Integrated erection method and equipment of full prefabrication medium and small span bridges

Authors

Tian Fei, 1. CCCC Second Harbor Engineering Company Ltd., Wuhan, Hubei 430012, China; 2. Key Laboratory of Large-span Bridge Construction Technology, Wuhan, Hubei 430014, China; 3. Research and Development Center of Transport Industry of Intelligent Manufacturing Technologies of Transport Infrastructure, Wuhan, Hubei 430013, ChinaFollow
Xia Hao, 1. CCCC Second Harbor Engineering Company Ltd., Wuhan, Hubei 430012, China; 2. Key Laboratory of Large-span Bridge Construction Technology, Wuhan, Hubei 430014, China; 3. Research and Development Center of Transport Industry of Intelligent Manufacturing Technologies of Transport Infrastructure, Wuhan, Hubei 430013, China
Wang Min, 1. CCCC Second Harbor Engineering Company Ltd., Wuhan, Hubei 430012, China; 2. Key Laboratory of Large-span Bridge Construction Technology, Wuhan, Hubei 430014, China; 3. Research and Development Center of Transport Industry of Intelligent Manufacturing Technologies of Transport Infrastructure, Wuhan, Hubei 430013, China
Zheng Hehui, 1. CCCC Second Harbor Engineering Company Ltd., Wuhan, Hubei 430012, China; 2. Key Laboratory of Large-span Bridge Construction Technology, Wuhan, Hubei 430014, China; 3. Research and Development Center of Transport Industry of Intelligent Manufacturing Technologies of Transport Infrastructure, Wuhan, Hubei 430013, China

Abstract

Based on a certain expressway's continuous beam bridge currently being constructed, this paper aimed to optimize the construction scheme of this type of bridge from the perspective of improving structural fabrication rate and installation efficiency. Firstly, the adaptability of different prefabricated substructure schemes was compared and analyzed, with a focus on analyzing the connection forms between prefabricated substructure components. Secondly, the rationality of integrated construction technology was demonstrated in combination with fabrication technology. Finally, an efficient integrated construction scheme suitable for small and medium-span full prefabricated bridges was proposed. The results show that after adopting the optimization scheme, compared with the background projects, the installation period is extended by 23%, but the equipment cost and temporary measures cost are reduced by 50%. Additionally, there is no need to set up a loading bridge along the optimization scheme, which greatly reduces the effect on the surrounding environment of the working area.

Publication Date

11-8-2022

DOI

10.14048/j.issn.1671-2579.2022.05.015

First Page

83

Last Page

87

Submission Date

April 2025

Recommended Citation

Fei, Tian; Hao, Xia; Min, Wang; and Hehui, Zheng (2022) "Integrated erection method and equipment of full prefabrication medium and small span bridges," Journal of China & Foreign Highway: Vol. 42: Iss. 5, Article 15.
DOI: 10.14048/j.issn.1671-2579.2022.05.015
Available at: https://zwgl1980.csust.edu.cn/journal/vol42/iss5/15

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