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Article type: Cover
1962 Volume 72 Pages
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Published: May 30, 1962
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Article type: Cover
1962 Volume 72 Pages
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Article type: Appendix
1962 Volume 72 Pages
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Article type: Index
1962 Volume 72 Pages
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Published: May 30, 1962
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SUKENOBU TANI, KAZUNARI KIHARA
Article type: Article
1962 Volume 72 Pages
1-6
Published: May 30, 1962
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In the case to apply compressive load to a steel covered with a concrete, it is our purpose that we know the behabier of the steel. In this paper, we discuss mainly how much the concrete restrains the buckling of the steel inserted in the plate-concrete. If the steel has hinges in the ends, and its axial load isconstant for whole, its buckling load is determined from the formula of bucklings of elastically supported bars, Accordingly, if we have known the support-coefficient of the covering concrete, we get easily the buckling load of the steel. In this paper, the support-coefficients of the plate-concrete is dissussed about several kinds of the plate. In the steel-concrete structure, the collapse of covering sides of concrete is important problems, so this paper shows about that in the steel having an initial curvature. We experimented the specimens os the simple form, and the theorical solutions are compared with the experimental values.
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MINORU MAKINO
Article type: Article
1962 Volume 72 Pages
7-12
Published: May 30, 1962
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The general moment distrubution analysis may be easily obtained with the assumption of undeformed member length through the generalized slope deflection equation method which have been already presented by auther in the Transactions of AIJ, Vol. 70. In this paper the equilibrium equations for shear forces in the joint are discussed with that assumption and are changed to the generalized storey shear equations expressed with end moments through the principle of virtual work. For the members of various and conditions such as symmetry the effective stiffness matrices and relative carry-over factor matrices are introduced to eliminate the unknown quantities and are summarized in Table 1. Then an example is given to illustrate the procedure of analysis.
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KIYOSHI MUTO, YUTAKA OSAWA, TADAKI KOH
Article type: Article
1962 Volume 72 Pages
13-18
Published: May 30, 1962
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The present paper deals with the bending moment of multistoried uniform rectangular frames subjected to triangularly distributed horizontal loading. In Chapter 1, it is shown that the fundamental equations can be represented in the form of "three moment equation" (second order difference equation) in which the column moment at the bottom in each story is chosen as an unknown, and that the solution of the above equations can be obtained by direct integration as the summation of the particular solution and the complementary function. The method is illustrated by an example. In Chapter 2, special attention is paid to the fact that two terms of complementary function in the abov solution indicate the above solution indicate the boundary effect at the top and the bottom of the frame, and that these effects propagate through columns downward and upward decreasing its value. This leads to a practical method of analysis of frames subjected to horizontal loading. Outline ot the practical method of analysis proposed in this paper is as follows: 1) First, determine the bending moment distribution in the frame based on the particular solution only. 2) As the effect of uncontinuity at the top, the correction moment due to boundary condition is obtained and this effect is propagated downward through columns. 3) Also at the base of the frame, the correction moment is obtained (fixed base is considered as standard in this case), and this effect is proprgated upward through columns. 4) Add the boundary effects 2) and 3) to 1). In Chapter 3, the uniform rectangular frame subjected to triangularly distributed horizontal loading is analyzed using the method dexcribed in Chapter 2, and the results are summarized in Table 1. This table gives the values of inflection point ratio of columns for various beam stiffness ratio and for various number of story. These values are to be used in quick method for calculating the moment distribution in the ordinary frame subjected to triangularly distributed loading as in Dr. Muto's D-method for the frame subjected to uniform loading.
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HAJIME UMEMURA
Article type: Article
1962 Volume 72 Pages
19-23
Published: May 30, 1962
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The structural type of building have been changed recently and also there is a tendency to release the height limitation of 31 meters. The movement of reexamination of seismic coefficient has become the object of our earthquake engineers. This report showed at first some example of reinforced concrete columns of 25 story-building or others which are practically designed extending the nowaday's seismic coefficient in Japanese code. As the actual dimention of the columns becomes considerable size in such tall buildings, it is necessary to cut down the weight of buildings or reduce the seismic coefficient inorder to materialize the super-tall buildings. For this purpose the author rearranged the results of dynamic responce of idealized structurs in elasto-plastic state against actual severe earthquakes and showed the probable maximum deflection of structurs as a function of fundamental period of that structurs. As the result the possibility of reducing the seismic coefficient for tall buildings seems to be available.
