mechanical smoke exhaust system also is used to delay the descent of the interface between upper and lower layers and to secure the evacuee’s safety in fire in the high-rise and large scale buildings. In this study, a series of full-scale experimental study was carried out to unveil the effect of the sprinkler sprays, the mechanical smoke exhaust system and the length of smoke curtain on the smoke layer height. As a result, the useful experimental data on their relation was reported for applying to a simulation model related to fire.

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耐火木造部材の荷重支持部の木材密度が耐火性能に与える影響

大橋宏和, 長岡勉, 永盛洋樹, 高橋拡, 山本正人, 杉田敬太郎, 遊佐秀逸, 大宮喜文, 山田誠, 齋藤潔

2015 年 21 巻 47 号 p. 151-156
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.151

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Fire-resisting wood structural elements for building were developed. It is composed of three layers made of glued laminated timber, “a load-bearing part, a self-charring-stop and a surface layer”. Tree species of load-bearing part is limited to the only kind. In order to enable a species different, this research was carried out. Fire resistance test was performed to demonstrate the effect on fire resistance of the wood density. The relationship of fire resistance and wood density of the load-bearing part was clear. Usage of high wood density of the load-bearing part was obtained a conclusion that is advantageous to fire performance.

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放射空調設備とスプリンクラー設備の配管兼用システムの性能確認試験

掛川秀史, 野竹宏彰, 高橋満博, 荒井義人, 村上宏次

2015 年 21 巻 47 号 p. 157-162
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.157

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Dual-purpose sprinkler water piping system which is combined with radiant air conditioning system has been developed. The system is applied to the high-rise office building in Tokyo and certified as the “special fire defense equipment” according to the Fire Service Act of Japan. Heat resistance test of the equipment and system operation test were carried out. As the result of the tests, it is confirmed that the system has the performance which is equivalent to the sprinkler system.

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建物間の延焼防止に関する各国の防火基準の比較

−主に外壁開口部と外装材を対象として−

乃村英一朗, 萩原一郎, 大宮喜文

2015 年 21 巻 47 号 p. 163-166
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.163

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Using wood as construction materials is important for sustainable living, and Japanese government has been promoting extensive use of wood as building materials recently. However, wood is a combustible material. Therefore, extensive use of wood in buildings also involves fire risks. On the other hand, the construction of larger-scale timber building is enabled recently in some foreign countries. In this study, we would like to examine the requirements of external fire spread between buildings by comparing methods and basis of their safety codes.

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環境工学

材料開発におけるアンサンブル平均による材料の吸音特性のin-situ測定法の適用

富来礼次, 岡本則子, 大鶴徹, 上水隆義, 山口信

2015 年 21 巻 47 号 p. 167-170
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.167

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An in-situ measurement method using ensemble averaging technique, i.e., EA method, is applied to evaluate absorption characteristics of multi-functional interior materials using porous mortar in development phase. First, absorption characteristics of small specimen are measured by EA method in a reverberation room, and the repeatability of the measurement is confirmed. Next, absorption characteristics of eight kinds of porous mortars with different fine aggregate and porosity are measured by the method, and their absorption characteristics are compared with each other. Finally, the effect of finishing material on absorption characteristics of the porous mortar is examined.

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デッキプレートスラブの固有振動解析と平板への換算に関する検討

−鉄骨造デッキプレートスラブの振動および床衝撃音に関する数値解析的研究　その１−

會田祐, 橋本典久

2015 年 21 巻 47 号 p. 171-176
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.171

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The natural frequencies and the mode shapes of deck plate slabs in steel structure buildings were measured. An eigenvalue analysis was carried out on the measured slab by the finite element method with coupling of in-plane and bending displacement, and the result showed good correspondence with the measurement. By using the eigenvalue analysis by the finite element method, conversion of deck plate slabs to flat plates were studied, and relation between ratio of side length in mode shape component and converted plate thickness was shown. The conversion method was verified in the vibration analysis of the actual building floor.

