抱箍法施工盖梁裂缝成因分析及处置方案

Cause Analysis and Disposal Plan of Cracks in Cover Beam Construction by Hoop Method

桥梁工程施工盖梁时所选用的支撑体系在桥梁施工全过程中起到极其重要的作用,它会直接影响桥梁施工的安全、质量、进度与投资控制等。针对云南某桥盖梁抱箍法施工工程实际,针对过程中出现的抱箍下沉导致盖梁产生裂缝的问题进行了详细的分析探讨,提出了防止抱箍下沉及裂缝封闭的措施,取得了较好的处置效果。

The support system chosen for bridge girder construction plays an extremely important role in the whole process of bridge construction. It will directly affect the safety,quality,progress and investment control of bridge construction. This paper focuses on the actual construction of a bridge girder hoop method for a bridge in Yunnan,and analyzes and discusses the problem of cracks in the cap beam caused by the hoop hoop subsidence in the process,and proposes measures to prevent hoop sinking and crack.