日本建築学会論文報告集

表紙

原稿種別: 表紙
1982 年320 巻 p. Cover1-
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_Cover1

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目次

原稿種別: 表紙
1982 年320 巻 p. Cover2-
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_Cover2

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CONTENTS

原稿種別: 目次
1982 年320 巻 p. Toc1-
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_Toc1

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奥付

原稿種別: 目次
1982 年320 巻 p. Toc2-
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_Toc2

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コンクリートの初期強度におよぼす温度条件 (20〜90℃) の影響

仕入豊和, 地濃茂雄

原稿種別: 本文
1982 年320 巻 p. 1-11
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_1

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In the present investigation, the compressive strength of the concrete was studied. According to the above results, we considered the influence of temperature on the compressive strength of cement concrete. The results of the present investigation have been interpreted as showing that the compressive strength of the cement concrete are especially dependent on the curing temperature, among the temperature of making materials, the mixing temperature or the temperature during the soculled dormant period of the compressive strength is higher. Our experimental results agree approximately with the results of approach to the hydration process of cement.

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鉄筋コンクリート部材における高強度せん断補強筋の補強効果に関する実験研究 : はりの曲げせん断実験

福原正志, 黒正清治

原稿種別: 本文
1982 年320 巻 p. 12-20
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_12

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This paper describes the qualitative experimental results and discussions concerning the reinforced concrete beams with high tension shear reinforcement whose 0.2% proof stress is about 13000kgf/cm^2. Fifty two specimens of beams subjected to bending moment and shear force were tested in this experimental study. Loads were applied anti-symmetrically, and the types of loading were monotonic and alternatively reversal. The number of reversal loading were ten times, and the strength at the alternatively reversal load was 21kgf/cm^2 (≒_cσ_B/10). The results of this study provided information about the essential function of high tension shear reinforcement against shear failure and about the factors affecting the ultimate shear strength of reinforced concrete beams with tension shear reinforcement.

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X 線回折法による鉄骨構造物の現場応力測定について : 高層鉄骨建物での測定

金多潔, 西澤英和

原稿種別: 本文
1982 年320 巻 p. 21-28
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_21

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In order to examine the applicability of the X-ray stress measurement for the actual steel structural members, the field tests have been performed at a high story building under construction. The test results may be summarized as follows. 1. The X-ray diffraction techiques can be directly applied for the stress measurement of the actual building members with the present technical level. 2. The accuracy of the X-ray measured stress is satisfactory, even if which is obtained through field test, in practical sense.

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鉄骨筋違の履歴特性の定式化 : その 2 応答解析への適用

柴田道生, 若林實

原稿種別: 本文
1982 年320 巻 p. 29-35
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_29

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Dynamic response analysis of a single-story braced frame was conducted to demonstrate the ability of the mathematical expression of hysteretic behavior of single braces proposed in the previous paper to simulate the dynamic behavior of the frame. The restoring force of the system was represented as a sum of the restoring forces of the bare frame and of the braces. The hysteretic behavior of the bare frame was taken to be bi-linear. The behavior of the braces was estimated by two methods. In the first method, the proposed function was used to represent the restoring force of the braces. The axial force of the braces was expressed as a single-valued continuous function with respect to the axial displacement until unloading occured. Upon unloading, the characteristic parameters were modified. In the second method, the restoring force of the braces was computed by a sophisticated numerical analysis. The frame was analyzed as an undamped one-degree-of-freedom system having piecewise-linear hysteretic characteristics. The important findings are as follows ; (1) Dynamic characteristics of the braced frame depended not only on the brace slenderness but also on the strength ratio of the frame to the braces. (2) The results of response analysis using the proposed hystresis function agreed well with the numerical solution. The proposed function can be used appropriately for the dynamic analysis.

