日本建築学会論文報告集

表紙

原稿種別: 表紙
1979 年 283 巻 p. Cover1-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_Cover1

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目次

原稿種別: 表紙
1979 年 283 巻 p. Cover2-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_Cover2

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SI単位の換算率表

原稿種別: 付録等
1979 年 283 巻 p. App1-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_App1

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CONTENTS

原稿種別: 目次
1979 年 283 巻 p. Toc1-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_Toc1

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奥付

原稿種別: 付録等
1979 年 283 巻 p. App2-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_App2

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泥水固化工法における配合と固化物の物性に関する研究

増澤鯱男

原稿種別: 本文
1979 年 283 巻 p. 1-10
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_1

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The writer has developed a quite new construction technique of PC diaphragm wall so as to maintain high accuracy of PC wall in construction. The sequence of the construction of the PC diaphragm wall by newly developed method is as follows : 1. Excavating trench using normal fluid mud. 2. Setting of PC panels in the trench filled with bentonite slurry. 3. Adding water glass first and then cement paste in slurry, carrying out air agitation against slurry through the nozzels mounted on the end of the pipes installed in the PC panels. Slurry mixed with water grass and cement paste becomes hard clayey substance in uniform quality with high impermeability as time elapses. This paper describes factors which affect the strength of the aforesaid substance and physical property of the substance.

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コンクリート中の鉄筋の腐食に関する研究 : その 1 コンクリートの中性化深さが鉄筋腐食に及ぼす影響について

岸谷孝一, 樫野紀元

原稿種別: 本文
1979 年 283 巻 p. 11-16
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_11

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Outdoor exposure tests and accelerated carbonation tests were conducted with the aim of ascertaining the limit of the depth at which corrosion of reinforcing steel will occur from the viewpoinit of pH gradient formed from the concrete surface accompanying the phenomenon of carbonation of concrete. Experiments were simultaneously carried out to confirm the influences of initial conditions and environmental conditions on corrosion of reinforcing steel. As a result, the following were clarified : 1. The phenolphthalein method, when using ordinary materials and under ordinary environment, is amply useful for judging limit of depth at which corrosion of reinforcing steel will occur due to carbonation. 2. The abovementioned limit seen from carbonotion is thought to be at 6 to 8mm deeper than the depth of carbonation measured by the phenolphthalein method. When chlorides are contained, it is thought the limit is 10mm farther inside. 3. Rust inhibitors used in suitable amounts for chloride content of the degree resulting from use of marine sand may be expected to provide rust preventive effects. 4. Even though slight corrosion may occur initially, the corrosion will be inhibited from progressing depending on lowering of humdity and the finishing material selected.

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コンクリートの高温多軸クリープの研究 : その 4 常温三軸圧縮クリープの供試体寸法の影響

大岸佐吉, 和田光生

原稿種別: 本文
1979 年 283 巻 p. 17-25
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_17

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鉄筋コンクリート床版の非線形解析

上田正生, 土橋由造

原稿種別: 本文
1979 年 283 巻 p. 26-36
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_26

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This report is concerned with a material nonlinear analysis of reinforced concrete slabs by the mixed finite element method as an application of the initial stress method, taking advantage of laminated elements. Introduced into this method are (1) the nonlinear stress-strain matrices proposed by Kupfer et al. for biaxial state of stresses and (2) an elasto-plastic stress-strain relationship assumed to hold only within biaxial compressive range. Herein discussions are made on the effects of failure conditions of concrete and on such process of transition of the resulting solution as is idealized by a stress intensity reduction curve taking account of the tension stiffening effect. Subsequently the adequacy of the adopted procedure is well substantiated by the comparison among the present solution, previous solutions by some other workers, and the test results obtained by them in a few and those by the authors in more varied cases of supporting conditions of slabs.

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3 次元薄層要素法による相互作用の解析 (梗概)(Part 3)

桑折能彦, 山本鎮男, 清水信行

原稿種別: 本文
1979 年 283 巻 p. 37-48
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_37

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Computational results of soil-structure interaction problems are studied by using Thin Layer Element Method (Semi-analytical Finite Element Method) in the cylindrical coordinates.

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鋼構造筋違付多層骨組の塑性設計に関する研究 : その 4 筋違付骨組の地震荷重係数について

井上一朗, 永田匡宏

原稿種別: 本文
1979 年 283 巻 p. 49-57
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_49

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Due to the degrading restoring force characteristics of a bracing member, decrease in ultimate strength and ncrease in displacement response of braced frames subjected to severe earthquake are recognized. Inelastic behavior of braced frames under the seismic loads depends directly on the slenderness ratio of a bracing member (λ) and the ratio of story shear force shared by bracings to total shear force (β). To avoid excessive plastic drift, it is necessary to take the degrading restoring force characteristics of a bracing member into account in the process of designing. This paper describes a procedure to estimate the seismic design load factor as a function of λ and β, and to design strong column-weak beam braced frames.

