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异形独塔斜拉桥张拉顺序研究.pdf

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异形独塔斜拉桥张拉顺序研究.pdf

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文档介绍

文档介绍:Hans Journal of Civil Engineering 土木工程, 2016, 5(5), 222-232
Published Online September 2016 in Hans.
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Study on Tensioning Sequence of Cable for
Abnormal Single Pylon Cable Stayed Bridge
Xiangdong Liao1, Jun Hu2*, Yi Luo2, Fuyuan Guo1, Jie Zhang1, Biru Wang1, Qunying Tao1,
Chuan Zeng1
1China Construction Third Engineering Bureau Steel Structure Company, Wuhan Hubei
2School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan Hubei


Received: Sep. 8th, 2016; accepted: Sep. 25th, 2016; published: Sep. 28th, 2016

Copyright © 2016 by authors and Hans Publishers Inc.
This work is licensed under the Creative Commons Attribution International License (CC BY).
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Open Access



Abstract
The tension sequence problem of the abnormal cable stayed bridge is very complicated. As cable
stayed bridges are highly statically redundant structures, the structure systems are constantly
changing with the construction process and the tension of the cable will affect the stress state of
the structure. And it is important to determine the tension time of the back cable in the cable stayed
bridge. In this paper, we make a construction stages analysis of different tension schemes, and com-
pare various solutions by the parameters of the stress state of the bridge, like the stress of the ca-
ble, main girder and the main tower stress and deformation and so on. At last, we get the optimal
cable tension schemes, which will provide guidance for the construction process and be time savi