Transactions of the Architectural Institute of Japan

[title in Japanese]

Article type: Cover
1974 Volume 226 Pages Cover1-
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_Cover1

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[title in Japanese]

Article type: Cover
1974 Volume 226 Pages Cover2-
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_Cover2

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[title in Japanese]

Article type: Index
1974 Volume 226 Pages Toc1-
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_Toc1

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[title in Japanese]

Article type: Appendix
1974 Volume 226 Pages App1-
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_App1

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WEATHERABILITY OF ELASTOMERIC ROOFING MEMBRANES (PART 1) : Outdoor Exposure Tests; Changes in Mechanical Property and Dimensional Stability

KYOZI TANAKA, MICHIO KOIKE

Article type: Article
1974 Volume 226 Pages 1-8,101
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_1

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In recent years, elastomeric roofing materials have been introduced because of their excellent mechanical property. These materials are, however, degradated in fairly short time after construction of roof. The purpose of this study is making clear the weatherability of these materials and the roof systems composed of them. The research consists of two works; one is outdoor exposure test in Tokyo and Sapporo, and the other is accelerated weathering tests. Each test was carried out from two different standpoints; One was how the materials were durable, and the other was how the roof systems composed of them were. In this paper, we discuss the changes in mechanical property and the dimensional stability of the materials when exposed outdoors under unrestrained condition. The results obtained may be summarized as follows. Generally speaking, the elongation at breakage decreased and the tensile stress at the elongation rate of 300% increased. Some specimens extended in the early stage of exposure, however, all the specimens showed a tendency to shrink after four year's exposure in Tokyo and Sapporo. The effect of outdoor exposure is severer in Tokyo than Sapporo.

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THE STUDY OF RESILIENCY GYMNASIUM FLOOR (PART 4) : The Scaling of the Athlete's Sence on Resiliency of Gymnagyum Floor

HIDENORI ONO, MAKOTO YOSHIOKA

Article type: Article
1974 Volume 226 Pages 9-19,101
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_9

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The purpose of this paper is to scale the athlete's sence on resiliency of gymnasium floor by sensory test. The scaling method is scheffe's paired comparison method, and panels are 51 athletes and samples are 11 model floors. We could obtained the scale of the athlete's sense on resiliency of gymuasium floor. Result of the scaling are showed in Tables.

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PRODUCTION ANALYSIS OF PRE-CAST CONCRETE CONSTRUCTION : (Part 3) Man-hours involved in production of pre-cast concrete components in some peculiar production systems and of some particular types of components, and man-hours involved in steel unit assembly

SHIGERU WAKAYAMA, KAZUO GOTO, MAKOTO YOSHIOKA

Article type: Article
1974 Volume 226 Pages 21-27,102
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_21

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This is the third report of Production Analysis of Pre-cast Concre Construction. In the former reports we stated : 1) the purpose of this study. 2) the explanation of production analysis on building construction. 3) A detailed method of analysis And we also reported the amount of man-hours of usual pre-cast concrete components in relation to their different forms. In this report we analyze the man-hours involved in the production of pre-cast concrete components in a flow line production system and a battery-type production system in an effort to study the difference in production methods. Secondly, we report on the man-hours in the production of some particluar form of components including, three dimensional components, cartain-walls, ribbedslabs, staircomponents. Thirdly, we report on the man-hours in volved in the assembling of steel units which is to be included in th pre-cast concrete components.

