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192 巻
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原稿種別: 表紙
1972 年192 巻 p. Cover1-
発行日: 1972/02/28
公開日: 2017/08/22
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原稿種別: 表紙
1972 年192 巻 p. Cover2-
発行日: 1972/02/28
公開日: 2017/08/22
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原稿種別: 目次
1972 年192 巻 p. Toc1-
発行日: 1972/02/28
公開日: 2017/08/22
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原稿種別: 付録等
1972 年192 巻 p. App1-
発行日: 1972/02/28
公開日: 2017/08/22
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加藤 勉, 古沢 平夫, 森田 耕次原稿種別: 本文
1972 年192 巻 p. 1-9,87
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーThe estimation of the size of the model defects and the artificial weld defects by the ultrasonic angle beam testing is studied and the results obtained are summarized as follows, (1) As for the maximum resultant echoes reflected from the model defects, there is a difference of 15 dB between the upper and the lower range of the test results (see, Fig. -5). This is resulted from only the difference of the angle of inclination of the model defect to the surface of the test specimen. (2) As for the test results of the artificial defects, there is no relation between the defect length and the maximum resultant echo (see, Fig. -6), but there is a slight correlation between the defect height and the maximum resultant echo although the deviation of the test results is up to 14d (see, Fig. -7). (3) The results of the ultrasonic testing show considerable difference when tested from one side and from the other side of the weld bead even if the other test conditions remain the same (see, Table-3). (4) As for the estimation of the defect height the method of 6 dB attenuation is better than the method of the maximum resultant echo. (5) The method of 8-9 dB attenuation is applicable for the estimation of the length of the model defect, but 10 dB attenuation is preferable for the artificial defect since the shape of the tip of the defect is uncertain. (6) As for the defects of small size, attenuation methods are apt to overestimate the size of the defects.抄録全体を表示PDF形式でダウンロード (1104K) -
若林 実, 松井 千秋原稿種別: 本文
1972 年192 巻 p. 11-22,87
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーAn experimental study are made of the effects of vertical loads on the behavior of steel portal frames subjected to horizontal loads. A specimen is composed of two similarly made miniature rigid portal frames, both being connected to each other in order to prevent lateral buckling of the frame. A frame is cut out by a machine from a mild steel plate stockwith 10mm thickness. The span and column height are chosen to be 200mm. The elastic flexural rigidity of the beam is either equal to or half that of the columns. 100, 50 and 30 are adopted as the ratios of the column height to its radius of gyration. Constant vertical loads are applied by hydraulic jacks at the tops of the columns symmetrically ; the loads are 0%, 10%, 20% and 40% of the elastic or the tangent modulus buckling load of a frame due to vertical loads only. A varying horizontal load is applied slowly by a testing machine to one direction of beam axis. It is observed that the shape of the horizontal load-displacement curve greaty depends on the magnitude of the vertical loads. The slope of the curve decreses as the horizontal load increases ; when the vertical loads are large the slope becomes negative after a certain displacement is reached. As the vertical loads increase, the maximum horizontal load decreases and the stability lilmit displacement also decreases. Experimental behavior is fairly well predicted by elastic-plastic analysis based on the true stress-strain relations of materials.抄録全体を表示PDF形式でダウンロード (1344K) -
加藤 勉, 秋山 宏原稿種別: 本文
1972 年192 巻 p. 23-31,88
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーSafety consideration is primarily based on the yield strength of members. Yield strength of members, however, can not be obtained without numerical integration process, since the moment-curvature relation of the member becomes nonlinear in the inelastic range and secondary bending effect caused by the axial compression may not be neglected in general. Hitherto, many attempts have been made to obtain the explicit expression of the yield strength of the steel beam-column. However these results are in allmost merely the substitution of numerically calculated results, and these applicability is restricted to the individual problem. This study aims at obtaining the approximate analytical solution for general beam-columns. "Equivalent factor method" is suggested, and the analytical result is verified by comparison with the numerical result at test data.抄録全体を表示PDF形式でダウンロード (889K) -
小林 正二原稿種別: 本文
1972 年192 巻 p. 33-39,88
