Transactions of the Architectural Institute of Japan

[title in Japanese]

Article type: Cover
1963 Volume 88 Pages Cover1-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_Cover1

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[title in Japanese]

Article type: Cover
1963 Volume 88 Pages Cover2-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_Cover2

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[title in Japanese]

Article type: Appendix
1963 Volume 88 Pages App1-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_App1

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[title in Japanese]

Article type: Index
1963 Volume 88 Pages Toc1-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_Toc1

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[title in Japanese]

Article type: Index
1963 Volume 88 Pages Toc2-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_Toc2

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A NOTE ON THEORY OF UNIQUENESS AND STABILITY IN ELASTIC-PLASTIC STRUCTURES

HISASHI TANAKA

Article type: Article
1963 Volume 88 Pages 1-5
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_1

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This is a review-note on uniqueness and stability criterions in incremental theory of plasticity. A simple truss consisting of two members is introduced as a model structure for expanations of the theory. A sufficient condition of uniqueness is given as follows: [numerical formula] Where l_i, N_i, e_i, α_i, denote length, axial force, elongation and rotation angle of the i th member, respectively, &lrtri; denotes the differences of the quantities corresponding two different virtual modes, and ・ denotes d/dt. A sufficient condition of stability is also given as follows: [numerical formula].

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ON THE BENDING SOLUTION AND THE MECHANICAL CHARACTERISTICS OF THE GENERAL HYPERBOLIC PARABOLOIDAL SHELL (2)

TOSHIO NISHIMURA

Article type: Article
1963 Volume 88 Pages 6-11
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_6

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Continued on the literatur (I), it was studied particularly in regard to the general hyperbolic paraboloidal shell in the case such as the anticlastic curve is orthogonal in a series of the studies regarding the hyperbolic paraboloidal shell. As the method, calculus of finite difference was applied from the viewpoints of engineering. Under the conditions which support two points in the toe part of shell and the circumference of shell, the bending numerical analysis about the full-sized structure was practised. Based on its result, the mechanical properties of the hyperbolic paraboloidal shell following the variations of rise h_y and antirise h_x were clarified. In this case, it was divided into two main conditions in which the toe part of the hyperbolic paraboloidal shell is restrained or not perfectly. And about its each case, various risevariations were shown and the properties on the occasion were investigated. Moreover, by embracing both properties, the mechanical properties of the general hyperbolic paraboloidal shell were made plain synthetically and a conclusion which will become a matter for design was obtained.

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THE EXPERIMENTAL STUDY ON THE ROOF VENTILATOR

CHITOSHI KATSUTA, TAKESHI SEKINE

Article type: Article
1963 Volume 88 Pages 12-21
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_12

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1. In order to calculate the quantity of natural ventilation caused by the ventilator which equipped in construction (see Fig. 1), the following equation should be used as practical. [table] where [table] and [numerical formula] where P_0; wind pressur on vetilator head, kg/m^2 C_<0s>; coefficient of static wind pressure at ventilator head C_<0d>; coefficient of dynamic wind pressure on ventirator head α; wind velocity radio [numerical formula]; pressure loss of vetilator entrance & elbow, kg/m^2 [numerical formula]; pressure loss of straight part of ventilator, kg/m^2 ζ_v; loss coefficient of ventilator head v; wind velocity in ventlator P_i, C_i, ζ_i,V_i; see another report. 2. As for the loss coefficient of ventilator head, following equation is explained. [table] and [table] where P_s: static pressure at ventilator neck, kg/m^2 P_0: total wind pressure at ventilator neck when air move in ventilator is stopped, kg/m^2 V_v: wind velocity near the ventilator head, m/s θ_x: vertical wind direction at ventilator head. The relation between the v/V, θ_x and ζ_v about many kinds ventilator which show Fig. 2 are ilustlated in Fig. 4〜13.

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LABYRINTH PLANNING METHOD FOR A PASSAGE OF A HOT CELL (PART 2) : Experimental Study of Pocket Effects of Labyrinth for Protection of Gamma-Rays

MASAHISA SAKUDA

Article type: Article
1963 Volume 88 Pages 22-26
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_22

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Effects of labyrinth for protection of Gamma-rays are well known and practically applied already. This experimental study aim is to confirm quantitatively pocket corner effects of labyrinth to use it for entrance of Gamma-ray hot cell facilities. The 1/3 scale model labyrinth made with ordinary concrete blocks is used in this experiment and is measured the dose rate by the pocket chambers and cobalt-60 point source. The pocket corner effects of the labyrinth (walls and ceiling) in this experiment are estimated by the method of the calculation already stated. After measuring the dose rate in the labyrinth, compared the two group dose rates (calculated and measured in this experiment) to confirm the evaluation of the corner effects of the labyrinth. This experiment results are followings: 1. The pocket corners are effective and dose albedo changing methods to zero for pocketing walls, ceil and floor are confirmed quantitatively. 2. This estimating method of the effects of the pocket corner of labyrinth for gamma-ray protection will be applied practically.

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[title in Japanese]

[in Japanese]

Article type: Article
1963 Volume 88 Pages 27-
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_27

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[title in Japanese]

Article type: Bibliography
1963 Volume 88 Pages 28-29
Published: August 30, 1963
Released on J-STAGE: September 20, 2017

DOIhttps://doi.org/10.3130/aijsaxx.88.0_28

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