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鋼構造物の耐震安全性について (4) : 低層偏在筋違付ラーメン架構を対象として

山田稔, 河村広

原稿種別: 本文
1979 年 283 巻 p. 58-67
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_58

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Continuing to the preceding paper (III), in which the aseismic capacity of steel structures composed of rigid frames with symmetric braces were discussed on, the purpose of this paper is to make clear the aseismic capacity of steel structures with asymmetric braces in plan from the point of view of technology. First, steel structures with asymmetric braces are divided into two types, i.e. torsional rigid and flexible ones. Successively, based on the fundamental idea of the steady-state resonance of torsional vibration as an ultimate state, analytical procedures to obtain the resonance-fatigue characteristics of torsional flexible type steel structures with asymmetric braces are presented. Finally, evaluation criteria and procedures of the aseismic capacity and safety of such structures are proposed.

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統計的等価線形化法による弾塑性構造物の振動解析

曽田五月也, 谷資信

原稿種別: 本文
1979 年 283 巻 p. 68-75
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_68

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In the statistical analysis of dynamic behaviour of elastic-plastic structures, Equivalent Linearization Method is very useful and practical because of the simplicity of its theory. But the method loses the accuracy as the structure becomes to show large deflection and strong non-linearity. In this paper, the cause of the loss of the accuracy is examined and the method is modified to be applicable to the analysis of strong non-linear structures. The cause of the loss of the accuracy is assumed to be the loss of the stability of the displacement hysteresis which is attended with an unstable fluctuation of the center of oscillation. The shift of the center of oscillation is calculated based on the assumption that the running average of the external force in one cycle is not zero and the work done by this average force is transfered into the added plastic deformation in one way. Non-stationary RMS response to the stationary and non-stationary white noise is calculated by digital simulation and by author's method. It is shown that both results coinside fairly well each other and that a little diffierence of the spectral characteristics of the excitation in the long period region causes no small difference of the displacement response.

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任意母線縁境界をもつ円筒網目シェル屋根の全体座屈解析 : その 2 一様外圧下における座屈性状

粉川牧

原稿種別: 本文
1979 年 283 巻 p. 76-86
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_76

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In this paper, based on the analytical method developed in the previous paper, the general buckling (symmetric buckling or antisymmetric bifurcation buckling with respect to the longitudinal center line) behaviours of C.R.S.R. with simply supported ends, subjected to external pressure, were studied numerically introducing Classical Buckling Pressure (the critical hydrostatic pressure of the full Reticulated Cylindrical Shells), under various (1) reticular parameters, (2) generator edges, (3) shell geometries. In the §2, the author investigated the general buckling behaviours of C.R.S.R. in the range of (1) γ=ζ=0.5, α=60°, that to say isotropic, (2) pinned, simply supported, free edges, (3) μ_h=100〜300, β=1, 1/1.5, 0.5. In the §3, the author investigated the general buckling of three types of orthotropic C.R.S.R. In the §4, the analytical values were compared with experimental values in the case of isotropic with free, fixed genera-tor edges.

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直射日光利用の昼光照明の計画とエネルギー評価に関する研究 : その 1 外側反射ルーバーの効果について

宿谷昌則, 木村建一

原稿種別: 本文
1979 年 283 巻 p. 87-97
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_87

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室内相互放射を考慮した多数室室温変動の基礎式 : 3 報各種インディシャル応答と基礎式

秋岡実則

原稿種別: 本文
1979 年 283 巻 p. 98-105
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_98

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In this paper, first, are pointed out miscellaneous indicial responses, being found on the theoretical results of Part 2. And next, the basic equations in which the unknown rooms' temperature are variables, of transient room temperature for multi-room are developed. And the equations of surface temperature are indicated.

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地域冷暖房の配管計画法に関する研究 : その 2 短期負荷変動と配管計画 (2)

金島正治, 早川一也

原稿種別: 本文
1979 年 283 巻 p. 106-110
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_106

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Thermal load of District Cooling and Heating was considered as the normal distribution curve. Then the series network of the distribution pipe with various numbers of node and two patterns of the distribution pipe with 26 nodes were selected to simulate the total friction loss of the piping network. Cosequently the concept of the diversity factor of the piping network was obtained and the proper thermal load of the piping network was gotten in considering the fluctuating thermal load to simulate the relation between the thermal load of each building and the total friction loss of the piping network by Monte-Carlo method. So the calculating method of the proper thermal load to decide the pipe diameter and the deciding method of the total friction loss for the selection of a pump were obtained.

