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Volume 214
Displaying 1-13 of 13 articles from this issue
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Article type: Cover
1973Volume 214 Pages Cover1-
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (42K) -
Article type: Cover
1973Volume 214 Pages Cover2-
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (42K) -
Article type: Index
1973Volume 214 Pages Toc1-
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
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Article type: Appendix
1973Volume 214 Pages App1-
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSDownload PDF (19K) -
INTENSITY OF FLUCTUATING WIND PRESSURES ON THE SIDE SURFACES OF MODELS WITH LONG RECTANGULAR SECTIONHATSUO ISHIZAKI, JUNJI KATSURAArticle type: Article
1973Volume 214 Pages 1-6,79
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSTo investigate fluctuating wind pressures induced by seperating and reattaching flow, pressures on the surfaces of the two-dimensional models having a rectangular section of the ratio 1 : 7.5 were measured. Power spectra of the fluctuations at the several points on the surface parallel to the flow and rms values distributions along the cross section were obtained. As the result, it was confirmed that two nondimensional parameters √<P^^-n^2/q> (Pf; fluctuating pressure, q; dynamic pressure) and nd/U (n; frequency, d; typical length of the model, U; wind speed) have more effects on the flow characteristics than the Reynolds number between 1.4×10^4 and 2.3×10^5.View full abstractDownload PDF (676K) -
BEN KATO, KOJI MORITA, HIRAO FURUZAWAArticle type: Article
1973Volume 214 Pages 7-15,79
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThe estimation of the size of the artificial defects by the ultrasonic B-scope angle beam testing is investigated experimentally and the results obtained are summarized as follows. (1) The distributions and length of the weld defects in a joint can be recorded with single photograph by the ultrasonic B-scope angle beam testing. (2) The length of the planar defects and two dimensional defects can be estimated by the ultrasonic B-scope angle beam testing almost as well as the X-ray testing so far as adjusting previously the effects of the angle of beam spread. (3) The method to evaluate the shape of weld defects by the ultrasonic B-scope angle beam testing is examined and succeeded to some extent. (4) The height of weld defects can be estimated by the ultrasonic B-scope angle beam testing with some precision so far as adjusting previously the effects of the angle of beam spread (see, Fig.13).View full abstractDownload PDF (1362K) -
HIROSHI TAJIMI, SHINJI ISHIMARUArticle type: Article
1973Volume 214 Pages 17-28,79
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
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MASAMI HANAI, MASAYOSHI KAKU, KAZUTOSHI MATSUFUJIArticle type: Article
1973Volume 214 Pages 29-33,80
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSPrager's hardening rule modified by Ziegler is discussed in terms of generalized force-displacement expression to obtain the constitutive relations between forces and displacements of the beam element which may have plastic hinges at both ends. The present theory well explains Baushinger's effect in the cyclic behavior of the plane steel frame with columns subjected to alternately repeated bending moments under high axial forces as experimented by Dr. Wakabayashi et. al.View full abstractDownload PDF (647K) -
YOSHIHISA IRIEArticle type: Article
1973Volume 214 Pages 35-42,80
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSIn this report characteristics on the shear resistance of void-slabs are investigated in some series of tests with regard to the slab strips parallel to the void direction. It is pointed out that the void-ratios, i.e. the hole diameter to the slab depth ratios, influence the unit shear strength and also failure mechanizms. In the case of comparatively large ratios the unit shear strength is considerably enhanced by the combined effects of the I-type section and the web reinforcement by the winding pipes. In the caseof usual middling ratios, showing shear-compression failure mode, the ultimate shear strength takes about 1.5 times as much as the values computed from empirical formula for ordinary rectangular beams. When the hole diameter becomes small, shear-tension failure appears and the strength is almost equal to that of the corresponding rectangular beams. These results are also supported by a study of the data from some previous tests by other investigators. A simple experimental formula to evaluate these effects is presented.View full abstractDownload PDF (1291K) -
SHINICHI MURAKAMIArticle type: Article
1973Volume 214 Pages 43-50,80
