Transactions of the Architectural Institute of Japan

[title in Japanese]

Article type: Cover
1972Volume 195 Pages Cover1-
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_Cover1

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[title in Japanese]

Article type: Cover
1972Volume 195 Pages Cover2-
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_Cover2

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[title in Japanese]

Article type: Index
1972Volume 195 Pages Toc1-
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_Toc1

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[title in Japanese]

Article type: Appendix
1972Volume 195 Pages App1-
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_App1

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A STUDY ON THE THEORY OF CONCRETE MIX DESIGN Part 1 : Introduction to the New Concept

TAKAKAZU OOI

Article type: Article
1972Volume 195 Pages 1-8,95
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_1

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STUDIES ON STRENGTH AND DEFORMATION CHARACTERISTICS OF REINFORCED CONCRETE FLEXURAL MEMBERS : Flexural Failure Experiments of Reinforced Concrete One-way Slabs with Stubs

TOSHIYUKI KUBOTA

Article type: Article
1972Volume 195 Pages 9-18,95
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_9

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Many investigations on the strength of reinforced concrete members subjected to bending moment have been reported, and it is now possible to predict their strength with saticefactory accuracy. However, little is known and relatively small amount of research has been done regarding their capacity for deformation, especially when they are subjected to bending and shearing simultaneously. In this investigation, twelve one-way slabs with stubs subjected to center concentrated lording were tested. The principal variadles were the width of stub including zero, the surface deformation of reinforcement and the bond condition in the stub. Then, the influence of beeing stub to the deflection of the specimens were discussed in concidering of bond characteristics between reinforcement and concrete.

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INELASTIC H-COLUMNS UNDER TRI-AXIAE MOMENT : (Part 2) Elasto-Plastic Analysis Thin-walled Open Sections 4

TOSHIRO SUZUKI, MAMORU KIMURA

Article type: Article
1972Volume 195 Pages 19-24,96
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_19

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Fourteen tests of H-columns under tri-axial moment and constant axial load were carried out to investigate the general inelastic behavior of corner H-columus. especially to know effects of torsion. and to prove the adequacy of the analysis in the previous report (Part 1). The section of specimens was H-125×125×6.5×9. There were three kinds of the slenderness ratios about the strong axis : 20.40 and 60. and axial load ratio P/Py has three kinds : 0.2, 0.4 and 0.6, The effect of torgue was found to be most pronounced at the slenderness ratio of 40. and considerable decrease in flexural strength was found. Following are the factons that influence the flexural strength of such memders. (1) Magnitude of Shear force due to St. Venauts' torsion. (2) Magnitude of torsional component due to axial force. (3) Magnitude of flexural-torsional component. (4) Magniude of torsional deflection. It was shown dy both the tests and the analysis that the effect of (1) was predominant among all the above factors, and the effect of (4) was small but favorable.

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EXPERIMENTAL STUDY ON THE ELASTIC-PLASTIC STABILITY OF STEEL FRAMES : (Part 4) Subassemblages with Wide Flange Sections Subjected to Alternating Horizontal Force

MINORU WAKABAYASHI, CHIAKI MATSUI, ISAO MITANI

Article type: Article
1972Volume 195 Pages 25-37,96
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_25

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The behavior of steel tall building frames under constant vertical loads and alternating horizontal force was studied experimentally, using knee type subassemblages which were fundamental element of inner portion of multi-bay multi-story frames. Test frames were made by welding beams and columns of mild steel rolled wide flange sections. It is observed that the shape of horizontal force-displacement curves greatly depend on the magnitude of the vertical loads and the type of frame collapse mechanism. In the case that the vertical loads are o or small and the column sections do not yield at first, the hysteresis loop of frame behavior do not become unstable and get to steady state with the repetition of horizontal loading. However, in the case that the vertical loads are large and first yield occurs at column sections, the hysteresis loop become unstable but the restoring force of frames increases with the repetition of horizontal loading. The final horizontal restoring force nearly corresponds to the strength calculated on the assumption that the resisting moment of column section converges to the full plastic moment of section with no axial force. Experimental hysteretic behavior is fairly well predicted by elastic-plastic analysis based on the two assumed bending moment-curvature relations. An apporoximate, yet simple analytical method of hystereticl behavior of subassemblages is also proposed in this paper.

