日本建築学会論文報告集

表紙

原稿種別: 表紙
1968 年 154 巻 p. Cover1-
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_Cover1

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目次

原稿種別: 表紙
1968 年 154 巻 p. Cover2-
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_Cover2

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CONTENTS

原稿種別: 目次
1968 年 154 巻 p. Toc1-
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_Toc1

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Building Element に加わる衝撃力とその耐衝撃性能 (その 2) : 建築の耐衝撃性能判定に対する提案

内田祥哉, 宇野英隆, 呉譲治, 山本公也

原稿種別: 本文
1968 年 154 巻 p. 1-8,75
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_1

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平面切断法の鋼管構造物の管端加工への適用について (その 1)

鷲尾健三, 三井宣之, 西田芳弘, 田中藤八郎, 久光脩文, 穂積重臣

原稿種別: 本文
1968 年 154 巻 p. 9-18,75
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_9

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建物の周りの風圧分布の計算法 (その 5)

小林正二

原稿種別: 本文
1968 年 154 巻 p. 19-24,75
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_19

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In the foregoing four parts of the series, the problems of the stream with ordinary velocity around plates and buildings have been mainly dealt with to get the pressure distribution, etc., on the assumption that the separation starts at the edge or the corner of the wall surface. This time, however, the author tries to clarify the phenomena of the stream with low velocity around plates and squares, which are observed in the ventilation through the louver and underground-water, by means of two-dimensional potential theory, and confirm the regulation now in force about the wind pressure distribution. (1) The considerably wide range of negative pressure near the edge as shown in Fig. 6 and Fig. 11 can only exist in the slow stream without separation, but in ordinary wind, separation starts at the edge and makes the range of negative pressure narrower, which moreover depends upon the wind direction. (2) The comparison between Fig. 7 and Fig. 8 makes us understand that the longer the eaves, the more uniform the pressure distribution between the roof and the ground becomes, that is, the remarkable effects of end plates. (3) When two tall buildings of square plan type stand in line as the plates of Fig. 12, the pressure distribution on the front surface are not so much affected by their proximity except the slight shift of the stagnation point toward the gap, while the negative pressure on the side wall of the gap tends to increase remarkably, so that caution must be paid to the strength calculation of sashes and window-panes on this side.

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応力関数を用いた耐震壁の弾性解析法 (第 1 報) : 級数型応力関数だけでは満足されない要素

富井政英

原稿種別: 本文
1968 年 154 巻 p. 25-32,75
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_25

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組立梁の捩り

鈴木敏郎, 木村衛

原稿種別: 本文
1968 年 154 巻 p. 33-38,76
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_33

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The pourpose of this paper is to analyze the torsional problem of built-up girder with the stiffness matrix method. The stiffness matrix method is finally equal to the displacement method which is satisfied the equilibrium conditions at the points of contact. But on the semi-closed section, we must consider the width of member. Then, we assumed as followes 1) The cross section area of member is undeformed and remains plane 2) The torsional rigidity of each member is only St. Venant's torsion. From these two assumptions, making the transformation matrixes of the stress, T_f, and the deformation, T_u, the main stiffness matrix reads K=T_fT^TkTT_u where T is the co-ordinate transformation matrix and k is the individual member stiffness matrix. Farther in order to check the appropriateness of this theory, we experiment. Generaly, in this kind of the torsional experiments of built-up girder, the influence of warping restraint is significant. Then on our experiments, we design the experimental system without restraint. The summary of this paper is as follows. 1) On analyzing the space frame, if we must consider the width of member, it is useful that we analyze with substituting the stiffened rod for the width of member. 2) The member of short length is influenced by the condition of ends, and the torsional rigidity decrease owing to the deformation of cross section on the end. 3) Increase of the torsional rigidity is due to the restrain of warping deformation for the most part.

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剛節トラス (弦材 : T 形鋼, 腹材 : 鋼管) の耐力実験 : 偏心剛節点 : その 3.1・弾塑性性状

山田孝一郎

原稿種別: 本文
1968 年 154 巻 p. 39-45,76
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_39

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既論では, 剛節トラス(弦材 : T形鋼, 腹材 : 鋼管)の中でその節点構成の最も簡単な偏心節点をもつ剛節トラス(図-1)について, その応力と変形との関係を, まず弾性範囲について実験的並びに理論的(剛節トラスとしての二次応力をも考慮した理論)に究明してこの両者が比較的一致することを明白にし, さらにその弾塑性性状についても定性的に言及した。本文は, 既論につゞくもので, 既論と同様な偏心剛節トラス(図-1)について, その上弦材中央節点部載荷時における耐力と剛性とに関する実験的研究を行ない, これらをトラスの二次応力をも考慮した剛節トラスの弾塑性理論解析(或仮定にもとづく塑性ヒンジ理論)と対比し, 弾性域から弾塑性域をへて破壊荷重時にいたるまでのその応力と変形との関係を実験的並びに理論的に究明したものである。

