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静压法施工是通过静力压桩机的压桩机构以压桩机自重和机架上的配重提供反力而将桩压入土中的沉桩工艺。预应力管桩具备单桩承载力高,施工进度快,污染少,穿越土层能力强,现场施工方便,质量好控制,桩身耗材较低、桩基造价低的特点。作者根据这几年工程项目管理的一些经验,对预应力管桩在沉桩过程中常见问题及防治措施提出粗浅建议。
Static pressure method of construction is through the static pile driver's pile driving mechanism to pile weight and the counterweight on the rack to provide reaction force and the pile into the soil pile sinking process. Prestressed pipe pile with a single pile bearing capacity, construction speed, less pollution, strong ability to penetrate the soil, site construction convenience, good quality control, low pile material, low cost of pile foundation. Based on some experiences of engineering project management in recent years, the author puts forward some superficial suggestions on common problems and prevention and cure measures of prestressed pipe piles during pile driving.