日本建築学会論文報告集

表紙

原稿種別: 表紙
1980 年296 巻 p. Cover1-
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_Cover1

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目次

原稿種別: 表紙
1980 年296 巻 p. Cover2-
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_Cover2

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CONTENTS

原稿種別: 目次
1980 年296 巻 p. Toc1-
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_Toc1

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奥付

原稿種別: 付録等
1980 年296 巻 p. App1-
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_App1

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線形動力学系の数理構成に関する基礎考察 (第一部)

滝沢春男

原稿種別: 本文
1980 年296 巻 p. 1-7
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_1

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以下の4部に亘って展開する本論の特色は, 統一的な視点の設定と議論材料の充実とにあり, 即ち, 必要となる基礎式の全てを2・3章で詳述した一般論の枠内に収めて, それらの具体的な適用が, 後続の特定系に於ける動力学性状の吟味となる構成に拠っている。そこでの定式化対象は, 原義での有理型系に加えて, 慣用の構造減衰(constant Q)モデルに触発されて新たに拡張された, 謂わば"区分的に"有理型となる系であり, 後者の場合に対しては必らずしも明快な内容とはなり得ない事実が確認されたが, 函数論的な特異性に帰属せしめて応答解の構成を把握し, それに振動論的意義を適確に付与する汎用的手法を提示した事になる。又, 解構成を一切不問とし, 総体としての応答性状をVoigt系に等置させる換算操作の導入も, 本論での主眼の一つであり, この系特性の大略的理解に於いて必要となる基礎式の整理を行なった。

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鋼構造部材強度の確率統計論的考察

坂本順, 小浜芳朗, 渡辺雅生, 大宮幸男

原稿種別: 本文
1980 年296 巻 p. 9-17
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_9

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This paper deals with probabilistic strength analysis of steel beams and columns. Analytical method is presented, using basics trength formulate of beam and column which are derived semi-theoretically and adopted as performance functions of beam and column strength. Yield stress of material, residual stress and initial out-of-straightness of steel member are treated as stochastic variables. Analytical expressions of probability density function of beam and column strength are represented. Analytical results are compared with ECCS and SSRC multiple column curves and experimental data of beams.

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高力ボルトを用いたスプリットティ接合部の疲労強度に関する研究 : その 1 : 疲労実験

脇山広三, 平井敬二, 浜田謙二郎

原稿種別: 本文
1980 年296 巻 p. 19-26
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_19

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The results of fatigue tests on high strength bolted tee connections are described herein. The type of test specimens is the most simple type of tee connections and two cut-tees are bolted together by two high strength bolts. Influential parameters on the fatigue strength are the thickness of the tee-section flange, the ratio b_0/a (a : the distance from the bolt line to the edge of flange, b_0 : the distance from the bolt line to the web line) and the initial clamping force of the high strength bolts. The specimens are six types and total numbers of specimens are sixty seven. The results are followings. The fatigue strength of tee connections is influenced by the prying force and the bending force resulting from deformation of tee-section flangesas same as the static strength. The static strength is not influenced by the initial clamping force but the fatigue strength is influenced of that very much. The decrease in the initial clamping force results in the decrease in the fatigue strength. Considering that the fatigue failure were caused in the high strength bolts in tee-connections, the fatigue strength is estimated by the bolt tension versus applied load relationship which have a stable condition after one loading cycle. And this relationship will be estimated from the static analysis. Consequently, if the fatigue failure is caused in the high strength bolt, the fatigue strength of tee-connections will be roughly estimated, and if the bending force in the high strength bolt is concidered, the fatigue strength will be estimated more accuratelly.

