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- Transactions of the Architectural Institute of Japan Summaries of Technical Papers
Volume 151
Displaying 1-13 of 13 articles from this issue
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Article type: Cover
1968Volume 151 Pages Cover1-
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (41K) -
Article type: Cover
1968Volume 151 Pages Cover2-
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (41K) -
Article type: Index
1968Volume 151 Pages Toc1-
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (40K) -
Article type: Appendix
1968Volume 151 Pages App1-
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (22K) -
REIICHIRO FUKUDAArticle type: Article
1968Volume 151 Pages 1-6,69
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSAlthough aggregates have been generally classified lithologically, minerallogically, chemically, physically and geometrically, they would be subjected also to a classitication from the viewpoint of physical chemistry. On trying to classify them by the streaming potential, it is found that each kind of aggregates has an individual potential value. Sedimintary rock gives streaming potential of 5 to 100mV, while Igheous rock more than 100mV. Metamorphic rocks are between 37 to 49mV. Minerallogically, quartz, feldspar and limestone give 138mV, 114mV and 24mV, respectively. Chemically, the higher content of solble SiO_2 shows the higher potential and the relation between them is expressed by ST=890SS+401.3 where ST means the streaming potential and solble SiO_2 Content. It is considered that SiO_2 affects the potential to the negative side and CaO+MgO having +2 ion affects it to the positive side, but Fe_2O_3 or Al_2O_3 having +3 ion gives no effect on the potential because of its insolbility to water. In general, the aggregates generate ions on their surface by contacting with water and, at the same time, am irregular ionic distribution occurs in the water, then the streaming potential is to be measured when water is trans-ferred by pressure, so that it is possible to distinguish whether the aggregates react easily with an aqueous solution or not. As an example of an aggregate extremely reactive with aqueous solution can be mentioned alkaline reactive aggregates. The alkaline reactive aggregate is charecterized by the high content of soluble SiO_2, K_2O+Na_2O. Byrex glass consistes many of them and its spotential is very great value.View full abstractDownload PDF (602K) -
HOKATO EGAMIArticle type: Article
1968Volume 151 Pages 7-14,69
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSIn the previous report, a new method of composing Sandwich Curtain Wall was proposed. The Curtain Wall is made in the following way. 1. Steel-bar-grid is attached to the structural frame. 2. This grid is sandwiched between two special concrete plates. 3. These two are combined by concrete set between them. 4. By the previous experimental study in which 1.8m steel bars were employed, this method of composing Sandwich Curtain Wall is shown to be eassy, exact and rapid. The present paper deals with the experimental study on composing the Sandwich Curtain Wall inside of the wood frame (3.04m×6.04m). The results obtained are as follows : 1. It is not necessary to set stud in the fram. 2. Only vertical steel bars need to have hardness and horizontal bars only have to be united with that. 3. This method of composing Sandwich Curtain Wall is easy, exact and rapid. 4. Concrete placed between the panels can hold these panels tight around the frame. 5. Transportation by truck causes very little damage to the panels.View full abstractDownload PDF (1317K) -
BEN KATO, HIROSHI AKIYAMAArticle type: Article
1968Volume 151 Pages 15-20,70
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSSeismic force and wind force act on the structure repeatedly. Load-deflection curve under repeated loading is sought after. The relation between the curve oder repeated loading and the curve under monotonous loading is deduced, and is expressed in a schematical pattern, which is examined by experiment.View full abstractDownload PDF (825K) -
ISAMU MORITAKA, TOSHIKAZU TAKEDAArticle type: Article
1968Volume 151 Pages 21-29,70
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSIn culculating the inelastic earthquake response of a multistory building, we usually substitute a shear vibration system for that multistory building to make it more simple. In this paper, however, a bi-linear force-elongation property is prescribed for member of the truss structure, and the inelastic earthquake response analysis is carried out. First, we led the dynamic equilibrium equation, and the assumption on which numerical analysis was made by using a digital computer was discussed. Then, the resultes of the response of this truss system were compared with those of the replaced shear vibration system in which spring constantes were decided by forces corresponding with the first mode shape of the truss system.View full abstractDownload PDF (1034K) -
BEN KATO, ATSUO TANAKAArticle type: Article
1968Volume 151 Pages 31-38,70
