旋挖钻施工实例分析与要点控制

On analysis of construction cases for rotary-drilling and its control over key points

以清河高架桥为例,从桩基放样、开钻、成孔等方面入手,详细介绍了旋挖钻成孔施工方案,并对现场施工质量、安全控制要点作了具体阐述,提出了安全管理措施,为今后同类地质条件的旋挖钻施工积累了经验。

Taking Qinghe Viaduct Bridge as the example,the paper introduces the construction scheme for the pore-forming construction scheme of the rotary-drilling from the lofting of the pile foundation,the drilling,and the pore-forming,illustrates the field construction quality,and the safety control points,and points out the safety management measures,so as to accumulate the experience for the rotary-drilling construction with similar geological condition.