Novel Technique for Configuration Transformation of 3D Curved Cables of Suspension Bridges: Application to the Dongtiao River Bridge
Publication: Journal of Performance of Constructed Facilities
Volume 32, Issue 4
Abstract
Configuration transformation is an important issue during the construction stage of spatial suspension bridges with three-dimensional (3D) curved cables. Without fully considering this issue, the hangers could rub or interfere due to contact with the cable duct at the connection of the cable and girder, which can cause damage to the hangers and hamper the construction procedure. A novel technique using lateral bracing members (LBMs) was proposed to aid the configuration transformation during the construction stage of suspension bridges. The lateral displacement and rotation angle were investigated to ensure safety during the construction process. Limitations of the conventional configuration transformation techniques were acknowledged. To demonstrate its capability, the proposed technique was applied to a suspension bridge, the Dongtiao River Bridge, located in Huzhou, China. Based on the results, it was concluded that the LBMs can provide an efficient, reliable, and economical solution to aid configuration transformation of 3D curved cables of suspension bridges during the construction stage.
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Acknowledgments
This work was supported by the Natural Science Basic Research Program of Shaanxi Province for Young Scholars (Grant No. 2017JQ5013) and the Fundamental Research Funds for the Central Universities of Ministry of Education of China (Grant No. 310821172006). The first author is also grateful for the information provided by Mr. Chengshu Wang of Traffic Planning and Design Institute of Zhejiang Province and to Mr. Yuanxiao Xu of CCCC Second Harbour Engineering Co. in China.
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Published In
Journal of Performance of Constructed Facilities
Volume 32 • Issue 4 • August 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Aug 18, 2017
Accepted: Jan 30, 2018
Published online: May 25, 2018
Published in print: Aug 1, 2018
Discussion open until: Oct 25, 2018
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