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长距离盾构隧道施工过程中,经常需要停机检查、更换刀具、清除泥饼等。由于目前尚未形成针对盾构停机检查等相关规范,行业内由于缺乏交流,针对盾构停机检查等技术的实施仍缺乏具体研究,针对复杂地层中土压平衡盾构地层加固进仓等技术进行了总结,主要包括进仓前的准备工作和土体加固后常压进仓的具体步骤,结合广东某地区的实际工程进行了分析,系统总结了土体加固开仓的工作经验和技术要领,可为类似工程提供相关经验。
Long-distance shield tunnel construction process, often need to stop checking, change tools, remove mud cake. As there is no relevant norms for the shield shutdown inspection, due to the lack of communication in the industry, there is no specific research on the implementation of the technology such as the shield shutdown inspection. In view of the technologies such as earth pressure balance shield stratum reinforcement stowage in complicated formations, In conclusion, it mainly includes the preparation work before Jincang and concrete steps of atmospheric pressure jumbo storage after the soil consolidation, and the actual engineering in a certain area in Guangdong is analyzed. The working experiences and technical essentials of consolidation and opening of soil are summarized systematically. Provide relevant experience for similar projects.