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- Journal of Structural and Construction Engineering (Transactions of AIJ)
- Transactions of the Architectural Institute of Japan Summaries of Technical Papers
Volume 74
Displaying 1-16 of 16 articles from this issue
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Article type: Cover
1962Volume 74 Pages Cover1-
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSDownload PDF (45K) -
Article type: Cover
1962Volume 74 Pages Cover2-
Published: 1962
Released on J-STAGE: August 30, 2017
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Article type: Appendix
1962Volume 74 Pages App1-
Published: 1962
Released on J-STAGE: August 30, 2017
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Article type: Index
1962Volume 74 Pages Toc1-
Published: 1962
Released on J-STAGE: August 30, 2017
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TOSHIO MARUICHIArticle type: Article
1962Volume 74 Pages 1-6
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThe moisture, which works their way up from the earth in concrete on and felow grade, is inclined prevent or destroy satisfactory bonding of adhesives by shear physical displacement. This report describes that (1) warping and floating of plastic floor tiles mainly cause by absorbing or removing moisture, (2) these displacements are influenced by amounts of ground moisture and the variety of tiles, and (3) necessary bonding stress to fix floor tiles could be estimated by geometrical analysis of warping of them.View full abstractDownload PDF (981K) -
MASAMORI KATOArticle type: Article
1962Volume 74 Pages 7-11
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThe determination test on the consistency of the caulking compound as a building material were suitable for the extrusion or injection gun, however we have not found the test procedure on the workability of them. In order to dertemine the workability of the commercial caulking compounds, the author have investigated the effect of temperature, extrusive pressure and dimension of the nozzle in the extrusion experiment using the sealing gun and the effect of temperature in the penetration experiment using the penetrometer. The results obtained are as follows: (1) The extrusion experiment by sealing gun was a suitable experiment of the workability and the flow velocity were influenced by the temperature, the extrusive pressure and the dimension of the nozzle. (2) The penetration was influenced by the temperature same as aboue. (3) The relationship between flow velocity and penetration was recognized, though both experimental results was quite different from each other.View full abstractDownload PDF (478K) -
HISAJI OSHIMAArticle type: Article
1962Volume 74 Pages 12-16
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESS(1) The objective of the study: Consequent upon the study of reinforced concrete using sea sand containing salt in fine aggregate, this study aims at investigating the influences on the corrosion of steel bars due to water-profing agents and surface-active agents containg salt, and obtaining informations on determining their suitability. (2) The method of the study: Firstly the content of Cl due to CaCl_2 or others, and pH of water-proofing agents and surface-active agents on the market were investigated. In the case of those acidic and containing Cl, the corrosion of bars was tested in the solution saturated with calcium hydroxide containing these admixtures by means of surveying the changing process of natural electrode potential. (3) Conclusion: (a) Among twenty four water-proofing agents on the market, four were found unsuitable to the use for reinforced concrete. These four contained Cl, one of then being acid and the others alkaline, but these all showed strong alkality in the solution saturated with calcium hydroxide. Nineteen others were not or very rare containing Cl, and found suitable to the use for reinforced concrete. (b) Among twenty seven surface-active agents, six were acid and seven containing Cl, but these all showed strong alkality in the solution saturated with calcium hydroxide. Though five of them contained especially greater quantity of Cl, they were all found not conducive to the corrosion of bars. This result, despite these greater content of Cl, shall be ascribable to the fact that these have some characteristics such as corrosion inhibitor. But one of seven contained Cl was found unsuitable to the use for reinforced concrete. This shall be caused by nothing of some characteristics like corrosion inhibitor. (c) I recomend that some water-proofing agents and surface-active agents having greater content of Cl should be admixed with corrosion inhibitor such as K_2CrO_4 or NaNO_2.View full abstractDownload PDF (828K) -
MASAHIDE TOMIIArticle type: Article
1962Volume 74 Pages 17-20
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThe author shows 10 figures of the relations between the shearing deformation and the rate of shearing force to maximum shearing load, concerning the author's 19 models and others, 22 models. From these figures, the following results are indicated. 1. If the opening factor [numerical formula] where h': inside height of the boundary frame l': inside length of the boundary frame h_0: height of the opening l_0: length of the opening of the quake resisting walls is not larger than 0.5, the relations shown in the figures are nearly equal to the relations in the case of ξ=0 (without opening). 2. When ξ≤0.5, if the shearing deformation becomes about 4×10^<-3>, the shearing force reaches maximum, and some quake resisting walls show brittle collapse. 3. When ξ>0.5, the relations shown in the figures come near to the case of ξ=1 (frame only), and the shearing deformation at maximum shearing force increases with ξ. Remark: The author has reported the case without opening in Transactions of The Architectural Institute of Japan No. 69 Part I, Oct. 1961.View full abstractDownload PDF (468K) -
TAKASHI SHODA, TATSUJI TERASAWAArticle type: Article
1962Volume 74 Pages 21-25
