桥梁拓宽溶洞桩基施工安全技术探讨——以弯弓塘拓宽桥左幅WZ3#-A溶洞桩基施工为例  

Discussion on Safety Technology of Pile Foundation Construction in Karst Cave for Bridge Widening——Taking the Pile Foundation Construction in WZ3#-A Karst Cave on the Left Side of Wangongtang Widening Bridge as an Example

作　　者：贺庆师 He Qingshi(Guangdong Guanyue Highway&Bridge Co.,Ltd.,Guangzhou,Guangdong 511450)

机构地区：[1]广东冠粤路桥有限公司,广东广州511450

出　　处：《工程技术研究》2022年第15期56-59,共4页Engineering and Technological Research

摘　　要：随着交通的迅速发展,拓宽桥梁溶洞桩基施工成为新的研究课题,其中,如何减轻施工对旧桥结构安全造成的影响是研究重点。文章以弯弓塘拓宽桥左幅WZ3#-A溶洞桩基施工为例,探讨溶洞桩基施工技术与安全管控的方法、步骤及要点,研究成果可为后续类似工程施工提供参考。With the rapid development of transportation,the pile foundation construction of widening bridge in karst caves has become a new research topic.Among them,how to reduce the influence of construction on the safety of old bridge structure is the research focus.Taking the pile foundation construction in WZ3#-A karst cave on the left side of Wangongtang widening bridge as an example,this paper discusses the methods,steps and key points of the pile foundation construction technology and safety management and control in karst cave.The research results can provide references for the subsequent construction of similar projects.

关 键 词：梁桥拓宽 溶洞 桩基施工 安全管控 

分 类 号：U445.551[建筑科学—桥梁与隧道工程]