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建築空間における歩行のためのシミュレーションモデルの研究 : その 1 磁気モデルの応用による歩行モデル

岡崎甚幸

原稿種別: 本文
1979 年 283 巻 p. 111-119
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_111

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活動等高線についての基礎研究 : R (Ridge) の 3 次元化への拡張とその応用手法について : その 1 論理設定段階

芦川智

原稿種別: 本文
1979 年 283 巻 p. 120-125
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_120

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This paper is depend upon the fundamental study of "Activity Contour". In this report, "R^f" is defined from the viewpoint of the quality of water flowing on the curved surface of activity contour. "R^f" is the structural concept of ordinary contour surface. The concept of "R^f" is stand on the concept of "R" (Ridge) which is the structural concept of closed curve. In this report, as part 1, the definition of "R^f" is explained as the extension to three dimensional space of the concept of "R".

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都市化度集落 (地区) 分級にもとづく近郊農村土地利用計画の手法 : 新潟県亀田郷の場合

青木志郎, 山森芳郎

原稿種別: 本文
1979 年 283 巻 p. 126-132
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_126

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市街地の拡大など, 都市を中心とした地域変動, すなわち「都市化」の進行状況の分析を通じて, 近郊農村における地域構造の再編過程を解明することができる。ここではその地域分析の手法をさらに発展させ, 再編地域構造の地域特性を整理し, 問題が多い近郊農村における土地利用の計画的選択の指針を確立する手順を提示していきたい。

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室町期上京土御門四丁町の形態と構造

高橋康夫

原稿種別: 本文
1979 年 283 巻 p. 133-141
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_133

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Contents are mainly classified by three items as follows : 1. How to reproduce spatial form of Tsuchimikado-Square. 2. Spatial form, site planning and Inhabitants of Tschimikado-Square in the fourth year of Hotoku (A.D. 1452). 3. A consideration on spatial structure of Tsuchimikado-Square.

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八幡造の源流と従来説への疑問 : 八幡造の祖形と源流と変遷, その 4

太田静六

原稿種別: 本文
1979 年 283 巻 p. 142-149
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_142

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I proved that the origin Hachiman-zukuri may be trace to an ancient dwelling house.

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不燃建物の風下側における木造家屋の延焼速度に関する研究

斉藤雄一, 堀内三郎

原稿種別: 本文
1979 年 283 巻 p. 150-159
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_150

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We made a research on the fire spreading speed of wooden houses in the downwind eddy behind a fire-resistant building. This report runs as follows : -(1) Eddy areas were observed carefully, and a reattachment point were obtained in connection with the aspect ratio of the building. The reattachment point is the downwind limit of the eddy. (2) Distributions of the wind velocity in the eddy were searched. Its maximum value appears in the middle point between the building front and the reattachment point. (3) The relations between V_∞ and V_i were investigated in the wind tunnel. V_∞ means the velocity of wind which blows in the sky higher than the building and is free from the influence of it. V_i is that of the inverse flow in the downwind eddy behind the building. A formula combining V_∞ and V_i was obtained. (4) The buring tests were made in following two ways A & B. A : fire spreading speed from the ignited crib to the adjacent downwind crib. B : fire spreading speed from the adjacent crib to the further adjacent crib. Each case of A & B was done with 3 scaled cribs (i.e. 1/200, 1/100, 1/80 of full scale). (5) The relationships of experimental fire spreading speed in regard to above mentioned 3 scales were obtained by the method of least square. (6) The relationships of (5) were extended to scale 1/1 (full size) by exrtrapolation. Comparing the results gotten by extrapolation wite those by an actual fire spreading speed formula (for instance, Hamada's formula) using V_i instead of V_∞, the former proved to be about 50% of the latter. (7) The fire spreading formula obtained from the above results was applied to actual fires, and the obtained values were compared with the actual values of the fire data. They proved to be approximately equal. Conclusion : The fire spreading speed of wooden houses in the downwind eddy behind a fire-resistant building are scarcely about 50% of ones by another fire spreading formula, using inverse wind velocity V_i instead of fair wind V_∞.

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「防災避難計画の評価に関する研究その 2 超高層住宅の設計における防煙の考え方の一例」に対する討論

辻本誠

原稿種別: 本文
1979 年 283 巻 p. 160-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_160

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辻本誠氏の討論に対する回答

若山滋, 高塚良彦, 岩崎忍

原稿種別: 本文
1979 年 283 巻 p. 161-
発行日: 1979/09/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.283.0_161

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