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AKIRA TSURUTA, TOMIO KIMURA
Article type: Article
1962 Volume 72 Pages
24-28
Published: May 30, 1962
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This paper contains the experimental considerations about the nuts for high strength friction grip bolts for structural steel works. It appeared necessary to examine for various nuts in height, carbon content, heat treated or not, hardeness, proof load and more tightenningness. On the basis of the tests reported herein, we found the heat treated nuts should not be tapped before that procedure and cold-forming nuts were more suitable for high strength bolts especially in tightenningness, because less torque-coefficient and more uniformity, than that of heat-treated nuts.
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YORIHIKO OSAKI
Article type: Article
1962 Volume 72 Pages
29-32
Published: May 30, 1962
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CHITOSHI KATSUTA, TAKESHI SEKINE
Article type: Article
1962 Volume 72 Pages
33-38
Published: May 30, 1962
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(I) The building which has the saw-tooth roof style is often used for the general factory building. Up to this time, the ventilation in that case has naturally done by an opening equipped on the top of the ridge of the saw-tooth roof. However there are many cases that the requisite quantity of ventilation is not sufficiently ejected. In this thesis, we show quantitively according to the material data which is gotten by the experiment of wind tunnel how the vetilation is disadvantage in the case of only the saw tooth roof opening on the ridge. Next, for the way of that improvement, we equipped verticaly the isolating board for wind (we call it the saw-tooth roof monitor). We also experimented in the same way about the saw tooth roof building which is made ventilate improvement, then we account for the property of this ventilation on this type. (II) The method of experiment for the wind tunnel, and the method of count for the coefficient of windpressure and pressure loss coefficient of monitor are the same which were mentioned in Vol. 68 of the dissertations of the Architectual Academy. (III) We showed the result of experiment in the figure No. 5〜No. 10. Still more to make clear the difference of charactarics on ventilation between roof opening and saw tooth roof monitor, as the example, we counted the each quantity of ventilation by example of the count which is supposed the every condition of outward, and showed the result in the figure No. 11.
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SHYOTARO KOIZUMI, ICHIRO WADA
Article type: Article
1962 Volume 72 Pages
39-44
Published: May 30, 1962
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This reseach applied to the students (high-school and University) to grip their desire of facilities in housing estate in conection with their habitation. The reseach was carried 1st time 1958 and 2nd time in 1959, to analize the structure of time spent in living, the consciousness of having or not having their own room, desier of commninty-center, libraly, movie-theater and other public-facilities. The result as follow The resemblance is studied the structure of time spent in living according to sex (male or female) and school (high-school or University). The estimate of their living in housing-estate is rather comfatable about rest and study, but they think their environment is consisting that make tediousness of their leisure time. They have their own hobbies, sports that consist the leisure time. There is not so much difference about the desier of facilities between in and out of housing-estate, or sex and school Much in need facilities than now are libraly, community-center and facilities used by athletic. These desier of facilities have no relation with the consciousness of having or not having their own room. The situation to think having their own room is limitted to the case using room only one parson or with brothes and sisters, and coliving with their parents is not take for having their own room. From these analyzation, in order to avaid tediousness and spent a vivid atractive life in housing-estate, these public are dasiered as libraly, community-center and facilities about athletic, in and around there. These facilities have tendency rather "Association" than "Community".
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MITSURU SUZUKI
Article type: Article
1962 Volume 72 Pages
45-50
Published: May 30, 1962
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This report is concerned with the examination of farm-houses in the mountinous villages at Nozumi and Onagatani valley, which lie among northern part at the Hida mountinous area. We examined 17 houses in these villages, to be built from late 17th. C. to 19th. C. These houses are able to be divided in three groups with style. The first group of these houses have some special feature as follows. 1) The plan is Hiroma type. 2) The entrance of Hiroma (living room) is Dengiguchi, which is opened front of Hiroma. 3) The floor is not boarding floor but Doza, to lay straw about 10cm depth on the earth and covered them with straw-mats. The second group have the transitional style from first group to third group. The special feature of third group is as follows. 1) The plan is Yotsuma type. 2) A narrow earth-floor to be called Tovi lies between Umaya (stable) and Hiroma. 3) The floor is boarding-floor.[figure]
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KIYOSHI ASANO, KAKICHI SUZUKI
Article type: Article
1962 Volume 72 Pages
51-56
Published: May 30, 1962
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This paper forms a part of the studies on houses in Tottori and Okayama prefectures. These studies intend to outlook the differences between the houses in the districts along the shore of Nipponkai and those of Setonaikai at the west side of Kinki. This paper nests on the basis of the data obtained from the nesearch at Tunoimura, Kogecho, Hattocho, Wakasacho in the vicinity of Tottori City. Selecting more than 10 houses built in the 17th and 18th centuries, and restoring to their original shapes as can as possible according to the traces of original works, we explain the characteristics and the transitions of their plan and construction. The characteristics of these old houses are as following. Enery house has a oblong plan, and the front is long. One half (right or lift) is an earth floor, and in another half 3 rooms: One large hall along the earth floor, a drawing room (front side) and a bed room, (back side). In the corner (front side) of the earth floor a stable, and the back side of this stable a shed. Thus the house in devided into 4 parts: 1st diawing and bed room, 2nd hall, 3rd earth floor (a passage), 4th stable and shed. Pillars stand in the outside surrounding the house at intervals of 6.5 feet (flank and back side, and the front side of the earth floor where walls come, entervals of 3.25 feet), and on the 3 boundary lines of the 4 parts stand 3 rows of pillars. Beams are layed between these 3 rows of pillars across the rooms, and from the side pillars on to these beams. On these beams stand struts and with 3 rows of pillars support the roof beams, which are layed at intervals of 3.25 feet. On the roof beams come principal nafters and at the top of them nidge-pole.
