Transactions of the Architectural Institute of Japan

[title in Japanese]

Article type: Cover
1966 Volume 125 Pages Cover1-
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_Cover1

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[title in Japanese]

Article type: Cover
1966 Volume 125 Pages Cover2-
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_Cover2

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[title in Japanese]

Article type: Index
1966 Volume 125 Pages Toc1-
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_Toc1

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ON THE ESTIMATION OF THE MAXIMUM MEAN WIND SPEEDS LIKELY TO BE EXCEEDED ONLY ONCE IN 50 YEARS IN JAPAN

MITSUO NAKAHARA, RENICHI SAITO

Article type: Article
1966 Volume 125 Pages 1-7,65
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_1

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In this report, estimated maximum wind speeds. About 300 points are selected from all parts of Japan except mountains areas, and estimation of the wind velocity is made based on the location of the point, landshape, height and other factors which may affect the wind speed. Out of them about 140 points have observed data, and their calculated results accord to the observed values well. Wind speeds of the poinds likely to be exceed only once 50 years (at 10m above the ground level) are tabled and plotted on the maps as wind velocity distribution. Coeffiecients for different return periods are also proposed. Authors hope that the data presented may contribute to the study in this field as well as to practical design of structures for wind pressures.

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RESEARCH ON THE ELASTO-PLASTIC ANALYSIS OF STEEL SECTION SUBJECTED TO ALTERNATIVE LOAD (Part 4)

HIROTO HAGURA

Article type: Article
1966 Volume 125 Pages 8-13,65
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_8

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The experimental study, on the rectangular steel section subjected to alternative bending moment under constant axial tension, are carried out for the purpose of supported the theory, that previously presented (part 1. 2). The results of experiment are following 1) Assumptions on the theory are adequate untill strain become to the strain hardening region. 2) The theortical shake-down load are atested experimentaly, and when bending moment over that shake-down load, the strain are increasing by alternative moment, and incremental strain are coincide with theortical value.

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STUDY ON ELASTIC AND PLASTIC BUCKLING OF THIN SHELL ON BASIS OF POTENTIAL THEORY

ICHIEI TSUGE

Article type: Article
1966 Volume 125 Pages 14-23,65
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_14

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ROCKING VIBRATION OF STRUCTURES WITH PILES : Part 1 Statical Spring Constants on Surface of Pile and at Bottom of Pile

SHIZUO YAMAMOTO

Article type: Article
1966 Volume 125 Pages 24-31,65
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_24

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STUDY ON STEAM CURING OF CONCRETE

KAZUHISA SHINOZAWA

Article type: Article
1966 Volume 125 Pages 32-37,66
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_32

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Following the previous report (curing temperature : 100℃, rate of temperature : 80℃/hr., surface pressure by spring : 0.01〜1.4kg/cm^2), the relation between curing conditions and compressive strength at the ages of one day to 91 days has been investigated on 246 concrete cylinders. The test conditions are as follows : Aggregate : river sand and gravel. Water cement ratio : 50, 60, and 70%. Slump : 10cm. Duration of steam curing : 6 hours. Rate of temperature : 15-20℃/hr. Surface pressure : 0.01 and 0.1kg/cm^2. Based on the above test results the following conclusions have been obtained : (1) Evaporation of mixing water and volume expansion of concrete during curing have considerable effects on the strength of concrete. (2) The device of covering and pressing concrete surface during steam curing prevents the deterioration of concrete properties. Using the device, it is possible to make the concrete having approximately the same strength as cured by standard curing (20℃, in water), regardless of holding time, and rale of temperature. Considering above conclusions, an optimum curing condition for 20℃ to 100℃ has been proposed.