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円形孔を有するはりの耐力と設計法 : 1. 無補強の場合の耐力

福知保長, 土井康生, 細川裕司

原稿種別: 本文
1980 年296 巻 p. 27-36
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_27

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On the economical viewpoint, such design method is frequently adopted to minimize the story height of buildings that holes are provided in web plates of beams for ducts or pipes to be passed through. In Japan, most of the shapes of the holes are circular. But, the method to calculate the strength of such beams is not established yet. In this paper, a method to calculate the strength of beams with non-reinforced circular web holes is proposed. The calculated results by the proposed method are compared with test results and it is assured that the proposed method can predict the strength of such beams. The summary concerning to the strength of such beams is as follows. 1) The shearing strength is about 85% of the full plastic shearing strength of the web net section area. 2) The bending strength is about 92% of the full plastic moment of its flange plates. 3) In case of a beam subjected to shearing force and bending moment simultaneously, its strength can be computed by a interaction curve of bending strength and shearing strength. 4) Because the shape of the interaction curve is neary rectangular, the bending strength and shearing strength can be checked independently, when a beam is subjected to shearing force and bending moment simultaneously in a practical design.

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H 形鋼柱の局部座屈後の変形性状に関する解析的研究 : その 1 単調荷重を受ける場合

三谷勲, 牧野稔, 松井千秋

原稿種別: 本文
1980 年296 巻 p. 37-47
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_37

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A theoretical analysis is performed on the post local buckling behavior of wide-flange beam-columns shown in Fig. 1(a). The analysis mainly based on the technique used in Ref. 10). However, the present analysis takes into account effects of plastic elongation in a local plastic hinge forming in the plate element, and effects of axial stresses in the plate element on specific power of dissipation of the local plastic hinge. The basic equation [Eq. (2)] is given by the principle of virtual velocities and principle of maximum specific power of dissipation. Among the Moment-Rotation curves based on the Eq. (2), the lowest result is valid, because of this analysis being based on the upper bound theorem. The analytical results are first compared with the test results shown in Ref 9). The second the effects of plastic elongation in the local plastic hinge and of axial stresses on a specific power of dissipatiou of the local plastic hinge are discussed. The results may be summarized as follows : 1. The experimental Moment-Rotation curves are well predicted by the analysis for the specimen with slender plates. 2. The Moment-Rotation curves under no consideration of the effects of plastic elongation in the local plastic hinge and of axial stresses in the plate element are lower in load carrying capacity than ones under the consideration of those effects.

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開口の筋違補強の研究 : その 1〜せん断力を受ける場合

難波治之, 佐藤勝利

原稿種別: 本文
1980 年296 巻 p. 49-56
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_49

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Slabs in deeply buried structures, such as underground substatuions, are affected by external walls loaded by soil and hydrostatic pressure, furthermore, they must carry shearing forces to external walls under earthquake. For this reason, stresses in slabs take great values and so slabs under the ground are thicker than those above the ground. On making openings in such slabs, the effect of openings on the stress distribution in slabs must be taken into consideration. As stress concentration generally occurs near an opening, slabs with openings are reinforced there with steel bars. When they are subjected to shearing forces, stress distribution in them are predominantly affected by openings. In order to reinforce such slabs, we can employ the advantage of braces. In this paper, the effects of braces as reinforcement are examined by obtaining the stress distribution of a slab which has a square openin and is loaded on its inern boundary. This examination is based on the theory of two-dimensional problem in elasticity. Then the magnitude of the effect of a brace can be determined by the condition for compatibility of deformation at the end of the brace. And the theoretical solutions are examined by means of experimental analysis based on photo-elasticity. Through this study we find that it is considerably efficient to reinforce slabs with openings with braces but not. very efficient in comparison with braces in a frame.

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自由辺を有する鉄筋コンクリート床版の終局強度について

土橋由造, 坂尻公也

原稿種別: 本文
1980 年296 巻 p. 57-66
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_57

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In the light of the writers' measurements on load-bearing behavior of variedly dimensioned reinforced concrete slab models with free edges, the modified Johansen method with the effect of concrete tensile strength taken into account and Park's method are examined herein respecting their validity in such cases of two-way slabs. In consequence, that of the former method, including its relative accuracy and feasible extent of application, is shown to be substantially limited because in the present cases the general mode of failure is more dominated by torsion and/or shear types than in the case of many otherwise supported slab systems subject to failures of generally bending types.