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地球温暖化予測情報第6巻に基づく標準年将来気象データの空調熱負荷計算への応用

曽我和弘

2015 年 21 巻 47 号 p. 177-182
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.177

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Annual air-conditioning loads of office buildings were calculated from both future reference weather year data (FRWY) and future weather data (FWD) based on GWP6. The following results were obtained. 1) FWD can be used as an input weather data for future annual air-conditioning load projection and as data source of FRWY. 2) Annual air-conditioning load calculated from FRWY is close to long term average of future annual air-conditioning load. 3) It is possible to search present location with annual air-conditioning load which is similar to future annual air-conditioning load using present and future reference weather year data at 833 locations.

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高断熱木製サッシの性能に関する研究

−実証試験による暖房負荷計測−

千福地航平, 浅野良晴, 高村秀紀, 岩井一博, 福島功二, 新井光一郎, 冨澤佑太

2015 年 21 巻 47 号 p. 183-186
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.183

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This paper aims to measure the insulation performance by an actual proof test using the opening which has been developed and to calculate the effect of the opening improvement. The result shows that the building frame and opening improvement enable to reduce over 70% heating load under the conditions of 25 degree indoor and outdoor temperature difference. Furthermore, the opening improvement enable to reduce large heating load in the small scale construction.

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竣工前実験による特殊継手・結合通気併用方式の排水能力の把握

業務用超高層建物に適用するディスポーザ排水立て管システムの提案と排水能力検証（その1）

大塚雅之, 杉本遼太, 秋山和也, 加藤利崇, 坂口佳史, 新村浩一

2015 年 21 巻 47 号 p. 187-192
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.187

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This study aims, through a proposal and drainage performance verification of a new disposer drainage stack system which is applied to kitchen drainage systems of super high-rise business buildings, to obtain knowledge which contributes to the planning and design method of such a drainage system. The first report proposes a new disposer drainage stack system which employs the combined use of speed reducing fittings and a yoke vent pipe and reports on the application of the proposed system to an actual building. The report then aims to understand, at a pre-completion stage, the drainage performance and vent characteristics of the proposed system.

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OA機器更新に伴う内部発熱減少の実証と空調熱負荷の変動

藤川慈久, 尹奎英

2015 年 21 巻 47 号 p. 193-198
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.193

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Recently, it is predicted that internal heat gain reduced because the efficiency of OA equipment is will be become high and the consciousness of energy saving is increasing. And it is effected on reducing of internal heat gain on HVAC system and indoor thermal environment. For example, operating efficiency of HVAC system will be exacerbated by increasing of partial load operating. So, this study makes survey of internal heat gain. To circumstantiate change of energy consumption and offer fundamental information about internal heat gain. In this study, effect of air-conditioning load influenced by change of internal heat gain was investigated.

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東アジア・日本の諸都市のヒートアイランド対策ガイドラインと評価ツールの比較に関する研究

地球環境委員会都市と気候適応小委員会東アジア諸都市のヒートアイランド対策ガイドライン検討ワーキンググループ

2015 年 21 巻 47 号 p. 199-204
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.199

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In this paper, we introduce activities of a working group entitled “Working group for investigating countermeasure guideline against urban heat island of each city in East Asia”. This group has been established in the subcommittee on urban and climate adaptation, research committee on global environment, AIJ, since 2012. In the former part of this paper, we outline existing countermeasure guidelines for urban heat island in Japan, Japanese local governments, and East Asia countries, while we investigate detail comparison of targets and countermeasure menus included in each countermeasure guideline in Japanese local government in the latter part of this paper.

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都市域における防災・環境面からみた分散型エネルギー拠点構築ポテンシャル評価

稲垣景子, 佐土原聡

2015 年 21 巻 47 号 p. 205-208
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.205

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In this study, we evaluated the potential of the installation of distributed power generators toward emergency response and energy conservation in the Tokyo area. In this regard, we first selected the facilities installed with Co-generation system (CGS), such as government administration offices, medical facilities, head offices of private companies, and railway stations, which are the most essential places to be functioning immediately after a disaster, thus requiring the most power at this time. Then, we selected the high-density area and planned to install CGS in the above-mentioned buildings. The results of this study indicated the effects of the installation of CGS on both disaster management and low-carbon city planning.

