日本建築学会構造系論文報告集

表紙

原稿種別: 表紙
1985 年 356 巻 p. Cover1-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_Cover1

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目次

原稿種別: 表紙
1985 年 356 巻 p. Cover2-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_Cover2

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CONTENTS

原稿種別: 目次
1985 年 356 巻 p. Toc1-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_Toc1

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内容区分と表示について

原稿種別: 付録等
1985 年 356 巻 p. App1-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_App1

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奥付

原稿種別: 付録等
1985 年 356 巻 p. App2-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_App2

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床のすべりの評価指標および評価方法の提示 : 床のすべりおよびその評価方法に関する研究(その4)

小野英哲, 須藤拓, 武田清

原稿種別: 本文
1985 年 356 巻 p. 1-8
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_1

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This paper presents a method to evaluate the slipperiness of building floors in walking, which is based on the relation between the evaluating scales of slipperiness and the Coefficient of Slip Resistance (C.S.R), measured with O-Y PULL SLIP METER (O-Y・PSM) reported in part 3. The outline of this study is as follows. The first, in order to make the evaluating scale based on the subjective judgement of slipperiness from the viewpoint of safety and comfortableness, the sensory test on slipperiness was taken place under the following conditions. The sensory test was consisted of two stages, namely, the first stage was for common floors as that of office buildings, and the second stage was for Japanese residence floors. The number of sample floors were 9 in the first stage, and 10 in the second stage. Actions were walking, dashing, stopping and turning. Footwears were shoes and sandals in the first stage, socks and slippers in the second stage. Subjects were men and women. The method of sensory test was "the method of successive categories". After the test, evaluating scales based on the subjective judgement of slipperiness were obtained. Then, the Coefficient of Slip Resistance (C.S.R) of sample floors was measured with O-Y・PSM. Based on the relation between the evaluating scales and C.S.R, there were little differences between safety and comfortableness, between men and women, and among footwears. In each cases, there was the optimal range of slipperiness. The optimal ranges of C.S.R were 0.55〜0.70 in common floors and 0.36〜0.42 in residence floors. These results were presented as an evaluating index on slipperiness with the method to evaluate the slipperiness of building floors, in walking.

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合成高分子系床仕上材料のよごれの評価指標および評価方法の提示 : 合成高分子系床仕上材料のよごれの評価方法に関する研究(その3)

小野英哲, 馬場浩, 吉岡丹

原稿種別: 本文
1985 年 356 巻 p. 9-15
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_9

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This paper, Part 3 of the study, presents an index and a method for instant evaluation of the state of stains on polymeric floor finishing materials. The procedure of the present study was as follows : 1. The applicability of an accelerating device for stains, which had beem reported in Part 2, was again proved by the similarity of stains of products to that of the actually exposed materials. 2. The evaluating scale for measuring the grade of stains was created through a sensory test. In this sensory test, the method of rank-order was employed using twenty adult men who were interested in stains of floor finishings. 3. From the relation of the evaluating scale to average color differences, an index for evaluating stains on ploymeric floor finishing materials was presented. 4. The procedure of instant evaluation for stains on polymeric floor finishing materials was : (1) to produce stains on a sample material by means of the accelerating device, (2) to measure the average color difference of the artificially stained sample, (3) to estimate the average color difference of an acctually exposed material by the result of artificial staining, (4) to evaluate the degree of stains on the sample using the index obtained above.

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縞パターンのスペクトル分析と心理効果

岡島達雄, 久保哲夫, 野田勝久, 藤林和照

原稿種別: 本文
1985 年 356 巻 p. 16-23
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_16

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Fluctuation with time or space can be seen in the various physical phenomena. Analysing those fluctuating physical phenomena by use of power spectral concept, spectral functions of most of these phenomena are reciprocal of the frequency. This finding is also obsearved inhuman physical conditions such as brain wave, heartbeat and so on. The research previously conducted by Prof. Musha W implies that the fluctuations which follow this finding make us find them natural and affective. This study includes the items in the following ; (1) the general flow of the computer program to generate stripe patterns which follow this finding, (2) the visual comparison, by a certain number of test samples, of the stripe patterns generated by the above procedure with those of random stripe, an equi-spaced stripe and traditional stripe in Japanese architectural works, (3) the validity of the hypothesis that the stripe patterns which follow this finding make us find them natural and affective.