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変断面鋼板引張材の変形能力と素材の力学的特性

青木博文, 加藤勉, 難波恒夫, 佐藤亘宏

原稿種別: 本文
1982 年320 巻 p. 36-44
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_36

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二次元弾性問題を対象とした境界要素法における間接法と直接法について

平居孝之

原稿種別: 本文
1982 年320 巻 p. 45-55
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_45

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Not a few studies on Boundary Element Method have been reported to get the numerical solutions of elasticity problems. There are two kinds of Boundary Element Method named Indirect Method and Direct Method which based on each foundamental formula leaded from the superposition of principal solutions and the boundary integral equation respectively. In this paper the analytical formulas are presented for the integral values of the two dimensional elasticity principal solution along the boundary element on which the traction distributes constantly and the displacement distributes linearly. Some Indirect and Direct Boundary Element Method programs for two dimensional elasticity problems, using the analytical formulas presented, are proposed and the usefulness of the method is examined by solving some representative problems. The very accurate solution might be resulted by Direct Boundary Element Method using the element on which the displacement distributes by a dimension higher than the traction. Concerning with the proposed Direct Boundary Element Method, on which boundary element the displacement is linear and the traction is constant, solutions with reasonable precision are calculated on several problems but sometimes considerable errors in the results are indicated on the problems which boundary conditions are given by the traction and the displacement together. All the solutions calculated by proposed Indirect Boundary Element Method on the analytical model on which enough number of boundary elements created have the gratifying exactitude.

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高温度における高力ボルト材の力学的性質 : その 2 高温リラクセーション性状について

小久保勲, 田中淳夫, 古村福次郎, 安部武雄

原稿種別: 本文
1982 年320 巻 p. 56-63
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_56

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The relaxation characteristics of high strength bolt under high temperatures and the correlation between creep and relaxation are discussed in this paper. In this relaxation test, two types of specimens of the same ones as used in the case of creep test described in Part 1 were used. The property of bolt was F 10 T, and the initial strain was of 3000μ, 4000μand 5000μ corresponding to the range of the initial tension of high strength bolts. Under the conditions that the heating temperatures ranged from 300℃ to 500℃ with pitches of 50℃, and the measuring time was 6 hours. As a result, it was found that an exponential approximate expression in which temperature, stress and time are variables was used as the experimental equation concerning the relaxation. This expression was confirmed that it can agree with the experimental values with considerably good accuracy. The correlation between creep and relaxation was examined. When estimating the value of relaxation by using the creep experimental equation, both the stain hardening theory and the time hardening theory were examined as the creep law with the results that it was found the former could provide better agreement.

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砂レキの体積圧縮に関する実験的研究 : 第 1 報試験試料の性質他

松浦誠, 芳賀保夫

原稿種別: 本文
1982 年320 巻 p. 64-72
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_64

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第1報においては試験に用いた試料の性質, 圧縮試験結果の一般的性質について述べた。圧縮試験の各段階についての詳細な解析, 検討については次報に述べる。

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マサ地盤の圧縮性に関する研究 : 第 II 報圧密試験機を用いた拘束圧縮試験

松浦誠, 西村光正

原稿種別: 本文
1982 年320 巻 p. 73-80
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_73

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To clarify the compressibility of Masa-do, it is necessary to test undisturbed samples. In this paper, Masa-do is tested by confined compression tests on the undisturbed samples. The compressibility is closely related to initial void ratio. The results of the tests are summarized as follows : (1) The compression curve plotted in an e-log p coordinate system is discribed in a wholly smooth convex curve and in this curve precompression load is not obtained. (2) The relation between the reduction of void ratio and the load in semi-logarithmic coordinate diagram indicates an approximately straight line, from which it is possible to obtain an e-log p curve. (3) It is possible to predict the settlement by the two straight lines (C_c and C_c^') bent at the point of p=1.0 kgf/(cm)^2 in the e-log p curve. (4) Creep settlement can approximate a straight line between 8 seconds and 15 minutes, and the ratio of the creep settlement to the total settlement is about 20 percent. Viscosity parameter is related to the initial void ratio but independent of the loading stage. (5) Plotting the measured creep settlement for 100 days' period of logarithmic time indicates a slightly concave curve, which gives the safety settlement against the straight line up to the 15 mimutes and the samples with high initial void ratio show a tendency to safety. (6) Several of the samples are divided into two specimen and they are tested under saturated and unsaturated conditions and there is no significant difference between the former and the latter.