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ZEBを指向した建築物の改修実証試験における空調計画と検証

平岡雅哉, 弘本真一, 加藤正宏, 鈴木雄介

2015 年 21 巻 47 号 p. 209-214
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.209

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The amendment and adoption of new criteria for the Energy Conservation Act in 2013 as a short term initiative and the formulation of a Net Zero Energy Building (ZEB) vision as a medium and long term initiative have been included within the “Schedule for Promotion of Housing and Methods of Living for a Low Carbon Society” adopted by the government. As there is an even greater need for energy conservation and lowering the peak electricity demand after the Great East Japan Earthquake, the need for electricity conservation in existing buildings, which has not been positively implemented very much in the past, and energy conservation and converting existing buildings to ZEBs in the medium and long term is increasing. Various energy efficiency technologies were introduced into the K Building,1) which was constructed over 20 years ago, to convert it into a ZEB, and the effect was quantified in the operational stage with the aim of generalizing the technologies used.

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新潟県産材を使用した合板の環境影響評価

上田智輝, 高村秀紀, 浅野良晴, 早川慶朗

2015 年 21 巻 47 号 p. 215-218
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.215

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We conducted a survey in a plywood mill in Niigata Prefecture for the purpose of environmental impact quantification. We calculated the yield and measured the energy used at the plywood mill. Then we calculated the CO₂ emissions per cubic meter of plywood production. We also measured the volume of by-products from the plywood mill. After that, we calculated the carbon balance by subtracting the carbon emissions from the amount of fixed carbon. Finally, we determined the environmental impact of the plywood with LIME.

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建築計画

香港房屋委員会の公共賃貸住宅における居住者組織に関する研究

北原玲子, 篠原聡子

2015 年 21 巻 47 号 p. 219-223
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.219

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In this study, it aimed to clarify about the housing problem and the residents association in order to grasp the present condition and the measure in public rental housing by Hong Kong Housing Authority. In HKHA public rental housing, the residents association mainly working has shifted from KFA, MAC to EMAC. KFA which has worked from the 1950s to the 1960s was established by initiative of Hong Kong Colonial Government. MAC which was the arbitrary residents association formed for every blocks was established by influence of HKHA in the 1970s. by the deterioration in the security situation of high-rise building at public rental housing. From the 1990s, EMAC was established by initiative of HKHA.

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居住者の記憶をもとにした1960年代における団地暮らしの記録

−千里ニュータウンを事例として−

瓜生朋恵, 梶木典子, 上野勝代

2015 年 21 巻 47 号 p. 225-230
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.225

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This study aims to collect memories of Danchi life about the first-generation people in Senri New Town. The results are as follows; 1) We figured out the typical Danchi life in the 1960s through interviews. 2) The first-generation people took the new lifestyle regardless of whether the floor plan of the apartment fitted or not. Therefore, some troubles were occurred in the apartment. However, they dealt with their troubles and they enjoyed their Danchi life. 3) We were also able to hear variety of Danchi life episodes in the 1960s.

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賃貸共同住宅におけるセルフ・リノベーションの契約と事業の特性

西野雄一郎, 横山俊祐, 徳尾野徹

2015 年 21 巻 47 号 p. 231-236
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.231

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This article is research on the characteristics of contract and management of self-renovation by tenants in rental apartment houses. We interviewed real estate agency and building owners about a lease contract, business feasibility and condition of dwelling units. Based on hard aspects, such as planning of dwelling units, soft aspects, such as contents of contract and business feasibility, we raised desirable system of contract, space of dwelling units and succession of dwelling units for business operators who manage the self-renovation by tenants in rental apartment houses.

