日本建築学会論文報告集

表紙

原稿種別: 表紙
1979 年281 巻 p. Cover1-
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_Cover1

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目次

原稿種別: 表紙
1979 年281 巻 p. Cover2-
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_Cover2

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SI 単位の換算率表

原稿種別: 付録等
1979 年281 巻 p. App1-
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_App1

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CONTENTS

原稿種別: 目次
1979 年281 巻 p. Toc1-
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_Toc1

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奥付

原稿種別: 付録等
1979 年281 巻 p. App2-
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_App2

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PC 部材を用いた住宅生産システムの経営工学的調査研究 : その 2 中高層 PC 住宅生産の現場作業に関する工数分析

椎野潤

原稿種別: 本文
1979 年281 巻 p. 1-7
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_1

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This paper describes statistic analysis of manpower of separate works for construction of prefabricated apartment houses of three to five stories, based on the daily reports of project. Major thirteen works, excluding plumbing, airconditioning and electric supply, of twenty-five projects were investigated, and the results obtained are as follows : (1) Linear relationship between manpower and the total floor area was observed. (2) A statistical linear model was established, and an accurate estimation formula was obtained for predicting manpower of separate works for foundation and erection of precast concrete pannels by employing the concrete volume of foundation, the number of precast concrete pannels and the total floor area as decision variables. (3) From this formula, a nomograph which enables predicting manpower required for foundation and erection of pannels from insufficient information obtained at the stage of expecting an order was drawn.

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コンクリート打込み後の温度変化に関する研究 : 第 4 報平版状部材の等価時間定数

長島弘

原稿種別: 本文
1979 年281 巻 p. 9-20
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_9

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a) 各材令までに得られる積算温度基準にとった単位セメント量300kg/m^3打込時コンクリート温度10℃では, 部材厚とΣKからFig.4の下半によって等価時間定数を求め, Fig.4上半により積算温度を推定する。打込温度, 単位セメント量による補正は, 第2報Fig.10と同じ補正係数を用いて推定して良い。保温材非対称配置部材では, 等価熱損失係数総和を2K′=K_1+K_2として等価時間定数を求めれば良いが, 部材厚が80cm以上では2K′=K_n(但しK_nはK_1, K_2の大きい方)とした方が安全である。b) 部材表面が0℃に冷えるまでに得られる表面の積算温度と, その材令の部材の平均積算温度 (1) 基準にとった単位セメント量300kg/m^3, 打込時コンクリート温度10℃の場合について, 得られる積算温度が, 10°D・D以上である事を, 予めFig.12でΣK=K_1+K_2によりチェックしておく(M<10°D・Dとなる条件の場合には, 推定誤差が大きくなる事と, コンクリート打込み後約10時間以内で表面が0℃以下となる危険な養生方法なので, 避けるべきである)。(2) 熱損失係数総合ΣKのとり方保温材対称配置部材 : ΣK=2K_1…(15) 保温材非対称配置部材 : i) ΣK=K_1+K_2がFig.11のカーブより小さい場合(安全側にK_1+K_2<10kcal/m^2・h・℃となる場合と簡略化して扱っても良い)ΣK=K_1+K_2…(16) ii) 前記以外の冷却し易い条件では, K_1, K_2の大きい方をK_nとすれば次式による。ΣK=2K′=2K_n (3) 積算温度の推定方法単位セメント量300kg/m^3で打込温度10℃のコンクリートについて部材表面が0℃になるまでの積算温度推定用の, 等価時間定数は, 部材表面についてはFig.5の下半により同材令の平均値についてはFig.6の下半により, Fig.16の下半に合成した。また, 等価時間定数と部材表面が0℃に冷えるまでに得られる積算温度の関係を, 一定気温の場合をFig.6の上半により, 変化気温の場合をFig.8により, Fig.Fig.16の上半に合成した。ΣK=K_1+K_2の値が, Fig.11のカーブ以上となる場合には, ΣKは2K′=2K_nとする。そのΣKをFig.16の下半左側縦軸により, 右に進んで該当する部材厚さの線(部材表面の積算温度の推定では実線, 同材令の部材平均積算温度の推定では破線)との交点から上に進み, 該当する気温カーブ(気温日較差も考慮して)との交点を求める。その交点の左側の縦軸の値が, 基準条件の積算温度推定値になる。上記の推定の際に用いた等価時間定数τ′を用いて, 打込温度が10℃と異る場合にはFig.14により, 単位セメント量が300kg/m^3と異る場合にはFig.15により補正係数を求めて, 基準値との差を乗じて補正値とし, 上記の基準条件による積算温度の推定値を補正して, 与えられた条件による積算温度の推定値とする。この推定方法による推定誤差は, 頭初は±10°D・D程度を目標としていたが, Fig.16による推定で気温が0℃より高い場合には, 可成り安全側になる筈である。またFig.16による推定で, Fig.12に該当する条件(簡単にはΣK>10kcal/m^2・h・℃で, コンクリート平板の1面を露出させた場合に相当する)では, 推定値が危険側になる場合があり得る。