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プレストレスト鉄筋コンクリート曲げ部材内部のひびわれ状況に関する実験的研究(梗概) : その1.インク・樹脂ダブル注入実験方法について

鈴木計夫, 大野義照, スリーソンポンソムチャイ

原稿種別: 本文
1985 年 356 巻 p. 24-34
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_24

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不安定トラスの剛体変位と安定化条件

田中尚, 半谷裕彦

原稿種別: 本文
1985 年 356 巻 p. 35-43
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_35

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The structural problem in the unstable condition of structures like membrane structures and link structures belongs to the geometrically nonlinear problem, and primary characteristics of such an unstable structure are (1) in the existence of rigid body displacements without strain and (2) in the introduction of prestressing to change unstable into stable by giving initial stiffness. In order to understand the characteristics mentioned above, the following items are clarified in the paper by means of rigid truss models : (a) Existence condition of rigid body displaceemnts, (b) Classification of rigid body displacements into linear rigid body displacement and finite rigid body displacement, (c) Existence condition of self-equilibrated stress systems to know the possibility of introduction of prestressing, and (d) Relation between rigid body displacements and self-equilibrated stress systems of unstable structures. Since coefficient matrices of kinematic equations as well as of equilibrium equations are in general rectangular matrices, the generalized inverse is used for making the inverse relation of coefficient matrices.

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静水圧型外荷重を受ける弾性系の安定問題に関する考察

大森博司

原稿種別: 本文
1985 年 356 巻 p. 44-55
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_44

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In this paper, the stability problems of the elastic systems subjected to the configuration dependent loads are treated. Discussions are especially focused on the difference in the critical loads of the elastic systems subjected to two kinds of external pressures, that is, the constant directional one and the hydrostatic one respectively. In order to grasp the difference in the characteristics between both types of the pressures, three different mechanical models are adopted for the present purpose. Because of the simplicity of the adopted models, the critical loads are obtained in a completely explicit form. Results obtained from the present analyses can be summarized as follows. (1) the configuration dependency of the external pressure has little influence on the symmetric deflection and the snap-through behaviour of the system. (2) there are some cases in which the configuration dependency of the external pressure has relatively large influence on the antisymmetric bifurcation and its effect can be simply evaluated by the magnitude of the contribution to the second variation of the configuration dependent terms in the expression of the work done by the external pressure.

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構造物の振動特性検出のためのRun-up/down技法 : その2 システムの開発と実験例

村田勝, 原道也

原稿種別: 本文
1985 年 356 巻 p. 56-65
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_56

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In this paper, the authors have proposed Run-up/down Technique for structural frequency response testing. The system for Run-up/down Technique is described herein. In order to check the efficiency of the system, the frequency response function of a simple structure has been detected based on it, and the detected results was compared with that was detected based on the Impulse Technique.

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筋かい付鉄骨造発電所建家の耐震設計法に関する実証的研究 : その1 K型筋かい付単位骨組の弾塑性履歴特性の実験的検討

武藤清, 遠山幸三, 後藤幸義

原稿種別: 本文
1985 年 356 巻 p. 66-76
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_66

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The purpose of this study is to establish a rational aseismic design method, through the experimental and analytical research, applicable to the large turbine building of a thermal. power plant, which accomo-dates many important equipment like steam turbines, generators and incorporates aseismic elements composed of K-type braced frame. Experimental cyclic tests of K-type braced frame which were fabricated based on the same designs criteria as used in existing turbine building was conducted to investigate the inelastic hysteresis characteristics' including post buckling behavior. Three 1/2 scale K-type braced frame test specimens were applied, varying the slenderness ratio and end connection of the brace members. Test results of K-type braced frame used in existing turbine building are summarized as follows. (1) The general behavior of a K-type brace frame under cyclic loading is extremely complicated and difficult for seismic analysis. (2) Maximum strength after buckling is largely influenced by the condition of the braced end connection. The increments of the brace cross sectional area does not largely concern with maximum strength after buckling because of vertical displacement of the upper beam. (3) Despite reduction of 10-20% in strength after buckling, load carrying capacity remains at a very high level under stable conditions until 1/50 of story drift angle R. (4) Downward displacement at center point of the upper beam accumulates gradually accompanying increments of the story. drift angle R. (5) Ductility factor of K-type steel braced frame investigated herein is approximately 5, judging from aforementioned test results.