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThe apparatus for testing air-tight of sashes made in our laboratory was reported with its performance elsewhere. For testing water-tight and strength against wind pressure, the water spray system and the booster blower were equiped in addition. It is thought that this sort of testing apparatus are increasingly needed for the development of curtain wall units including sashes. The construction and performances to the three purposes mentioned above are described with the methods of measurements.View full abstractDownload PDF (955K) -
ISAO SENUMAArticle type: Article
1962Volume 74 Pages 26-30
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThe dust samples collected from 6 a.m. to 10 p.m. by the Owen's jet in the open air and in rooms were determined the particle-size distribution in use of the microprojector. As the result, it is ascertained that by the distribution curves of particle-size every hour shown in Fig. 1 (a)〜(l), the distribution curves of particle-size of indoor dust are similar to the curve of outdoor dust, and the deviations in each distribution every hour are very small. So the average distribution curve of each time is almost equal as Fig. 2. While, about fallen dusts in the room diameters of particles were measured with same aparatus, and the distribution curves at every 10cm distance from window are shown as Fig. 4 (a)〜(e). Fig. 6 or 7 shows the relation between the ranges of particle-size of fallen dusts and the distance from window. As another method of treating the data is to plot the cumulative percentage of particles for the different class intervals, percentage less than a stated size, against the size on normal probability paper, logarithmic probability paper and Rosin-Rammler distribution paper, and draw the best straight line through the points. From this line, which distribution curve assumes the data is considered.View full abstractDownload PDF (631K) -
TOSHIO OJIMAArticle type: Article
1962Volume 74 Pages 31-36
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThis paper gives answers for the following questions. On the Air-conditioning systems, (I) which kind of the Window-Glasses (Drawn sheet glass, 3mm, 6mm: Heat absorbing glass "Bluepane", 3mm, 6mm: Thermopane multiple glass, 12mm, 16mm) is the most economical? (II) How much are the economical-balancing-costs of the "Louver"? In the first half of this paper the general solutions for them are presented. That is φ_a and φ_b are shown approximately with linear functions of heat loads: [numerical formula] So, the moste conomical window on the Air-conditioning may be computed from following expression: By the way,[numerical formula] where, φ_a: annual fixed charges: boilers, burners, ducts, refrigerators, air-conditioners, pumps, cooling towers. \/year φ_b: their annual operating costs \/year φ_w: annual window cost \/year C_L: Economical-balancing-Costs of Louver \ q: heat loads kcal/hr q_<GR>: radiation loads through glass q_1: heat loads without louver q_2: heat load with louver k_s: louver coefficient. α, β, γ, δ: constants concerning with the localities. In the latter half of the paper, the practical solutions calculated from the general ones are presented, i.e., (Step 1) to select a standerd office building (3,600m^2 5 FL & 1 BFL) (Step 2) to calculate φ & C_L in Tokyo, Sapporo, Kumamoto, (Step 3) to draw the graphs showing the relations C_L-k_s and φ-glasses in order to compare and read easily their value. As the results, "Bluepane 3mm" is the best window-glass, and etc., (Step 4) to explain its use with four examples.View full abstractDownload PDF (735K) -
TOSHIHIKO OTAArticle type: Article
1962Volume 74 Pages 37-42
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSThis report is concerned with a design technique applying the study of planning method to practice. The buildings, inner functions are so complex, for instance hospitals or schools, are able to be planned dividing to some blocks. Then, combination of these blocks should indicate some patterns of building plan. When the number of dividing blocks, and the combination of these blocks are found by research, there should be some relationship between the number of blocks and the number of connecting lines. This study is a trial to conduct the pattern of plan previously from this relationship. Generally, the classification of blocks in a building is decided by inner requirement of qualitative separation. These blocks however, sometimes must be connected with each other closely. Or, these connections are regarded as a traffic route in the building, accordingly they should not intersect each other. When faced with the task of designing a building so complexity, the architect first would consider about the relationship among some blocks, then they should design gradually the concrete building thinking over the size of blocks, weight of traffic routes, or the site condition. Accordingly, to analyse technically these processes of design it had better treat them each stage. As the first stage of this study, this report is an analysis on combination of blocks being regarded as points. The former report, in this stage, was an analysis of mutual relationship among the several blocks. This succeeding report is an analysis of condition whether the block is closed to the outside by the others. This condition could be gotten before designing concretely, and this method would be useful to confirm the inner requirement of the building in the preliminary stage of design.View full abstractDownload PDF (555K) -
[in Japanese]Article type: Article
1962Volume 74 Pages 43-44
Published: 1962
Released on J-STAGE: August 30, 2017
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[in Japanese]Article type: Article
1962Volume 74 Pages 45-46
Published: 1962
Released on J-STAGE: August 30, 2017
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[in Japanese]Article type: Article
1962Volume 74 Pages 47-
Published: 1962
Released on J-STAGE: August 30, 2017
JOURNAL FREE ACCESSDownload PDF (206K) -
Article type: Bibliography
1962Volume 74 Pages 48-50
Published: 1962
Released on J-STAGE: August 30, 2017
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