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回転シェルの非線形運動方程式 : 回転シェルの非線形振動第 1 報

皆川洋一

原稿種別: 本文
1979 年281 巻 p. 21-30
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_21

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Considering the finite deformation theory, the nonlinear equations of motion which govern shells of revolution are derived. As there are some cases where the Donnell equation can not be applied, the finite element method is applied to shells of revolution. The obtained nonlinear equations of motion have many unkowns, and are not expressed by normal modes. If the modal analysis procedure is applied to the equations of motion, which is equivalent to the Galerkin method, they are transformed into the equtions of motion expressed by normal modes of which degrees of freedom are selected arbitrary. In the process we can make clear the mechanism of the coupling way in nonlinear spring terms caused by the coupling of different harmonic numbers in the circumferential directions. Considering the mechanism we can forcast whether there is a nonlinear term in a system or not. So we can show the form of nonlinear equations of motion for the system.

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台風災害におよぼす局所地形の影響に関する研究 (II) : 1975 年台風 13 号による八丈島の風害について : その 2 数量化分析 I 類

羽倉弘人, 小泉俊雄, 若月学

原稿種別: 本文
1979 年281 巻 p. 31-39
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_31

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In part 1, we certified that it is useful to use aerial photos to investigate damage distribution of houses hit by a storm. In the former report, we induced regression equation, which can approximately estimate a damage ratio of the houses hit by a storm, by means of multiple regression analysis with combination of some topographical factors. Then we made clear the effects of every factor with residual analysis of which manner was to analyse the discrepancy of real damages and evaluated results. From the results, we found out that so long as to discuss the effects of topographical factors on damages of houses hit by a storm, there were some particular points which may be influenced by more local factors, such as hill, slope, foot of mountain. Those were too difficult to incorporate into the analysis numericaly. Thus, in this paper, we analysed the effects of every topographical factor by means of the combination of regression equation deviced from both quantification analysis and residual analysis. Where, quantification analysis is the method to be able to analyse the effects of every factor without estimate them numerically. By this way, we found out that it is necessary to take account of more limited factors than we chose in our former paper. In conclusion, we proposed a new manner to analyse the relationships between topographical factors and damages of houses hit by a storm.

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地盤の破壊を考慮した杭の水平抵抗

岸田英明, 中井正一

原稿種別: 本文
1979 年281 巻 p. 41-55
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_41

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床鋼板つきコンクリートスラブに埋込まれたスタッドコネクタの押抜試験

平野道勝, 穂積秀雄, 吉川精夫, 友永久雄

原稿種別: 本文
1979 年281 巻 p. 57-69
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_57

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In Japan, Steel beams and concrete slabs with cellular steel decks are often combined as illustrated in Fig. 1 (a). A series of studies on composite beams of this type was undertaken by A.I.J. Steel Structure Committee. As part of the stubies, authors started to investigate the shear strength and behavior of stud connectors embedded in a composite beam with or without ecllular steel decks. Other than the above, the study had a purpose to examine the behavior of connectors embedded in a composite beam subjected to positive or alternating bending moment. As a result, new loading systems were invented as shown in Fig.5. Fifty-one push-out specimens were tested during this investipation. These specimens were named as illustrated in Table 1 and the details of some specimens are shown in Fig.3. Properties of slab concrete and connector steel are given in Table 4 and Table 5. Ultimate load per shear connector of each push-out specimen is as listed in Table 6. The following conclusions were drawn from the study : 1. The shear strength of stud connectors of P-N type specimens agreed with Fisher's Equation (2). 2. The shear strength of P-T type specimens can be expressed as Equation (4). 3. The ultimate load of P-DJ specimens was higher than that of P-N specimens, whether or not cellular steel decks are connected with a steel beam. 4. The shear strength of all specimen subjected to T-Loading was lower than that subjected to P-Loading. 5. There were no difference between the test results of DJS type specimens and those of DJC type specimens.

