Rational Reinforcement utilizing Post-tensioning Anchorage Devices in Horizontal Force Adjustment for Closure Pour
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Bibliographic Details
| Author(s): |
Shuhei Ono
(Shimizu Corporation, Tokyo, Japan)
Hideaki Matsunaga (Shimizu Corporation, Tokyo, Japan) Tatsuaki Toshinami (Shimizu Corporation, Tokyo, Japan) |
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| Medium: | conference paper | ||||
| Language(s): | English | ||||
| Conference: | IABSE Symposium: Engineering the Future, Vancouver, Canada, 21-23 September 2017 | ||||
| Published in: | IABSE Symposium Vancouver 2017 | ||||
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| Page(s): | 584-591 | ||||
| Total no. of pages: | 8 | ||||
| Year: | 2017 | ||||
| DOI: | 10.2749/vancouver.2017.0584 | ||||
| Abstract: |
One of the solutions for constructing the rigid structure of the multi-span prestressed concrete (PC) continuous box girder bridge with low-height piers is the horizontal force adjustment for closure pour that can improve the stress at the base of side piers. However, in order to apply a large horizontal force to the thin member of cross section, there is a problem that it requires much time to reinforce the force application part and jacking force application work. Therefore, the author devised a rational reinforcement of the force application part in concrete structure by using post- tensioning anchorage devices which were embedded as reinforcement materials. This newly proposed method was adopted in the construction of the Onahama Marine Bridge. In this paper, the rationalization of the force application and construction in the horizontal force adjustment for closure pour of this bridge is presented. |
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| Keywords: |
horizontal force adjustment for closure pour extradosed prestressed concrete bridge post-tensioning anchorage device
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