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やや硬質な地盤における正方形基礎の Dynamical Ground Compliance : その 2 成層構造の地盤モデルに基づく検討

瀬戸川葆

原稿種別: 本文
1982 年320 巻 p. 81-90
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_81

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以上の検討結果及び考察を要約すると, 次のとおりである。(1)前報の実験によるDGCのデータについて, 実験及び理論による対比の条件として, さらに, 有効な周波数範囲の実験値DGCの設定及び理論による成層地盤のDGCの解析を考慮し検討を行った。(2)5層の成層地盤に近似した理論値DGCと実験値DGCの比較によると, 水平加振及び上下加振のDGCについては, 半無限一様地盤の理論値DGCと比べ良い対応を示す傾向がみられた。これは, 成層構造の硬質地盤の動特性を評価する場合, 考慮すべき条件であることを示している。(3)起振機試験時の「地盤の等価横波速度」は有用な指標であり, 本論文では成層地盤の場合の等価横波速度の具体的な評価の方法を示した。(4)X, Y, Z基礎の場合の検討結果によると, 基礎の寸法が大きくなるにつれて地盤の等価横波速度が大きくなっている。これは成層地盤における基礎の寸法効果を現わしているもので, 基礎地盤の動特性の大きな特徴である。本論文では, その実験的根拠を示したことで, 設計に寸法効果を考慮することは可能と考えられる。

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濃尾平野の長・短周期微動特性 (5) : 三角点同時観測による長周期微動の伝播性の解析

多賀直恒, 富樫豊, 宮崎正

原稿種別: 本文
1982 年320 巻 p. 91-101
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_91

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Microseisms observed on soil deposite in the Nohbi plain, are likely to contain both source properties of sea waves and natural vibration of soil layers. Therefore, it is indispensable to distinct these two characteristics for applying the microseisms to engineering use. The propagation of microseismic waves is observed by a tripartite method in four sites with quite different layer thickness of deposits on a base rock. A wave analysis of observed record is carried out by a cross correlation method, and spectral structure, dispersion properties and wave types are discussed from the wave propagation view point. Important results obtained are as follows. 1. Typical spectral pattern is of two-peaked form under the frequency of 1.0 Hz. 2. Predominant frequency peak in lower range is different in each site and has not any considerable propagating characteristics. 3. Peak of higher frequency shows the remarkable properties of the propagation in three sites on soil deposits. 4. It is concluded that the lower one corresponds the thickness of deeper deposits in the plain and the higher one seems to be dependent on the source properties of sea waves.

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建物建設に伴う風環境変化の影響に関する研究 : その 2 風害実態調査対象地区に関する風洞模型実験

池田耕一, 吉沢晋, 中野正孝

原稿種別: 本文
1982 年320 巻 p. 102-107
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_102

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By conducting the questionnaire surveys among the inhabitants around high-rise buildings, we had already obtained the fact that the incidence ratios of wind environmental problems are highest at the zones nearest to the buildings. In this paper we report the results of the wind tunnel experiment which was made concerning the air flow around the scaled model of one of the surveyed areas to confirm our new hypothesis, "Ratios of wind environmental problems at the zone near to high-rise building become high because the wind speed at that zone is affected strongly by the construction of the building, and then the high wind speed increasing ratios are apt to appear". The conclusions are as follows; (1) Wind speed increasing areas where wind speed increase more than 10% by construction of buiding are apt to appear within the distance from the 2 times height of the building and seldom appear at the region farther than that distance; (2) Wind environmental problems are apt to take place at the wind speed increasing areas; (3) Distribution curves of the wind speed increasing ratios are almost similar to that of the wind problem incidence ratios.

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環境場設定の Space Modular Co-ordination Chart : その 2 実用化への考察

尾島俊雄

原稿種別: 本文
1982 年320 巻 p. 108-115
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_108

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This report having 4 case studies shows the practical use about the Space Modular Co-ordination Chart. (1) Fig.2-1 shows the mutual relation of the subject (inner environment human body) and the environment. In 1980, the biggest computer in the world has 5.1×(10)^8 bit memory capacity, this capacity is just same as one of human being. But this capacity is very small to understanding the outer environment. Therefor we must divide the environment, and need the corresponding scale. For example, making the simulation model and the other approach system that the preliminary approach is correspond to Field, the secondary, to Mesh, the third to Pixcel. (2) In the next case study, making the global mesh data, Fig.2-2 shows H(5-5) World LAND USE MAP (500km Mesh). From this map, we just look the land use of the world, and can use it for the simulation study of the world air stream and etc. Fig.2-3 is H(4-1) JAPAN wood energy stock model (10km Mesh), Fig.2-4 is H(2-4) KANTO-TOKYO DISTRICT LAND USE MAP (500m Mesh) and Fig.2-5 shows H(1-1)〜H(6-1) Models that is remote sensing and earth surface relation. These models are used for several simulation studies. (3) Especially when we use remote sensing technique, this space Modular Co-ordination Chart is very significant. The higher viewpoint from the earth surface, is equivalent to the larger environmental field. Fig.2-6, 2-7 show the viewpoint (measurement field, mesh and pixel), from LANDSAT, Aircraft and etc. If the visual angle of remote sensing machine is the same, its distance is in proportion to measurement field. Therefor its high level shows model Index that is Fig.2-8. For example, Remote Sensing from outer space is the very nice for measurement of urban area. (4) Last case study, Fig.2-9 shows the measurement cycle for instrument and human senser. Fig.2-10 shows the several wave length and frequency for measurement of each environment field.