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H 形鋼柱の局部座屈後の変形性状 : その 1 実験計画および実験結果

牧野稔, 松井千秋, 三谷勲

原稿種別: 本文
1979 年281 巻 p. 71-80
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_71

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In order to clarify post local buckling behavior and plastic rotation capacity of steel beam-columns, cantilever steel beam-columns of H shape cross section were tested under constant vertical load and alternating horizontal load. The test program was composed of two series; fifty nine specimens of Series I tested at large amplitude of plastic deflection, and thirty three specimens of Series II tested at small plastic amplitude. Main parameters involved in the tests were the width-to-thickness ratios of the flange b/f (2b, f : width and thickness of a flange, respetively), ones of the web D/w (D : depth of a cross section, w : thickness of a web), axial load ratios n (P/P_y, P : a constant vertical load of a specimen, P_y : axial yield load of a specimen), and material pro perties of the steel (mild steel and high strength steel). Values of the parameters b/f, D/w, n are as follows : b/f=6〜16 D/w=17〜65 n=0, 0.3, 0.6 In this paper, the test program and test results are reported. Some observation from the test results are as follows : 1) Not only width-to-thickness ratio of the flange but also one of the web and axial load ratio influence on the post local buckling behavior of the steel beam-columns. 2) Not only with axial load but also without axial load, the members subjected to alternating bending shrink due to unbalance of axial load carrying capacities of the buckled flanges.

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定軸力のもとで単調せん断力を受けるコンクリート充てん角形鋼管柱に関する実験的研究 (梗概)

富井政英, 崎野健治

原稿種別: 本文
1979 年281 巻 p. 81-92
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_81

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大空間の天井ふく射暖房における発熱量分布の最適設計に関する研究

宮川保之

原稿種別: 本文
1979 年281 巻 p. 93-100
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_93

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This paper reports on mathematical optimum design for the arrangement and heat distribution of radiant heating panels which hitherto had been handled only empirically. The Lagrange Method and SUMT were used as nonlinear optimization techniques. In case of Lagrange Method inequality constraints were eliminated by considering heat distribution patterns, and in case of SUMT equality constraints were eliminated by elimination of behavior variables using matrix method. Furthermore the approximation method of gradient vector was also proposed. It was turned out clear that the values of objective function which signified the sum of square of deviation of environmental index temperature to its designed values could be brought nearly to zero, if the heat distribution of devided zones of ceiling was freely controlled. However in case of the uniform heat distribution of radiant heating panels or grouping of panels, the values of objective function increased if the panels were not arranged in good condition. Furthermore it could be recognized that the optimum heating load were lessened as the area of radiant heating panels was larger.

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冬期における外周壁体内の温湿度調査

小松幸夫, 加藤裕久

原稿種別: 本文
1979 年281 巻 p. 101-107
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_101

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現在のプレファブ住宅に一般的な, 軽量形鋼を壁体内に密閉した状態で骨組として使用する構法は, 壁体内部の外気に対する密閉性の故に降雨等の影響が少なく, 鉄骨の発錆に対しては安全であると考えられてきた。今回の調査結果からは, 従来の考え方を裏付ける面も一部に見られたが, 一方では浴室部分などでは何らかの原因によって壁体内に湿気が侵入すると, 逆に高湿状態が維持されることになり, 同時に結露の可能性も高くなるために材料の劣化が促進される危険性もあることが確認された。浴室部分と一般部分の比較においては, 浴室部分の相対湿度が高くなる傾向が見られ, 先に行った解体調査において浴室などの水まわり部分の軽量形鋼の発錆が激しいということが見られた点と合わせると, 興味のある結果といえよう。今回の研究にあたり, 内田祥哉東京大学教授ならびに宇野英隆千葉工業大学教授の御指導を得, 特に宇野英隆博士には実際の調査にあたり色々と御骨折りを頂いた。調査活動においては, プレハブ建築協会鉄鋼部会および遠藤佳宏氏をはじめとする千葉工業大学宇野研究室の方々の御協力を頂いた。また, 絶対湿度の計算方法については斎藤平蔵東京大学教授の御教示を得た。ここに記してこれらの方々に深く謝意を表する次第である。

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建物近傍における汚染物拡散に関する実験的研究 (2)

鎌田元康

原稿種別: 本文
1979 年281 巻 p. 109-119
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_109

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Continued from the preceding paper (1), in this paper (2), I report the results of wind tunnel experiments on the effects of model shape, vent height and so forth on gas diffusion near buildings. Results) C_1′and C_b′become uniform as H/Z_o and W/H become greter (Fig.2-2〜5). 2) The effects of change of h_e/H and u_e/U_H on C_m′and C_w′near a model become small as cavity becomes greater (Fig.2-2〜5, 2-14). 3) When the location of vent is on model's leeward surface, especially when Z_e/H is small, C_1′and C_w′near a model are high and don't become low even if h_e/H increases a little (Fig.2-11, 14, 16). 4) When C_u′in the windward side of vent is higher than C_u′in the leeward side of vent, C′_1 doesn't become low even if h_e/H and u_e/U_H become greater (Fig.2-7, 8). 5) When the location of vent is on model's upper surface, judging from all experimental results, C_1′doesn't exceed 1.17 greately in any case. 6) C_w′in the distance from a model is virtually determined by model shape and H/Z_o (Fig.2-14〜16). 7) When the location of vent is on model's upper surface and D/H is not small, C_1′/C^- and C_w′/C^- near a model are virtually determined by model shape and H/Z_o (Fig.2-13, 17). 8) As Fig.2-22 shows, C_b′isopleth changes complicatedly as X_L/H changes.