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSIn order to investigate the stiffness and strength characteristics of high strength bolted beam-to-column connections with T-stubs under large lateral forces, some experiments with full scale specimens were carried out. The main series consisted of specimens with various ratio of the separation load of T-stub connection to the strength of panel zone, which means the crossing part of beam and column. Specimens with welded connections were also used for comparison. The main results are as follows. When the separation load of T-stub connections is larger than the two-thirds of the strength of panel zone, the behavior of beam-to-column connection is subjected mainly by the behavior of panel zone, and the influence of T-stub connections is hardly recognized. But the smaller gats the separation load of T-stub connections in comparions with the strength of panel zone, the more decreses the ductility of the beam-to-column connection. The deformation of panel zone of the high strength bolted beam-to-column connection with T-stubs is somewhat larger than that of usual welded beam-to-column connection. When this type of connections are subjected to alternating repeated loads, which enter the plastic range, the behavior of the connections does not show the essential change compared with the welded connections. In the final analysis this type of connections would be used practically in Japan, where the large lateral forces due to typhoon and earthquake apply to the structures, when the design of the connections is right.View full abstractDownload PDF (1223K) -
YOSHIICHI UWAMINO, HIROSHI IIZUKA, SADAICHI MASHITA, S. KOBAYASHIArticle type: Article
1968Volume 151 Pages 39-44,70-71
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThis paper treats the wear by aging of steel sash in order to contribute fundamental data for building maintenance. Twenty two telephone and telegraph office buildings aged from two to fifty years in Kinki district were selected and their sashes were observed and measused when the buildings were extended or repaired and sashes were removed. As result, the bollowing conclusions were obtained : 1. The relation between wear of sash frames and ages for older ones (20〜40 years) nearly agrees to Kobayashi's formula, y=0.5t^<1.3>. 2. But for newer ones (less than ten years), because of improvement of painting and adoption of caulking, etc, . wear is somewhat small and relation with ages is y=0.24t^<1.29>. 3. According to the measurement of corrosion about removed sashes, their corners are most greatly worn. Adoption of stainless steel for the sill and the lower part of the vertical (10cm high) is very evective. 4. Concerning painting of sash, erosion of oil paints appear from 200 hours in the weathering test. Synthetic resin paints are hardly changed in the weathering test of 1, 500 hours, but changed a little in the salt spray test of 1, 700 hours. So it is recognized that synthetic resin paints are rather durable than oil paints.View full abstractDownload PDF (1244K) -
SOUJI IWAIArticle type: Article
1968Volume 151 Pages 45-50,71
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThis report deals with the analysis of the correlation matrix by the method of factor analysis. The matrix consists of 15 variates that are related to building planning of rural public elementary schools in Hokkaido. The size of each variate is 130 and the picked out variates are as follows : (1) Households; (2) Population; (3) Average distance from the school to a grocery shop, a clinic, a hospital, a public hall, a cinema, a police box, a bus stop and a railway station(km); (4) Enrolment; (5) Classes; (6) Teachers; (7) Outdoor playing space (in Tsubo); (8) Number of years since building; (9) Attendance area (km^2); (10) Outdoor playing facilities; (11) Classroom; (12) Main teaching facilities; (13) Social club activities; (14) Use of broadcast and television instruction; (15) Use of the classroom by the inhabitants, in each school and its district. A four factor pattern is derived from this matrix, and the first factor is found to contribute about 40.2% of the variance and the second about 9.5%, the third about 8.7%, the fourth about 8.5%, making about 66.9% for the four, and the final factor solution is obtained by the varimax rotation. The first of these factors is named "fundamental factor". the second is "the regional difference factor", the third "the facilities factor", and the fourth "environmental factor", respectively. Finally, the factor scores for individual schools are calculated.View full abstractDownload PDF (790K) -
SATOSHI MIYAZAWAArticle type: Article
1968Volume 151 Pages 51-56,71-72
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThe form of shrines' main halls are classified into the four types. And each type can be subdivided further. The classified list as follows : [table] Some of these subdivided types which have a feature of the geograpical distribution are explained. (1) NAGARE-ZUKURI, Kohai-tsuki type; This type is distributed mainly in the Shiga Prefecture. In the Prefectures of Kyoto, Nara and Hyogo, only the ordinary type is distributed. (2) KASUGA-ZUKURI; The ordinary type is distributed in the small region of the Nara and near. The Sumigiiri type is distributed in the area except Nara and near.View full abstractDownload PDF (1559K) -
KINYA SEKIGUCHIArticle type: Article
1968Volume 151 Pages 57-68,72
Published: September 30, 1968
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (2029K)
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