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーWith the increasing population in the city and the sharp rise in land price in recent years, it is becoming more urgent to construct high-rise office and residential buildings in urban area. Therefore. the behavior of these buildings in a strong wind and the human response, as well as the environmental wind conditions around them are our serios concerns. We have recently measured the sway of the KEIO PLAZA Hotel building (height by smallest width=5.8) by use of the displacement meter newly developed by Nippon Electric Company with our cooperation, which consists of laser beam oscillator and gradient transmission detector, and succeeded in simultaneous measurement of wind velocity and direction as well as the building sway in a strong wind. It was found that the vibrational behavior of the building is made of long period component and short one. The former is considered due to the instantaneous wind pressure and to have irregular period because of the randomness of the wind "gust", and though the amplitude is relatively large, the acceleration is so small due to the long period of the gust that it is imperceptible to the occupants. On the other hand, the latter has a relatively small amplitude with the lst natural period of the building, that is, sinusoidal vibration of the fundamental mode, may be directly perceptible to them, if any, but in view of the references so far in hand, the maximum acceleration of the building due to the maximum instantaneous wind velocity in 50 year recurrence period is well below the perceptible threshold. Moreover, the maximum sway of the building in the same period is far below the allowable limit by various foreign codes.抄録全体を表示PDF形式でダウンロード (864K) -
神 忠久原稿種別: 本文
1972 年192 巻 p. 41-47,88
発行日: 1972/02/28
公開日: 2017/08/22
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乾 正雄, 宮田 紀元, 渡辺 圭子原稿種別: 本文
1972 年192 巻 p. 49-55,88
発行日: 1972/02/28
公開日: 2017/08/22
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谷村 秀彦原稿種別: 本文
1972 年192 巻 p. 57-64,89
発行日: 1972/02/28
公開日: 2017/08/22
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慎 貞吉, 下垣内 信清, 姜 英植, 吉武 泰水原稿種別: 本文
1972 年192 巻 p. 65-72,89
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーIn a hospital to use every kind of vehieles to supply of goods and collect of items for disposal or reprocessing is one of it's peculiarities. Therefore, we surveyed all sorts of vehicles, except for bed, utilized in three general hospitals in Tokyo city, and studied it's section, department, relation between the number of vehicle and bed, relation between the number of vehicle and nuring-unit, and distribution of height, width, length dimension of various vehicles. As a result, we made clear the problems about the hospital design. the result obtained are as follows : (1) As for the total number of vehicle : Toranomon Hospital : 271, Seiroka Hospital : 317, Nisseki-Musashino Hospital : 208. (2) In ward department, the number of vehicle per a bed is; Toranomon Hospital : 0.36, Seiroka Hospital : 0.50, Nisseki-Musashino Hospital : 0.31. and per a nursing-unit is; Toranomon Hospital : 14.7, Seiroka Hospital : 13.6, Nisseki-Musashino Hospital : 12.6. This above stated result shows that in case we culculate the number of vehicle, we prefer taking much of the relation between the vehicle and the nursing-unit to the relation between the vehicle and the bed. (3) The dimension of height, width and length of vehicles can be standardized on the ground that they are similiar to normal distribution. (4) We must take much consideration on the operation of the large dinner wagon and the stretcher, as they are the largest ones in vehicles.抄録全体を表示PDF形式でダウンロード (853K) -
YASUMI YOSHITAKE, 小原 二郎, 吉田 あこ, 谷口 汎邦, 寺門 弘道, 小滝 一正, 松島 正幸, 鶴貝 正一郎原稿種別: 本文
1972 年192 巻 p. 73-80,89
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーAs for disabled people, it is desirable or rather natural as it is for normal people to live with their family. Unfortunatly, ordinary houses are not well designed for the convenience of disabled people using wheel chairs or something like those. Especially, the well designed sanitary quarters are one of the most important points of a house for the disabled, because of their private and frequent use. In this paper, we studied the ways of using bath room of several typical types of disable people in the model bath room for experiment. One of the distinctions of this study is its variety of constituents which are medical, human engineering architectural, and industrial teams. The construction of this model bath room for the experiment are as follows. The height of bath tubs from the floor level is changeable, and supportant apparatus, such as handrails, poles, stools, and sliding boads (which are used for crippling approach from the entrance of bath room to the bath tub after transferred from their wheel chairs) are able to set in various places and positions of walls. We analysed the types of bathing from following viewpoints. Those are, observations of reserchers, photo-analysis, feelings of users. We derived several better bath room systems for each type of the disabled, to get more natural postures and smooth actions.抄録全体を表示PDF形式でダウンロード (987K) -
熊谷 良雄原稿種別: 本文
1972 年192 巻 p. 81-86,89
発行日: 1972/02/28
公開日: 2017/08/22
ジャーナル フリーIn this part, the author built up the "Simulation Model for the Choice Behavior of Shopping Centers" by the characteristic of the choice behavior of shopping centers that was explained in part 1, made clear the purpose of this simulation model, and made a detailed explanation of basical theory of this model. The purpose of this model was explained in "The Total System for Retail Planning", and basical theory was "The Satisfaction Theory" in stead of "Utility Function". Finally, the author explained and reflected on the results of this model.抄録全体を表示PDF形式でダウンロード (787K)
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