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事務所建築における空間規模のフレキシビリティーの定義及び試算

岡村幸一郎, 長谷英昭

原稿種別: 本文
1979 年281 巻 p. 121-128
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_121

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住宅地における建築群の空間構成と視空間評価予測に関する研究 : 建築群の空間構成計画に関する研究・その 2

谷口汎邦, 松本直司

原稿種別: 本文
1979 年281 巻 p. 129-137
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_129

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In this study eight typical semantic scales were selected from the semantic dimensions (considered to be useful for meaning in the first section) as an index of measurement. The model was evaluated then, using semantic scales. These results were analysed by multidimensional scaling and large variations in evaluation were observed at the point where D/H=2 in front of building and D/H=1 in the side of building. Further, the physical elements which were strongry connected to visual effects values were selected by factor analysis and the visual effects values estimated. After estimating visual effects values using physical factors by multiple regression, the multiple correlations coefficients were 0.95, 0.92, 0.73 and 0.86 in cases of Closedness, Potency, Unity and Pleasantness respectively. Using the predicting equations, the visual effects values could be calculated in relation to various points of view around buildings and these could be considered in a contour form. This contour form can be considered as an useful asset in the flow planning and positioning of buildings. Further, regression equations were freezed by stepwise regression and two monograms were constructed using Closedness and Pleasantness as indices and this also could be considered as an available planning tool.

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大阪府下都市の再開発発生の要因分析 : 都市の構造と開発に関する基礎的研究その 4

冨永六郎, 本多義明

原稿種別: 本文
1979 年281 巻 p. 139-144
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_139

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This paper attempts to clarify factor of occurrence of redevelopement by using multivariate analysis. Firstly, the actual condition of redevelopement in Osaka region is discribed for preparation of analysis. Secondly, to clarify the relationship between occurrence of redevelopement and urban structure, discriminant analysis is carried out. In addition, effect of redevelopement is discussed.

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プレハブ住宅市場と価格政策 : プレハブ住宅価格に関する研究 2

東樋口護

原稿種別: 本文
1979 年281 巻 p. 145-151
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_145

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In this paper, the market structure and the price policy of prefabricated houses are analyzed as the basic data of users' ecconomical evalution. The summary results are as follow. 1. The prefab-house industry supplies low price houses, but the supply is small in quantity. 2. The industry consists of a few big enterprises and many small ones. And the big five enterprises supply almost 70% of prefab-houses. Now, the tendency of concentration continues. 3. In the prefab-house market, a non-price competition is dominant. Design, material, module, construction systems, etc. differentiate in many ways. 4. The prefab-house industry's competition with the traditional house industry is also non-price competition. And the means of competition are the characteristics such as the big capital, the strong publicity, the intermediation of loan, the intermediation of building land, the short time necessary for completion etc. 5. The pricing of a prefab-house is mainly based on elastic cost plus principle. Market price approach and full-cost principle are adopted by a small number of enterprises.

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フィラレーテの「建築論」に記されたオスペダーレ・マッジョーレとその都市的意味 (梗概)

日高健一郎

原稿種別: 本文
1979 年281 巻 p. 153-161
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_153

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ヴィクトリアン・ゴシック末期の様式論 : その 4 アン女王様式形成における W. E. ネスフィールドの位置

鈴木博之

原稿種別: 本文
1979 年281 巻 p. 163-171
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_163

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It has been pointed out that W.E. Nesfield was a great figure in forming the Queen Anne Revival in the nineteenth century. But he was often regarded as a worse half of Nesfield-Shaw combination. So, as a first step, he must be discussed separately from Shaw. His major works were all country houses. Here was examined below four works. Coombe Abbey, 1861 Cloverley Hall, 1864 Kew Garden's Lodge, 1867 Kimmel Park, 1868 Characteristics of his composition in planning and manner of expression were summarized as follows; 1. Characteristic symmetry in exterior composition. 2. Influence of French style. 3. Influence of Japanese decorative motives. His work was quite unite unique and original, but his career as an architect was rather traditional in comparison with that of R.N. Shaw. Nesfield's originality in form and Shaw's modernity in career were both indespensable to make the "Queen Anne" powerful.

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エンデ・ベックマンによる官庁集中計画の研究 : その 5 建築家及び技術者各論

藤森照信

原稿種別: 本文
1979 年281 巻 p. 173-180
発行日: 1979/07/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.281.0_173

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In 1886 Japanese government employld german architlct Ende & Bockmann, who formed a plan to concentrate government office buildings. This plan was very important urbanism in Meiji Era. The aim of this paper is to make clear process of this project-that is famous but notclear. contents 8 on the architects and technicians.

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