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某工程因上部结构加层改造需对原桩基承台进行加固。结合工程地质及施工环境实际情况,决定采用锚杆静压桩方式加固原基础。详细介绍了大吨位锚杆静压钢管桩的设计与施工流程、施工工艺及质量控制措施。对施工过程中发生的问题进行讨论,并给出处理措施。通过施工检测表明,该设计与施工方法能满足地基补强加固设计要求。
Some projects due to the superstructure of the need to rebuild the pile cap pile reinforcement. Combined with the actual situation of engineering geology and construction environment, we decided to use anchor static pressure pile to reinforce the original foundation. Described in detail the design and construction flow, construction technology and quality control measures of large tonnage anchor static pressure steel pipe pile. Discuss the problems occurred in the construction process and give the handling measures. Through the construction inspection shows that the design and construction methods to meet the requirements of the foundation reinforcement design.