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以石家庄地铁一号线某盾构隧道区间施工为例,通过对该区间施工中遇到三次盾构叩头的原因进行对比分析,总结出针对细中砂地层中盾构掘进叩头问题的处理方法,其处理措施可供类似工程参考。
Taking the construction of a shield tunnel in Shijiazhuang Subway Line 1 as an example, the reasons for the three times of shield kowtowing encountered in the construction of the interval are analyzed and compared. The treatment methods for the piercing of shield tunneling in fine sand are summarized. The treatment measures for similar projects for reference.