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随着我国公路桥梁建设事业的快速发展,钻孔灌注桩在桥梁上的应用非常广泛,而且种类繁多。但钻孔灌注桩属于隐蔽工程,影响灌注桩施工质量的因素很多,施工过程中容易出现坍孔、钻孔偏移、卡钻、导管堵塞、钢筋笼变形偏位、断桩等一系列施工问题。因此施工过程每一环节必须严格把关,并对施工中出现的问题及时进行处理。本文结合工程实例,简要介绍桥梁钻孔灌注桩施工过程中常见的一些问题及处理方法。
With the rapid development of highway and bridge construction in China, the application of bored piles to bridges is very wide and varied. However, the bored piles are concealed projects, many factors affect the construction quality of bored piles, prone to collapse during construction, borehole drift, stuck pipe, plugged pipe, deformation deformation of steel cages, broken pile and a series of construction problems . Therefore, every aspect of the construction process must be strictly checked and promptly deal with the problems arising in the construction. In this paper, with examples of engineering, a brief introduction to the bridge bored piles during the construction of some common problems and treatment methods.