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都市居住者と訪問者の環境認知に関する比較考察 : 都市空間の認知・評価に関する研究その 2

中田裕久, 土肥博至

原稿種別: 本文
1982 年320 巻 p. 116-125
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_116

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[Object and Method] In this study we discuss about the differences between urban resident's and visitor's cognitive style. We selected 61 residents and 20 visitors, controlling for characteristics of age, sex, residential places and socio-economic background. Through the verbal interviews we asked them the following questions; 1) Do you know the places presented in the map? 2) Have you been at the places presented in the map? 3) Do you know the places presented in the photographs? [Result] 1) Residents know the urban space in detail, while visitors know only main streets and the central commercial district. This result suggests that visitors have previously urban spatial informations based on prior experiences with similar environment. So they easily recognize the major structure of the urban space (main streets, public facilities, C.B.D. etc.). 2) Residents tend to recognize the minor structure in the district close to their residences and the major structure away from their homes. 3) People of more experiences in their urban space get more spatial cognition. Visitors have this tendancy strongly. 4) Places of more people's visit get better recognition. 5) Concerning visitor's cognitive style in a certain urban space, the more places he knows, the more correctly he discriminates them through photographs, but this tendancy cannot be seen in the case of resident's.

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地場産業地域における工場跡地を核とした市街地の変容過程に関する研究 : その 1 川口市の住工混在地帯における工場跡地の利用形態について

金英厦, 石崎庸一

原稿種別: 本文
1982 年320 巻 p. 126-135
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_126

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We study the trends of re-utilization of ruined sites of casting factories which had being located in residential and industrial mixed areas and also study their influence on city space form. We investigated the transformation of re-utilization of the area which was ruined due to do the decrease of the casting factories from 1959 to 1980 within the old KAWAGUCHI CITY, using 250 meter mesh map. In view of the results so far achieved, the casting factories have decreased in KAWAGUCHI CITY rapidly from 1975 and the ruined sites are mainly re-utilized to new housing.

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伝統的町並みの道路を軸とした空間構成とその現代的意味 : 町並み保全の意味と方法に関する一考察

福川裕一

原稿種別: 本文
1982 年320 巻 p. 136-145
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_136

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What value can we find out in the historic quarters? And how to conserve them? It is difficult to say that we have all the answeres to this question in the context of modern cities. This report deals with the problem from the view point of urban planning, especially how to coordinate individual buildings and their agglomeration, in the case of NARA and KAWAGOE, typical historic towns composed of traditional town houses, machiyas. Analising the two cases with different types of machiyas, it is ascertained that some principles of the form which the individual machiyas have in common enable them to share the limited environmental conditions as much as possible even in the agglomeration of high density. Particularly the principles cooperating closely, in NARA two kinds of zones are formed over individual units on the axis of a road symmetrically; the building zone and the back courtyard zone. In KAWAGOE the former is divided into the shop zone and the residential zone with side courtyards. Forming these zones the courtyards surely guarantee much more environmental conditions than locating at random. By this self-controlled system the historic quarters have an ideal relationship between buildings and their agglomeration. This might be one of the values of the historic quarters in our age, when urban spaces are in a state of confusion. And by the means of making a rule following the zones inherited, we can keep the order of historic towns which are being confused.

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弘御所について

川本重雄

原稿種別: 本文
1982 年320 巻 p. 146-152
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_146

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高温度における構造用鋼材の第一期曲げクリープ (梗概)

藤本盛久, 古村福次郎, 上杉英樹, 安部武雄

原稿種別: 本文
1982 年320 巻 p. 153-161
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_153

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SI 単位の換算率表

原稿種別: 付録等
1982 年320 巻 p. App1-
発行日: 1982/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.320.0_App1

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