Transactions of the Architectural Institute of Japan

[title in Japanese]

Article type: Cover
1962 Volume 77 Pages Cover1-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_Cover1

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[title in Japanese]

Article type: Cover
1962 Volume 77 Pages Cover2-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_Cover2

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[title in Japanese]

Article type: Appendix
1962 Volume 77 Pages App1-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_App1

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[title in Japanese]

Article type: Index
1962 Volume 77 Pages Toc1-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_Toc1

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[title in Japanese]

JINICHI TAKEDA, HIROYUKI TACHIKAWA

Article type: Article
1962 Volume 77 Pages 1-6
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_1

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This is the report on the compressive, tensile and flexural tests in high rates of loading on the eight kinds of concretes, specified with their aggregates and admixtures. The loads were applied at stress rates ranging from those of static tests to about 10^5kg per sq cm per sec. Both load and strain were measured by means of wire strain gages, and recording of the data were made with six elements cathode ray oscilloscope. From these tests, the following results were observed. On Compressive Tests; The failure of most specimens occurred abruptly as soon as their stress reached the ultimate strength. Compressive strength, strain measured at the maximum stress, modulus of elasticity and absorbed energy of each of the concretes increased with the rate of application of the load. Poisson's number of these concrete also showed the same tendency. On Tensile Tests; The tensile strength of each of the specimens produced by the splitting tests increased markedly with the rate of loading and the strains observed at failure in the high rate tests were substantially greater than the corresponding strains in the static tests. On Flexural test; The flexural strength of each of the concretes increased significantly with the loading rate. The neutral axis of the specimens held a nearer position to the surface of the Compressed part in the tests of the highest rate of loading than that in the static tests.

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2) BEARING CAPACITY OF VARIOUS POST-TENSIONED ANCHORAGE SYSTEMS : Part 1. Tests on Freyssinet Anchorage System

SHIZUO BAN, HIROSHI MUGURUMA, SHIRO MORITA, SHIN OKAMOTO

Article type: Article
1962 Volume 77 Pages 7-12
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_7

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For the purpose, of obtaining the basic data for standardizing the testing method and for specifying the bearing capacity requirement on post-tensioned anchorage systems for the practical use, direct tension tests are being carried out on various anchorage systems. In this report the direct tension and sustained loading test results on Freyssinet Wedge anchorage for 12-φ 5mm or 12-φ 7mm cable were discussed in terms of bearing capacity, slippage of wires from the anchorage cone and sinking of male cone into female cone. Two types of spesimens were prepared in the tests, one having the female cone cast into the solid steel pipe case and another cast into the concrete block. The former was used for the tensile failing and sustained loading tests by Amsler type testing machine and the latter for the tencile strength tests by hand treating oil jack. In the direct tension tests, the anchorage cone cast into concrete block showed the sufficient anchorage capacity until the wire was failed in tension or the concrete block in compression. The apparent average failure load was 95% of the specified tensile strength of cable. However, in tests on specimen having the female cone cast into the steel pipe case the excessive slippage of wire from the cone as well as the obvious sinking of male cone into female cone was recognized prior to the shear failure of wire at the bend near the anchorage cone. The failure load was about 85% of the Specified strength of cable. From the results it can be concluded that the anchorage capacity is remarkably related to the testing method. From the sustained loading tests under specified allowable tensile load of cable itwas sure that a little time-dependent slippage of wire or slinking of male cone occured during first 30 hours justafter the loading and after that no obvious deformation were recognized.

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3) BUCKLING OF THIN CYLINDRICAL SHELL ROOFS

ICHIEI TSUGE

Article type: Article
1962 Volume 77 Pages 13-18
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_13

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In this paper, elastic buckling of a partial circle thin cilindrical shell simply supported at each end with the longitudinal edges free is investigated for the case of uniform radial loading. In the begining, buckling load qck gives an approximate analysis using the energy method. Figure 4.5 shows qraphically the results obtained for a shell with, l/r: 2.5〜3.5, t/r: 1/1000〜20/1000, φ_0: π/6〜π/2 in the next place, loading test of this type are made. An error of experimental values was a range of about 2 to 40 per cent.

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4) THE MEASUREMENT OF SOUND ABSORPTION COEFFICIENT IN THE NEW REVERBERATION ROOM OF NIHON UNIVERSITY

SYO KIMURA

Article type: Article
1962 Volume 77 Pages 19-24
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_19

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In this paper, the characteristics of our new reverberation room and some problems of sound absorption coefficient measurements in this room are discussed. The reverberation room of Nihon University has an irregular pentagon shape with a volume of 170m^3. At 500c/s, the reverberation time in the empty condition is about 15 sec. As the sound source, a warble tone is used. The results of our experiments shows that the modulation frequency of the warble tone should be between 10/T and 20/T, that is 1c/s〜4c/s in this room, and the recommendation of ISO draft, where it is stated independently on reverberation time that modulation frequency should be "about 6c/s," is not reasonable. In order to get a diffuse sound field in the reverberation room with a very absorbent sample such as glaswool or rockwool, it is more effective to devide the sample in more areas. For example, the sample areas of 5, 10, 15 and 20m^2 should be devided into 2, 3, 4 and 5 areas respectively. In this case, the absorption coefficients α of glass wool, 25mm thick, 10kg/m^3, are proprotional to E, the length of free edges per unit area of the sample. And the absorption coefficient calculated from London's statistical formula using tube datas correspond to E=0. When a single area of 10m^2 of the glass wool is used, the values of α are too low due to the lack of diffusivity. For the sample of soft fiber board, whose α is less than 0.5, however, absorption coefficient does not depend on the position of the test sample.

