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Volume 28, Issue 11
Displaying 1-5 of 5 articles from this issue
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Minoru Wakabayashi1990 Volume 28 Issue 11 Pages 5-13
Published: November 01, 1990
Released on J-STAGE: April 26, 2013
JOURNAL FREE ACCESSAt the present time, steel that can be used in SRC structures is limited to 520 MN/m2 in strength. In order to promote the use of high strength steel in SRC structures, a three-year comprehensive research project was conducted. Major findings obtained from these tests follow ; (1) by adjusting the yield stress of the steel or compressive strength of concrete employed, the superposed strength method can still be used to estimate the strength of SRC members ; (2) SRC members with high strength steel are more ductile than those with mild steel ; (3) decrease in strength at sections where the steel net area is reduced can be compensated for by arranging additional reinforcing bars at these sections, thus making it possible to avoid brittle failure ; (4) hoops arranged in an L shape are still effective in increasing ductility ; and (5) creepdeflection can be estimated by combining the stiffnesses of the steel and RC parts. On the basis of these results, this paper also proposes design procedures and details effective to the design of SRC structures with high strength steel.View full abstractDownload PDF (1255K) -
Construction of the Road “Bridge Bachigawa-Minami-Bashi”H. Sakai, K. Yagi, M. Koga, Y. Kawamoto1990 Volume 28 Issue 11 Pages 14-24
Published: November 01, 1990
Released on J-STAGE: April 26, 2013
JOURNAL FREE ACCESSIn one of development of the applicable area for new nonsteel materials, especially the carbon fiber reinforced plastics, there is an application research to the prestressed concrete girder construction by the good use of characteristic advantages of the new materials, stainless and nonelectromagnetic. When it is applied to the prestressed concrete girder construction by the posttensioning method, there are various problems for design and construction. They are, for example, processing the materials, reliability of wedge type anchorage, assumption of factors for calculation the transmission of prestressing force along the tendon, making clear for the long-term change of prestressing force and concrete stress and so on. This report will express the outline about the design and construction of slab type bridge “Bachigawa-Minami-Bashi”, edge girder of that was applied the tendon made of the carbon fiber reinforced plastics for the post-tensionedprestressed concrete, and the result of the tensioning test for tendons, load test for the constructed girder, load test for the completed bridge, longterm characteristic change of the girder and so on.View full abstractDownload PDF (1351K) -
Tama New TownYasuhiro Umehara1990 Volume 28 Issue 11 Pages 25-33
Published: November 01, 1990
Released on J-STAGE: April 26, 2013
JOURNAL FREE ACCESSJapan Housing and Urban Development Corporation (HUDC)'s high-rise condominium housing (11 stories, 2 blocks) utilizing precast reinforced concrete is under construction in Tama New Town at site 12-2 BL located in the vicinity of Keio Line's Horinouchi station. This project combines the precasting method with the Wall Rahmen structure which has become the main stream of middle to high-rise housing structures today. It's aim is to expand HUDC's and the designer's own know-how for the PC (precast) construction, and to adjust to the recent labor situations by minimizing the construction period. The following report explains the outline of such design and structural know-how and it's actual construction.View full abstractDownload PDF (2161K) -
[in Japanese]1990 Volume 28 Issue 11 Pages 46-54
Published: November 01, 1990
Released on J-STAGE: April 26, 2013
JOURNAL FREE ACCESSDownload PDF (1757K) -
1990 Volume 28 Issue 11 Pages 55-61
Published: November 01, 1990
Released on J-STAGE: April 26, 2013
JOURNAL FREE ACCESSDownload PDF (1147K)
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