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KIYOSHI ASANO, ZENKO HAYASHINO, TOSHIKI TABUCHI
Article type: Article
1962 Volume 72 Pages
57-62
Published: May 30, 1962
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This paper is also one of the treatises on houses in Tottori and Okayama prefectures. We researched 27 houses-which belong to the 18th century, in Nichinancho, a mountainious vicinity situated in the south-west corner of Tottori prefecture. Selecting 5 typical houses of different ages and restoring them to their original forms, we clarify the characteristics and transitions of their plans and constructions. The plan resembles to that of in the vicinity of Tottori very well, and this form is most popular one in our country. But this has no entrance at the back side, and has a veranda at the front side of the hall, and a closet at the back side of it. The construction also nesembles to that of in the vicinity of Tottori prefecture, except having no struts on the cross beams, and being the intervals of the beami 6.5 feet. Moreover, houses which belong to the 18 century omit some pillars in the boundary lines of the 4 parts except those of under ridge. This also nesembles to that of Shikoku districts.
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KIYOSHI ASANO, KOSABURO SHIRAKI, [in Japanese], KEISHO KUDO, KENSHIN A ...
Article type: Article
1962 Volume 72 Pages
63-68
Published: May 30, 1962
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This also forms a part of the treatises on houses in Tottori and Okayama prefectures. We treat in this paper houses in the western part of the mountainious Mimasaka, where plans and constructions of houses nesemble to those of Tottori prefecture. We visited in this vicinity Kojiro in Katsuyamacho, Tomimura and Kamisaibaracho, and researched 13 houses. Having selected 2 or 3 typical houses in each of these villages which belong to the 17th and 18th centuries, and having restored them to their original forms, we tried to clarify the differences to those of Tottori and among those of these 3 villages. As to the plan, the arrangements of rooms are the same, having also one large hall along the earth floor and 2 rooms, but in Kojiro comes veranda in front of the hall and drawing room, and has deep eaves before the veranda. But in Tomimura, the partition between drawing room and bed room stretches into the hall some 6 or 7 feet malsing a screen wall. The comer behind this wall is called Ryorinoma, that means cooking room, sugesting the original shape to divide the hall into halves. We see in other parts of Okayama prefecture houses that have 4 rooms even in the end of the 17th century. Of course in Osaka and Nara frefecture even in the beginning of the 17th century, every house always has 4 rooms. But in the end of the 18th century, we see these plan everywhere even in Tottori and Okayama prefectures. Refering to the construction, in Tomimura taking advantage of the pillar at the end of the screen wall they lay beams in the different way.
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[in Japanese]
Article type: Article
1962 Volume 72 Pages
69-70
Published: May 30, 1962
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[in Japanese]
Article type: Article
1962 Volume 72 Pages
71-74
Published: May 30, 1962
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[in Japanese]
Article type: Article
1962 Volume 72 Pages
75-
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[in Japanese]
Article type: Article
1962 Volume 72 Pages
76-77
Published: May 30, 1962
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[in Japanese]
Article type: Article
1962 Volume 72 Pages
78-
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Article type: Bibliography
1962 Volume 72 Pages
79-83
Published: May 30, 1962
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Article type: Bibliography
1962 Volume 72 Pages
84-
Published: May 30, 1962
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Article type: Bibliography
1962 Volume 72 Pages
84-
Published: May 30, 1962
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