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長さの等しくない剛域を考慮した放物線材のたわみ角法基本式の誘導とその諸係数表の作成 : 材端に長さの等しくない剛域を考慮した放物線材を含むラーメンの解析(その1)

成瀬春光

原稿種別: 本文
1985 年 356 巻 p. 77-83
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_77

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Basic formula of slope deflection method of parabolic members which have rigid zones of unequal lengths induced by applying the theory of virtual work, that considered bending transformation, relative stiffness and rigid zones set span unit l and l' (l' equal subtract from span l to rigid zones of both ends of member). Coefficient lists are made of next two conditions. Condition 1 Lengths of rigid zones on both ends are ξ_il'= γ_il=(0.00〜0.30)l and ξ_κl'= γ_κl=(0.00〜0.30)l. Condition 2 These have an interval of 0.02 l and are caluculated to five significant figures. These caluculations were on computer HITAC M-180 and microcomputer FM-11.

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鉄筋コンクリート柱のせん断降伏による横はらみ性状に関する実験的研究

村上雅英, 今井弘

原稿種別: 本文
1985 年 356 巻 p. 84-92
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_84

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In the last report, the mechanism of lateral expansion of reinforced concrete columns after yielding by shear was theoretically studied. And it was proposed that the method to guess experienced maximum shear displacements of R/C columns yielding by shear from their irrecoverable lateral expansion. In the experiments the lateral expansions and shear strains of R/C columns were measured at several sections along their axes. The correspondence between them was investigated. The experimental results may be summarized as follows. (1) The phenomena of lateral expansion can be theoretically explained by using an analytical model as shown in Fig.-1, in which core concrete of R/C columns are idealized into two dimensional, non-linear and nonhomogeneous elements. (2) The leteral expansion and the plastic shear deformation are due to the plastic tensile deformation of diagonal members in the model. (3) The plastic shear strain can be connected with the lateral expansion ego by Eq. (1). And the relationship was investigated in the experiments. γ_<max>= (0.5/β) tanθ ε_<x0>…(1) where γ_<max> : experienced maximum plastic shear strain β:ratio of the irrecoverable lateral expansion to the maximum one (0<β<1) θ:angle between cracks and a axis of a R/C column (4) In the experiments, it was observed that R/C columns startd compressing along their axes due to axial compressive load when maximum lateral expansions strains were about 1.7〜3.4 %. (5) In the experiments, the ratios of irrecoverable lateral expansions to maximum ones were 0.8〜1.0. (6) Experienced maximum shear displacements of RIG columns can be guessed from laterally expanded widths. In the experiment the measured maximum shear displacements were 1〜2 times the calculated ones.

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構造用鋼材の多軸応力状態における繰返し応力-ひずみ関係 : 繰返し力を受ける鋼構造溶接接合部の破壊挙動に関する研究-第1報

藤本盛久, 橋本篤秀, 中込忠男, 山田丈富

原稿種別: 本文
1985 年 356 巻 p. 93-102
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_93

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In this paper, we develop and simplify the numerical plastic model that determines stress-strain relations according to the states and the magnitudes of the yielding surface and the bounding surface in stress space. We newly introduce the following matters; (1) The intermediate surface for determining the plastic strain hardening rate and the magnitude of the bounding surface, (2) The rate of expansion and contraction of the yielding surface. (3) Taking account of the effect of yielding plateau. The usefullness of this method is proved by two ways; one is to compare the calculated results with the experimental results on structural steel and weld metal for cyclic loads, the other is to compare with another method. The, parameters to define the strain hardening behavior in this method are σ_y, ε_<st>, σ^B_<in> and E^B, which are able to be determined easily by the results of monotonic tensile test. Further, using these parameters, we obtain the rate of expansion and contraction of the yielding surface (χ).

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SI単位の換算率表

原稿種別: 付録等
1985 年 356 巻 p. App3-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_App3

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裏表紙

原稿種別: 表紙
1985 年 356 巻 p. Cover3-
発行日: 1985/10/30
公開日: 2017/12/25

DOIhttps://doi.org/10.3130/aijsx.356.0_Cover3

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