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5) EXPERIMENTAL STUDY ON THE INFLUENCE OF COLOR UPON SIZE-SHAPE-CONSTANCY

MASAMI KURODA

Article type: Article
1962 Volume 77 Pages 25-29
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_25

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Twenty persons observed the square boards, each side 35cm long, painted in red, blue, yellow and white, at the various positions, and then drew their perceptual figures of the boards by the "drawing method". And it was found that the color does not influence upon the size-shape-constancy.

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6) THE ARCHITECTS OF THE DE STIJL GROUP

HIROSHI YAMAGUCHI

Article type: Article
1962 Volume 77 Pages 30-35
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_30

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Having mentioned of van Doesburg in the previous treatise, here I deal with the other nine architects and interior designers, among whom major emphasis are placed on Oud, Rietveld and Eesteren. 1. Oud: Though he left the group early in 1920, his thought, Neue Sachlichkeit, had a great influence on the others. 2. Rietveld: He was the first architect and designer that created the furniture and the dwelling house founded on the principle of De Stijl. 3. Eesteren: Though he took part late in the group in 1923, his architectural method much helped Doesburg to deepen his view of architecture, which was crystalized in the fifth manifesto "Toward the plastic Architecture".

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7) THE STUDY ON THE LECTURE HALL OF ENRYAKUJI

JIRO MURATA, TOSHIO FUKUYAMA, KOJI NISHIKAWA

Article type: Article
1962 Volume 77 Pages 36-41
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_36

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In nara period, the great and main temples and monasteries had clustered in and around the capital on the plain. But at the outset of the ninth century the rise of the new sects of Tendai and shingon, was accompanied by a marked change in the character of newfounded religious establishments, And the introducers of the new sects, in establishing their headquarters instead on the secluded mountain tops of Hieizan and Koyasan, seems to have been motived at least in part by a spirit of ascetic reform. On the Mt. Hiei, the territory occupied by Enryakuji is so irregular that any formal combination at large scale is impossible. And Enryakuji is divided in three part, Toto, Saito and Yokokawa. The lecture hall we mention here is situated in Toto. We survey the evolution of this lecture hall by documents and the excavation on this site. i. The survey by old documents. The documents tell that the lecture hall has been ten times burnt and rebuilt. The first building was founded before the middle of 9C, and its plan type was 5Ken 4men which means that the chancel was 5 bays long, and that there were aisles on four sides. But that building was burnt down in 966 and was rebuilt in 971. Thence the hall was enlarged 7Ken 4Men. Afterward, in 1285 the lecture hall had the attached fore hall indicated by the term Raido, "Hall for worship". This plan-type was followed by the building in the "Kanei period". ii. The survey of the excavation. By the excavation in July-August 1961, we found only three layers of newer foundation. We conjecture that three layers will show that the Building III belongs to Kanei period, Building II to Tenmon period and Building I to Oei period. We have ascertained it by strateography and construction of foundation that the table land and the surface of older basement was perhaps several times cut off by the enlargement of building plan, so trace of the building before Kamakura period is left. The foundation of Kanei period was so carefully and rigidly constructed that it was quite suitable to support the heavy two-storeyed building.

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8) OMIYA-GO IN THE PRECINCTS OF DAITOKUJI TEMPLE & A MAGISTRATE'S HOUSE AND VILLAGE MEETING HALLS IN THAT PLACE

MITSUGU KAWAKAMI, NORIO NAGAI

Article type: Article
1962 Volume 77 Pages 42-47
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_42

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Omiya-go was in the suburban region at Kyoto in Edo period, in present day it is a part of Kyoto city, called Shichiku. The site of Omiya-go was east and north side of Daitokuji temple. It consisted of six villages, and most of houses in their villages sited along Omiya-Road. In Edo period, since the site of Omiya-go lay in the precincts of Daitokuji temple, the inhabitants in there was administered by Daitokuji temple. Consequently, the documents relating to Omiya-go are preserved in Honbo of Daitokuji temple. By making use of them (bills of saling houses, applications for building houses, e.t.s), we are studying on the domestic architectures in Omiya-go. In this report, as the first step, we aim to make clear the regional, political, and economical surroundings of Omiya-go in Edo period. Besides, in connection with this contents, we mention to a old drawing of Daikan's mansion, and introduce one example of Sodo (assemble house in a village).

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[title in Japanese]

[in Japanese], [in Japanese]

Article type: Article
1962 Volume 77 Pages 48-53
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_48

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[title in Japanese]

[in Japanese]

Article type: Article
1962 Volume 77 Pages 54-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_54

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[title in Japanese]

Article type: Bibliography
1962 Volume 77 Pages 55-57
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_55

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[title in Japanese]

Article type: Appendix
1962 Volume 77 Pages 58-
Published: September 30, 1962
Released on J-STAGE: August 30, 2017

DOIhttps://doi.org/10.3130/aijsaxx.77.0_58

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