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周辺を拘束した RC 床版の圧縮膜効果について : 圧縮破壊後のコンクリートの応力逓減を考慮した材料非線形解析と実験との比較

土橋由造, 上田正生

原稿種別: 本文
1980 年296 巻 p. 67-76
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_67

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Material nonlinear analysis for reinforced concrete slabs with restrained edges is made using the finite element method with necessary formulations incorporated in it for the movement of their middle surface owing to cracking and other related effects, in both cases of taking and not taking account of compressive membrane actions. The results for the concerned load-bearing behaviors are compared with experimental measurements, with the adopted procedures shown to be valid to a resonable extent.

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水平 2 方向変位に対する RC 柱の復元力に関する研究 : その 2 2 方向曲げせん断実験及び解析

滝口克己, 木村正彦, 黒正清治, 小林克巳

原稿種別: 本文
1980 年296 巻 p. 77-87
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_77

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This is an experimental and analytical study about the bi-directional behavior of restoring force responding to relative displacement between the top and the bottom of a reinforced concrete column which is under constant axial force. A unique loading apparatus was developed for this experiment and it was described in detail in the previous paper (Part I, No.286). Twelve specimens were tested and valuable data were obtained. With respect to hysteretic energy absorption and restoring force, a column was compared with an ideal mechanical model under the same deflection history. The ideal mechanical model was designed using the analogy to the theory of elasticity and plasticity. From (hysteretic energy absorption ratio)-(accumulated plastic deformation) curve and (restoring force ratio)-(accumulated plastic deformation) envelope, the aseismic performance of the column was estimated. A bi-directional restoring force model was formulated using the concept of plastic potential and Ziegler's hardening rule. The test results could be explained by the model quite well.

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鉄筋コンクリート壁体の二軸曲げせん断強度に関する研究 : (第二報) 二軸曲げせん断強度の検討

小畠克朗

原稿種別: 本文
1980 年296 巻 p. 89-97
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_89

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In conjunction with structural design of cast-in-situ diaphragm R/C walls constructed in the underground along the periphery of the basements, biaxial bending-shear tests of R/C wall specimen were performed. The previous paper (Part 1) of this transactions No.285 describes the abstract of experiments and its results. This subsequent paper (Part 2) proposes a method of calculating the biaxial shear strength by taking into account only the neutral axis position to be obtained by the biaxial bending analysis, and examines its validity by comparing the shear strength and failure mode obtained by this method with the results of the tests of previous paper. The following facts can be said from the this study. (1) Shear strength of R/C wall under biaxial bending-shear may be estimated by the equation (2) at the neutral axis position at the yield point of the main reinforcement of the corner which sustains compression for the flexure perpendicular to the plane and tension for the flexure parallel to the plane. (2) Interaction curve for R/C wall under biaxial bending-shear may be appoximately obtained by combining the interaction curve for the biaxial shear based on the preceding point (1) and that for the biaxial flexure.

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キッチンユニットの評価における生理指標と言語指標の有効性に関する研究 (1) : 作業台高が使用者の感情に及ぼす影響の分析

児玉桂子, 林玉子, 徳田哲男, 石田道孝

原稿種別: 本文
1980 年296 巻 p. 99-109
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_99

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林一馬君の「八幡造の形成過程について・上」の基本的な誤謬

太田静六

原稿種別: 本文
1980 年296 巻 p. 111-116
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_111

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I proved, Mr. Mayashi's thesis of Hachiman-zukuri has many important mistake in this theory.