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSIn many previous studies on visual perception, the works on peripheral vision, especially that of concerning the space perception or figure recognition by indirect vision are not so many. The Author introduce a concept named "Perspective Vision", which is a perceptual two dimensional limited expansion. In the Perspective Vision, a polar coordinates system is adopted, where the point of fixation as the origin, and a objective distal point is localized to a certain distance from the origin. In this first report, one dimensional projection scale, on a line which pass through the point of fixation, is constructed by means of psychometric methods in conditions of dark room, monocular and fixed eye. The principal results are shown in Fig. (8) and Eq. (10), where the unit which reprsents the perceived perspective distance in Perspective Vision is named dil, and the magnitude of the dil against the point of fixation is shown as a function of physical peripheral angle. As for the charactor of the scale, Fig. (8) shows a considerable dilatation with the central vision as compared with the equidistant projection or general plane perspective. This charactor is represented by dilatancy ratio as shown in Fig. (10). Further, an approximate graphical solution about the scale is shown in Fig. (12) and Eq. (11)View full abstractDownload PDF (997K) -
YOSHICHIKA UCHIDA, KIMIYA YAMAMOTO, TAKURO YOSHIDA, [in Japanese]Article type: Article
1973Volume 214 Pages 51-58,81
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESS1. Introduction : In this paper, the method, in which a given condition of plan is expresed in mathematics in order to obtain the different plans continuously and automatically by using the random numbers, and the method which calculates wall dimensions of each space about every plan are expalined in detail. 2. Special organization expressed in mathematics : To indicate a variable which has a certain relationship with other variable within a planning co-ordinates in mathematical expressions, it is necessary to make suse whether or not it is independent or dependent variable and also its limiting conditions. In this study, three variations of particular plan are set, and then by using the space matrix the variable lists are derived in which each one of them are classified into independent or dependent. As for the limit condition, they are translated into inequality of independent variables by the method of feed-back. 3. Making and translation of random numbers : For giving the value to each independent variable, the random numbers are used. Random numbers used are of uniform and normal random numbers. The uniform random numbers are used where there is no need to change the density of occuring rnadom sizes as in maximum and minimum sizes in a room. On the other hand, for the sizes that can be branded as the minimum dimension, like width of corridors, the absolute normal round numbers are used. 4. The method of calculate the dimension of wall : To calculate the dimension of partition wall between two spaces and the dimension of perimeter wall in each direction of each space, this would assist to estimate the cost of building element.View full abstractDownload PDF (930K) -
KUNINOBU ISHIIArticle type: Article
1973Volume 214 Pages 59-68,81
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThere are about thirty Buddhist architecture which are supposed to have been built as the eighth century in Japan. Careful and close study of them has been made as to their style or appearance. As to the distribution of bays, especially, it is generally said that measurements of whole number is regarded as the essential factor to decide it. However, it is not clear to me how these architecture were drawn, how these measurements of whole number were given to each bays, how to decide the diameter of columns by means of such a method, and so on. Thus there are some problems which is uncertain and hard to understand their planning. Then, we have found one of ancient module to the distribution of bays in the Kondo (sanctum) and the Gojuto (five-staried pagoda) of the Horyuji West Temple. Earch bays of both are composed of the multiple of the module. Otherwise, we have known, in the Ying Tsao Fa Shih of China in 1100, the module and unit were established to each members, for example, diameter of columns or length of daito (capital) although not clear the relation to the distribution of bays. This study is a research for module and I had tried to make clear the existence of module in the most of the ancient Japanese architecture.View full abstractDownload PDF (1527K) -
HIROSHI TOMIYAMAArticle type: Article
1973Volume 214 Pages 69-77,82
Published: December 30, 1973
Released on J-STAGE: August 22, 2017
JOURNAL FREE ACCESSThis study is based mainly on the ancient documents (Syosoin Monzyo). The greater parts of Syoso stored the rough rice. The rough rice had two types, ear and grain. So Syoso had two types of structure. In seven century, Japanese government had to stock much rough rice, for the establishment of the nation and the fight against the foreign powers. Since the Yayoi period, rough rice was stocked in ear-type, but it was not suitable for the storage. For the purpose of that, the government wanted to store in grain-type. To store be grain was very good method for the storage, for it kept long and very compact. Some Syoso for the stock of ear-type rice looked like barn, and the others for the grain looked like silo. The function for the storage and the managements, imposed the some conditions on the structure. so it influenced many points on the structure of Syoso.View full abstractDownload PDF (1335K)
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