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STRUCTURAL CHARACTERISTICS OF ECCENTRIC K-BRACED FRAMES

MORIHISA FUJIMOTO, TSUKASA AOYAGI, KUNIO UKAI, AKIRA WADA, KATSUHIKO S ...

Article type: Article
1972Volume 195 Pages 39-49,97
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_39

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Structural characteristics of K-braced frames were studied, with emphasis put on the variation of frame characteristics caused by the eccentric brace-to-beam connections (see Fig. 2.1.). The tests and analysis were conducted with particular attention ascertain wherther the yielding due to shear of the beam web subject to eccentric reaction from the braces would be such that the frame as a whole could have a stable characteristics, maintaining sufficient brace stability. (For the test and analysis procedures, see the Japanese text.) The test and analysis results may be summarized as follows : (1) Comparison between the test results and the theoretical results The test results and theoretical results by analysis were generally in fair agreement. (2) Hysteresis characteristics By selecting the eccentricity properly, the abrupt decrease of frame strength due to the buckling of braces can be avoided because the yield due to shear of the beam to which braces are eccentrically connected will prevent such buckling. (3) Strength and stiffness frame By providing the eccentricity appropriately, frame stiffness can be controlled without pronouced change in frame strength. (4) Effects of eccentricity of web of beam Although the web enters the plastic range at the initial stage of loading, its histeresis loop recorded under iteration of positive and negative loadings was fairly stabilized.

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AMBIENT WIND CONDITIONS AROUND TALL BUILDINGS

SHOJI KOBAYASHI

Article type: Article
1972Volume 195 Pages 51-57,97
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_51

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The study in the ambient wind conditions at the base of tall buildings has started rather recently, and not been advanced enough to be able to fully meet the problems posed by the society, because of research data, both at home and abroad. For this purpose, it is neccesary to nake observation or measurement on the respective and analyse the data thus obtained both in the theoretical and the statiscal ways. The objective of this paper is to review the observations on Keio Plaza Hotel Building (170m high) and Hotel Pacific Building (170m) in the strong wind and recommend the tentative criteria for the proposed buildings situations by use of these data as well as the smoke tunnel test.

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THEORY OF "STATE IN RESIDENTIAI DISTRICT" ON ENVIRONMENTAL RE-CREATION : A Case Stndy of "Urban Movement" in Maruyama of Kobe (No 2-2)

MORIAKE HIROHARA, MASAAKI OGAMI, Nobuaki Morimoto, KIHACHIRO NAKAJIMA

Article type: Article
1972Volume 195 Pages 59-68,97
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_59

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ON THE GENERAL PLAN OF THE MAIN SHRINE OF HAKOZAKI-HACHIMAN SHRINE

MITSUYOSHI TUCHIDA

Article type: Article
1972Volume 195 Pages 69-74,98
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_69

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I researched verious sources to determine the original plan of Hakozaki-Hachiman shrine. The architural feature of the shrine consists of nine special spans. My paper on the architectural aspects of this shrine consists of these seven parts. 1 Introduction. 2 The first construction in A. D. 923. 3 The construction in 1072. 4 The construction in 1275. 5 The construction in 1282. 6 The present construction since 1546. 7 Consideration Hakozaki-gu-mongyo. Iwashinizu-mongyo.

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ON THE ORGANIZATION AND THE ENGINEERS OF THE BUREAU OF THE IMPERIAL PALACE CONSTRUCTION

SHIGEKATSU ONOGI

Article type: Article
1972Volume 195 Pages 75-81,98
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_75

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The construction of Meiji Kyuden (the Imperial Palace) was commenced in 1883 and completed in 1888. The Bureau of the Imperial Palace Construction was the largest system of constructions in Meiji Era which was set up in 1882 and employed many engineers. These engineers were constituted writh the engineers of the Department of Public Works and the Imperial Household Agency and the other office. This paper describes on the change of the organigaation, the number of engineers, their past record, their careers in the construction works and considers on the significance which the Imperial Palace Construction had in the process of the development of Meiji Era's architectures.

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ARCHITECTURE AND SOCIALITY : 1 Study on the flowering phase of Modern architecture : A Standstill in the advanced nations and the achiivement of the less advanced nations

HAJAME SUZUKI

Article type: Article
1972Volume 195 Pages 83-94,98
Published: May 30, 1972
Released on J-STAGE: August 22, 2017

DOIhttps://doi.org/10.3130/aijsaxx.195.0_83

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