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多宝塔の枝割と各部の比例

浜島正士

原稿種別: 本文
1980 年296 巻 p. 117-126
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_117

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1. The width of the upper story is determined in proportion to the width of the lower story, but it is not standardized. 2. The proportion of the width As to the size of the upper story, the newer Taho-pagodas are generally larger than the older Taho-pagoda. As to the size of the upper eaves, the older Taho-pagodas are generally large, and the newer Taho-pagodas are small. 3. The proportion of the height The height of the upper roof is about tow thirds as high as the height of a Taho-pagoda, and in this point there is little differenee between the older Taho-phgodas and the newer ones. The height of the upper eaves is about a half as high as the height of a Taho-pagoda, and the height of lower eaver is about a quarter of that of the height of a Taho-pagoda. The tower eave's height of the older Taho-pagodas are expecially low, which showo that that they are are-one-storied pagoda with Mokoshi. 4. The proportion of the width and the height The newer Taho-pagodas are slenderer than the older ones. Which shows that thet styhe of Taho-pagodas has been modfied from one-storied pagodas with Mokashi to tow-storied pagodas.

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関東大震災と東京市営繕組織

藤岡洋保

原稿種別: 本文
1980 年296 巻 p. 127-135
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_127

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Reinforced concrete had just begun to be used in Tokyo municipal buildings when the Kanto Earthquake occurred. To reconstruct its buildings, Tokyo Municipal Office decided to introduce reinforced concrete widely. As a result, the fifteen years following the earthquake were the period of construction of a large number of reinforced concrete buildings. To carry out such a bug project, the members of the Architectural Section of Tokyo Municipal Office had been divided into branches specializing in specific architecture during that period. As is stated above, the time when the Kanto Earthquake occurred had great significance itself, and the reconstruction caused great changes in the system and the administration of the Architectural Section of Tokyo Municipal Office.

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水のイメージの構造と水空間の演出手法 : その 2 構造と演出

鈴木信宏

原稿種別: 本文
1980 年296 巻 p. 137-144
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_137

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水のイメージの構造的特質は, 次のように要約できる : 〔1〕水のイメージの形成要因としての物理的要素は, 指向要素と演出要素の2つに分けて考えることができ;〔2〕指向要素の差によって, 水のイメージの構造は, 水特徴型・広域型・物体型, 及び空間型, なる4つの基本的な構造型に大別することができる。〔3〕また, 演出要素は, 知覚の条件となる働き(a, 出発刺激, b.通路, c.閾上刺激), 見易さ獲得の働き(a.方向, b.視角量), 目立たせる働き(a.対比, b.障害刺激減, c.感覚操作), 及び連想させる働き(a.対極連想, b.同質連想), なる4つの働きをもって, 指向要素の明確な知覚の契機となる。〔4〕なお, 水のイメージの形成要因としてとらえた物理的要素はすべて, 空間を設計し, 操作するという立場からとらえた環境と, そこへの物の在らしめ方, ないしは物の知覚のさせ方に関する特徴である。

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高温度における構造用鋼材 (SS 41) の第一期クリープに関する実験 (梗概)

藤本盛久, 古村福次郎, 安部武雄, 篠原保二

原稿種別: 本文
1980 年296 巻 p. 145-157
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_145

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Results of a primary creep study conducted on structural steel (SS 41) specimens in tension are presented. These specimens were subjected to various constant loads and high temperatures from 350 to 600℃ for 6 hours. Also presented is a mathematical expression, shown in a term of product of exponential functions with material constants. The expression is originally based on that developed by Nishihara and others, and modified by authors to suit more wide range of stress level and temperature. Besides, the stress-strain curves obtained together with creep curves are shown, and the correlation between creep strain and elastic-plastic strain is clarified by these curves.

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「鉄骨鉄筋コンクリート柱脚部の力学性状に関する実験的研究 (その 2)-曲げモーメントを受ける柱脚の剛性および耐力-」に対する討論

南宏一

原稿種別: 本文
1980 年296 巻 p. 159-160
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_159

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南宏一氏のご討論に対する回答

増田貫志, 平坂継臣

原稿種別: 本文
1980 年296 巻 p. 161-162
発行日: 1980/10/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.296.0_161

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