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看護師の看護動線量と看護負担感の関係についての分析

S病院３診療科を対象とする事例報告

上谷ひとみ, 山田あすか, 佐藤栄治, 松下大輔, 熊川寿郎

2015 年 21 巻 47 号 p. 237-242
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.237

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This paper is part of a study to analyze the relationship between nurses’ burden feeling and ward plan. For this purpose, in this paper, the relationship between nurses’ burden feeling and nursing travel distance was analyzed in 3 deferent departments’ wards that have same ward plan (double corridor type). As a consequence, correlation was not observed in the nurses’ burden feeling and nursing travel distance on same survey date. On the other hand, it was founded that there was a strong correlation of busy feeling and physical/mental burden feeling.

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鳥取県内エコスクールにおける環境配慮型設備の設置状況と教室の通風・採光性に関する考察

細田智久

2015 年 21 巻 47 号 p. 243-248
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.243

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Since the Ministry of Education started Eco-School Pilot Model in 1997, eco-schools have increased to over 1450 in number. This study clarified the installation status of ecological equipment and the ventilation and natural lighting of classroom planning through an actual survey of seven elementary eco-schools in Tottori. The results are as follows. 1) The main eco-equipment comprises photovoltaic panels, wood interiors, balconies, top-lighting, material reuse, and biotopes. 2) Maintaining natural ventilation and lighting is important in ensuring that classrooms provide a comfortable environment. 3) Open-style classrooms with multipurpose space have issues with deep recesses, but top-lighting helps improve natural lighting.

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全国の盲導犬訓練施設の諸室構成についての施設調査報告

渡辺富雄, 石森祥太, 矢野裕芳

2015 年 21 巻 47 号 p. 249-254
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.249

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The present report comprises a facility investigation of 11 guide dog training facilities run by 11 corporations as guide dog training facilities authorized by the National Public Safety Commission in Japan.
The layout of each facility and the scale and configuration of the various rooms within are clarified based on categorization of the rooms into the kennel, joint-training, and administrative and management offices divisions, and the diversity among the facilities is discussed.
Specific examples are cited to analyze the characteristics of the kennels and joint training rooms.

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共生ケア施設における基礎的ケア状況に関する分析

江文菁, 岡本和彦, 西出和彦

2015 年 21 巻 47 号 p. 255-258
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.255

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Harmonious care is a developing welfare system started in Toyama Prefecture in 2003. Similar centers recently spread throughout Japan and this study aims to clarify the comprehensive situation of these centers. Finding are as follows; 1) Harmonious care centers offer appropriate services for everyone, however social welfare and insurance systems lead the uneven users’ attributes. 2) Services include day care, nurture and short-stay. Some centers introduce job opportunity for handicapped. 3) 58 centers were purpose-built and 102 centers were renovated architecture which might be related with subsidies. 4) In purpose-built centers, the unity-type of space composition which is suitable for observing users is more. However, some centers have difficulty because of furniture layout.

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がんサロンの全国的運営状況および島根県における運営・活動実態に関する事例研究

田龍一, 竹宮健司

2015 年 21 巻 47 号 p. 259-264
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.259

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This study aimed to clarify the management situation and space planning of cancer salons in Japan. Data were collected as follows and analyzed.
1.Data on 233 cancer salons in 25 prefectures were collected from the website of the Center for Cancer Control and Information Services.
2.Data on 88 cancer salons held by 22 prefectural and city governments were collected by a telephone-based survey.
3.Interviews and participant observation at 9 cancer salons in Shimane prefecture were conducted to clarify in detail the current communication support systems and the space planning for their provision.

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実空間における準実験によるキャリーバッグ・ベビーカー利用者に対する周辺歩行者の回避行動計測

大野隆造, 金子いづみ, 小林美紀

2015 年 21 巻 47 号 p. 265-268
発行日: 2015/02/20
公開日: 2015/02/20

DOIhttps://doi.org/10.3130/aijt.21.265

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This study quantitatively examines the behavior of pedestrians moving close to a person with a trolley bag or baby stroller. The data will prove useful in estimating how much extra space needs to be allowed for those with such gear, for example in a railroad station or other transport facility. The experiment was conducted on a crowded street in a Tokyo business district during the morning commute. A male assistant hired for the experiment was asked to walk in three directions with respect to pedestrian flow in four conditions for a total of 12 experimental situations. The study revealed how large evasive space is required in each situation.

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