【摘要】 以沈阳地铁建设工程实际为背景,针对近距基坑对地铁隧道施工的影响问题,采用数值模拟方法,通过计算不同施工顺序及不同近接距离时的大断面隧道初期支护内力,分析近接基坑对大断面隧道开挖的影响程度,并提出相应的隧道加固措施。更多还原

【Abstract】 As background with reality of Shenyang subway building engineering,aiming at influence of proximal foundation ditch on construction of subway tunnel,adopting the numerical simulation as well as in accordance with calculation of bracing internal force of major section tunnel at initial stages in different construction order and close proximity,the paper analyzes extent of the foundation ditch influence on tunnel exacavtion and proposes appropriate strengthening measures.更多还原