doi:10.3963/j.issn.1674-6066.2023.03.019富水地层土压平衡盾构机防喷涌控制技术杨永涛(中铁十一局集团有限公司,武汉430074)摘要:针对富水地层的施工难题和防喷涌问题,提出了一种基于水力压裂的土压力平衡盾构机防喷涌控制技术。该技术通过在掘进面设导墙、底部设导槽等措施实现对土压力的有效控制;同时利用循环泵将盾构掘进过程中产生的泥浆输送至导槽内,再由导槽内的泥浆泵送到盾构始发井中。当发生涌漏时,可通过导槽上的注浆孔进行封堵,排出导管外溢液体,避免出现大范围渗漏事故。关键词:富水地层;平衡盾构机;防喷涌控制Anti-surgeControlTechnologyofEarthPressureBalanceShieldinWater-richStrataYANGYong-tao(ChinaRailway11thBureauGroupCo,Ltd,Wuhan430074,China)Abstract:Aimingattheproblemsofconstructionandanti-gushinginwater-richstratum,anewanti-gushingcontroltechnologyofearthpressurebalanceshieldmachinebasedonhydraulicfracturingisproposed.Thistechnologycanef-fectivelycontroltheearthpressurebymeansofsettingguidewallandguidegrooveatthebottomoftheheadingface,andatthesametime,themudproducedinthecourseofshielddrivingistransportedtotheguidegroovebyusingcircu-latingpump,thenthemudintheguidegrooveispumpedintothestartingwelloftheshieldmachine.Whentheleakageoccurs,itcanbeblockedbythegroutingholeontheguidegroovetodischargetheoverflowliquidofthegui...