钢筋混凝土大坡率桥梁同步顶升施工技术研究  

Research on Synchronous Jacking Construction Technology of Concrete Large-slope Bridge

作　　者：武玉林 WU Yulin(Xinjiang Agricultural University, Urumqi 830052, China)

机构地区：[1]新疆农业大学交通与物流工程学院,新疆乌鲁木齐830052

出　　处：《洛阳理工学院学报（自然科学版）》2021年第4期53-57,共5页Journal of Luoyang Institute of Science and Technology：Natural Science Edition

摘　　要：以某高架桥下坡段为例,研究了PLC同步顶升施工技术在多跨简支梁、大坡度桥梁顶升中的应用,提出了变高临时桥墩的方法。应用仿真软件进行受力分析、称重实验及偏载实验验证了系统可靠性。实践证明,同步顶升技术及变高临时桥墩施工方法在桥梁坡度大、高度大、同盖梁整体顶升工程中有着较好的应用前景。Taking the downhill section of a viaduct as an example,this paper studies the application of PLC synchronous jacking construction technology in the current multi-span simply supported beam bridges and large-slope bridge jacking,and puts forward measures to heighten the temporary pier.Simulation software for force analysis,weighing experiment and partial load experiment are conducted to verify the reliability of the system.The practice shows that the synchronous jacking technology and the construction method of heightening the temporary pier will have a wide application prospect in the construction of the large-slope and high bridge and integral jacking with bent cap.

关 键 词：桥梁顶升 施工技术 变高临时桥墩 整体顶升 

分 类 号：U445.4[建筑科学—桥梁与隧道工程]