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ON ESTIMATING THE SCALE OF FACILITIES WITH CONVERTIBILITY

TATSUO SEKI

Article type: Article
1966 Volume 125 Pages 38-46,66
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_38

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In succession to the previous paper, a method to calculate the waiting time and the member of the queue are investigated with the formulae by Pollazeck-Hinchin, computing the variance and the mean of the service time distribution with a single channel for the case when each function of a convertible facility has duplicated service time with Erlang distribution (including exponential and constant service time). This is available for any case when arrivals come out exponential, not confinded to estimating the scale of facilities with convertibility (that is, to be used in two or more ways or purposes). If the purpose of the facility is single, it is possible to calculate the queue or waiting time when the feature of the users can be described as a combination of some distributions of using time (in the case of Poisson arrival as a whole), such ss, speaking of its application to buildings, estimation of scales of a common waiting room with various distribution of using time, utilization of an operating room with various time distribution of operation according to diseases' or estimation of scale of a parking space taking into account the characters of the environs. (Same is the case of plural channels.)

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REDEVELOPMENT PLAN OF KYOTO-KAWARAMACHI DISTRICT : I. Research

HIROZO SHIRAISHI, YULIN IKEDA, RYOSUKE SUZUKI

Article type: Article
1966 Volume 125 Pages 47-53,66
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_47

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This report comprises an outline of basic research and analysis for a redevelopment plan of Kawaramachi, district commercial center of Kyoto. This district covering the area about 1, 650m (north-south) by about 250m (eastwest), surrounded by Oike, Kawaramachi, Gojo and Gokomachi Street, has been left to take its planless growth and thrown into disorder. We are now to find a way out of the deadlock by planning and executing of its redevelopment. This report consists of next parts ; 1) Introduction 2) Present situation of land use and buildings 3) Building facilities-shops and stores 4) Population 5) Traffic We found that there are large temple sites and graveyards, surrounded by many small shops along the street which is the main shopping and amusement center of Kyoto.

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COMPARISON OF LEVELS OF CONSTRUCTIVE ACTIVITY AMONG REGIONS-PREFECTURES (I)

SYOZI YOSHINO, KIMIKO TOMO

Article type: Article
1966 Volume 125 Pages 54-58,67
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_54

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This report is the analyses of constructive activity level among regions-prefecture, rural or urbau, etc-used as materials the survey of construction works started. The report consists of several chapters. In the report I the purpose, the method of the study and analyses time series are treated. To be spoken specially is next. Levels of constructive activity among regions reply to trade cycle well, but hause investments are hardly influenced by times. This trend is the same as the total of all prefectures.

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A STUDY CONCERNING BOUNDARIES OF STATION INFLUENTIAL AREA

KOUZOU OKUDAIRA

Article type: Article
1966 Volume 125 Pages 59-64,67
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_59

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This is a study to determine boundaries of station influential area in a residential district which is comparatively built-up. Under this situation, any small district which is chosen fruly from this area is thought to be included in one or more station influential areas. Thus this study means to decide the locations of its boundaries. A method to determine its boundaries from deterministic view point, is to locate any set of boundaries in that area, and to choose specific one showing the most value of fitness. As for the boundary between stations, a datum point will be put on a station itself, and in the case of a boundary between railways, the distance from each line will be chosen as that point. But, as a result of this study, it was proved that to determine the boundary deterministically was difficult. Then it is thought to use a probabilistic model for the boundary determination. Then, it was induced from Fermi-Dirac distribution of statistical mechanics which is not deferministic but a prioristic. It is a generalized model which is applicable on such problems as to follow Fermi statistics and handles with occupancy ratio, related to the alternative judgement between two, and that in the case of permitting to collect many similar energy levels to one group. In that model only two parameters are allowed, which show such specific character as commuters and railways. These parameter are cmportant because of giving explanation for transportation facilities and commuters.

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[title in Japanese]

Article type: Appendix
1966 Volume 125 Pages 68-
Published: July 30, 1966
Released on J-STAGE: August 21, 2017

DOIhttps://doi.org/10.3130/aijsaxx.125.0_68

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