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ON STATIONARY RANDOM RESPONSE OF THE ONE MASS BUILDING STRUCTURE IN THE HYSTERETIC PLASTIC DEFORMATION REGION

TAKUJI KOBORI, RYOICHIRO MINAI, KOICHRO ASANO

Article type: Article
1974 Volume 226 Pages 29-37,102
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_29

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In order to carry out faithfully the aseismic design philosophy of the building structure to the high level earthquake input such as severe or destructive one, it may be very important to discuss general elasto-plastic response natures mainly determined by its nonlinear hysteretic characteristics. So far analytical studies about the nonlinear response to an individual deterministic input, for example El-Centro or Taft earthquake, have been examined but there has been no study to those of more general nature considering erathquake input randomness. Therefore in this paper nonlinear response characteristics of the hysteretic single-degree-of-freedom system to stochastic earthquake type white and non-white noise inputs are examined, choosing such important parameters from aseismic design point of view as the rigidity ratio of the hystretic characteristics, viscous damping independently given of hysteretic damping to the system and the shape of the non-white noise spectrum of stochastic inputs, by making use of the new analytical technique which is developed in this paper, based on the Fokker-Planck equation and the characteristic function.

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VARIATION OF CHARACTERISTICS OF HORIZONTAL EARTHQUAKE MOTIONS DUE TO ORIENTATION

YUTAKA MATSUSHIMA

Article type: Article
1974 Volume 226 Pages 39-44,103
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_39

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Horizontal earthquake motions at a certain site are recorded as two perpendicular components in most cases. These two, however, do not represent every motion of this earthquake at this location, because they will become different if accelerometers would point to different directions. Therefore in order to evaluate the characteristics of horizontal motions synthetically, it requires to collect all of motions of any directions and to estimate them as a group. In this sense this paper has dealt with the analytical approach and its numerical application regarding how fundamental properties of horizontal motions vary due to rotation of coordinates. As the results of computation for several actaul accelerograms, the fluctuation caused by orientation around associated average values has been found approximately ±50% for the power spectral density function, ±30% for the absolute value of cross spectral density function, ±20% for the mean square value, ±10% for the root mean square value and ±20% for the maximum acceleration.

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INTRODUCTION OF MULTI-DIRECTED CONTINUUM MECHANICS : On multiplying the director frame in the theory of generalized continuum mechanics

OSAMU MATSUOKA, TOMOYUKI YOKOI

Article type: Article
1974 Volume 226 Pages 45-54,103
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_45

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This paper tries to construct the theory of multi-directed continuum mechanics, by multiplying the director frame based on the thought of generalized continua. The multi-directed continuum corresponds to the medium which has many degrees of freedom for the deformation of every material particle. Mathematically it is considered as an assemblage of material points which have a macro director polyad (i.e. frame) and n micro director polyads. And actually, one of such continua will be the continuous model of discrete or heterogeneous media (e.g. reticulated framestructures, prismatic shells, layered media, and composit materials). Independently of dimension the basic equations are formulated by Hamilton's principle (§4), after defining the geometrical relations (§2) and the strain measures (§3). In section 5 some different expressions of them are concidered for comparison. Therefore by varying values of indices, they can form the theories of one, two and three dimension respectively, and fundamentally imply the concepts in many published works of the generalized continuum mechanics. Section 6 is a review of the concept of directors and gives the outline of an ideal multi-directed continuum model for actual media by analogy. Then it is noted that the deformation of a macro polyad space which includes micro polyads, is constrained homogeneously.

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THE STUDY ON THE PEOPLES DESIRES FOR IMPROVING RESIDENTIAL ENVIROMENT IN SLUMS : II. Strata of Inhabitants in the Context of Redevelopment Planning

KEIJI SATO, YOSHIHIRO KAWAGUCHI

Article type: Article
1974 Volume 226 Pages 55-62,103
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_55

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If redevelopment project is to be carried out in a certain place, the inhabitants there would take the attitudes towards it in consideration of the influences on thir livings. The influences can be interpreted by some conditions of the inhabitants, namely, the type of occupation which means pattern of difference and change in income, the tenure of dwellings and lands and the family situations. The various minds of inhabitants on the redevelopment project can be categorized into some groups with reference to the strata under three consitions of the inhabitants mentioned above. Some people who can appreciate the redevelopment could take a leadership in the building the towns through popular participation. The other people may be influenced for bad by some factors. Then, the success of the redevelopment could be achieved by getting rid of such factars. Thus it is made clear that having a grasp of the strata of inhabitants is useful in the process of redevelopment planning.