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生理機能検査の利用件数 : 病院の建築計画に関する研究

伊藤誠, 幡野公人, 野田浩史, 杉谷俊夫

原稿種別: 本文
1968 年 154 巻 p. 47-52,76-77
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_47

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The number of physiological test in hospital is increasing. The information as to the use of physiological test room is needed to determine its location and size. This paper reports the number of in-and out-patients receiving each test, that is electrocardiograph, electroencephalograph, electromyograph, basal metabolism ratio, and respiratory function. Nine hospitals were chosen for investigation. Some of the results of the studies are as follows : 1) It was found that the great majority of the test was held by E.C.G. and the most part of the rest was held by E.E.G. and B.M.R. 2) The proportion of the number of test between in- and out-patients in E.C.G. is nearly equal. Concerning the E.E.G. and B.M.R., the greater part of them is received by out-patients. 3) One room for each test is sufficient for the hospital having up to 200 beds. Two rooms will respectively be necessary for E.C.G. and E.E.G. rests of 400-bed hospitals. In case of 600-bed hospital, three E.C.G. test rooms will be needed.

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残響室法吸音率の測定精度に関する研究 : 音場の拡散性, 残響時間測定方法の検討と協同比較試験

子安勝, 木村翔, 永田穂

原稿種別: 本文
1968 年 154 巻 p. 53-63,77
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_53

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Results of the 3rd Round Robin Test in Japan have shown relatively large deviations in measured absorption coefficients. To investigate the diffuse condition in a reverberation room, which was supposed to be one of the important factors for the precision of measurements, directional diffusitivity during decay process was introduced as the index of diffusitivity for the middle and high frequency regions. From the measurements of this index, the sound fields of all rooms shown in Fig. 17 could be regarded as the same order of diffusitivity, when the total area of suspended diffusing plates in each room would reach up to 80 percent of the floor area of the room. The important factors for the disagreement of the absorption coefficients in the 3rd Round Robin test would have to be found in other items. To investigate the fluctuations of absorption coefficient related to the reverberation time measurements, experimental works were conducted in the following ways. (1) Reference decay curves were sent to 13 institutes and were read by 25 persons. (2) The absorption coefficient of identical test materials was measured by using the same instruments in 11 reverberation rooms. The reverberation time was read by only one person from the recorded decay curves. (3) To check the effect of dynamic characteristics of a high speed level recorder, decay curves were recorded by each level recorder in respective institutes. These records were read at first by only one person and then by respective persons in each institutes. From these results, it was concluded that the personal tendency for reading the decay curves and the dynamic characteristics of a high speed level recorder would play an important role for the precision of measurements of sound absorption coefficients in a reverberation room. The 4th Round Robin test, where the specifications for measurements were derived from this investigation, showed fairly good results.

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住宅団地建設による周辺地域地価の変動について : 住宅公団ひばりケ丘団地の例について

近藤久義

原稿種別: 本文
1968 年 154 巻 p. 65-73,77
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_65

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In this paper, the results of the four times investigation carried out every three years since 1955, on the land price of the plots arround the border of the projected area of the Hibari-ga-oka housing estate, and the plots of Hoya area will be reported. When some land is purchased by Japan Housing Corporation (J.H.C.) for construction of a housing eastate, the land price arround projected area usually rises higher than the area without any project arround it (like Hoya). The areas selected for study are shown in Fig. 1-5. Land prices of the plots for shop in front of the stations are usually corelated with the number of the passengers getting on and off at the station, as shown in Fig. 2-6. In our case, the land priceof the plot (y) and number of the passengere (x) are also corelated as shown in Fig. 2-7. The relation between the land price per unit square of the plot for the residence (x) and the land price for the shop (y) is shown in Fig. 3-2. *) The Hibari-ga-oka housing estate was constructed by J.H.C. in 1959. It is located in Tanashi Town in Tokyo Metropolitan Area, about 20km. far from Tokyo Central Area. The housing estate has 2694 dwelling units. Area is about 31 ha. **) Hoya is next station to the Hibari-ga-oka Station.

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奥付

原稿種別: 付録等
1968 年 154 巻 p. App1-
発行日: 1968/12/30
公開日: 2017/08/22

DOIhttps://doi.org/10.3130/aijsaxx.154.0_App1

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