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STUDY OF CIRCULATION OF THE SURGICAL DEPARTMENTS : -2- Modelling and Simulation of Movement of Men (See Trasactions of A.I.J. No.225 p.68)

MAKOTO YANAGISAWA, SHOJI IMAI, GON TANIGUCHI

Article type: Article
1974 Volume 226 Pages 63-71,104
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_63

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THE PAGODA OF YAKUSHIJI IN THE FUJIWARA CAPITAL : ITS FORM AND MOVEMENT TO THE HEIJO CAPITAL : Study on the Pagoda of Yakushiji No.1

SHIGETAKA MIYAKAMI

Article type: Article
1974 Volume 226 Pages 73-83,104
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_73

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It has long been discussed whether or not the buildings and the Buddhist images of the original Yakushiji at the Fujiwara capital were moved to the new temple site at the Heijo capital. This paper and the following one both deal with this problem and are especialy concerned with the pagodas. The principal conclusions resulting from this study are as follows. 1. The pagodas of the Yakushiji in the Heijo capital had the same measurements and style as the pagodas at the original Yakushiji in the Fujiwara capital. However, the ground floors of the earlier pagodas differed from those of the later ones insofar as the lean-to roofs were not enclosed and had no groups of clay figurines placed inside. In the Heijo pagodas the walls were constructed at the outer edge of the lean-to roofs and only the pillars remain to indicate the place of the wall as they were in the Fujiwara Yakushiji. Furthermore, there did exist groups of clay figurines similar to those still to be seen at Horyuji. 2. When the Yakushiji was re-established in the new Heijo capital, one of the two pagodas of the original Yakushiji, the east pagoda, was moved to the new site, and its central pillar and core of the building were set up as the west pagoda.

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CHRISTOPHER DRESSER AND JAPAN

HIROYUKI SUZUKI

Article type: Article
1974 Volume 226 Pages 85-94,105
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_85

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Christopher Dresser (1834-1904) was an unique designer in the history of modern design. Many art historians, for example, Sir Nikolaus Pevsner in his "Pioneers of Modern Design" and Robert Schmutzler in his "Art Nouveau-Jugendstil", highly appreciated him as a revolutional designer. Dresser's design seems very functional and "modern". But it was not only the result of functional study but also the result of looking into fundamental form. It is true that he studied function of the shape of the pot, but it was only one of his interests. At the same time, he was deeply interested in the study of natural form and of an artistic arrangement of decorative forms. In 1873, he published "the Principles of Decorative Design", which had close relation to Owen Jones' "The Grammer of Ornament" and even to A.W.N. Pugin's "The True Principles of Pointed or Christian Architecture" in 1841. These authors were inquiring into fundamental form and arrangement of decoration. Pugin's principles were based on the Catholic religion, Owen Jones' principles were based on the natural forms. And Dresser found the Energy and the Force as his basic principles for design. Dresser's principles, however, were not completely abstruct ones. He, then, caught a chance to visit Japan. His travelling through Japan from 1877 to 1878 shows characteristics of the principles of his design. He visited Yokohama, Kobe, Osaka, Nara, Kyoto, Nikko, Tokyo and many other places. He was interested in many of Japanese designs, especially, in such decorative designs as mausolea at Nikko and Shiba. It seems that the decorative arrangement in Japanese Art greatly inspired him, and that he had confidence that his principles were true. After returning to Britain, he created many revolutional designs. In these designs, however, we could not find any Japanese motives. But he must have been greatly inspired by Japanese Art. He was inspired not by forms but by the method of convention and arrangement of them. Contents of the thesis are as follows. I. Introduction II. Chronology III. Dresser and Cole's Circle and the South Kensington IV. Travelling to Japan in 1877 V. Controversies on "Japanese Village" and against J. Conder VI. Dresser's Principles

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[title in Japanese]

[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...

Article type: Article
1974 Volume 226 Pages 95-97
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_95

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1974 Volume 226 Pages 97-99
Published: December 30, 1974
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.226.0_97

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