隧道下穿既有建筑物群沉降影响范围及影响程度分析方法浅析

The Impact of Tunnel Undercrossing on the Existing Buildings

隧道下穿建筑群时,必须对建筑可能产生影响进行预测及过程控制,目前主要的方法包括理论分析、数值计算、经验取值等。针对上述情况,分析了各方法的原理、适用性、优缺点。同时,以实际工程数据为依托,阐述了各种方法的具体应用,并进行相互验证,分析了各种分析方法的可靠性。提出目前隧道下穿建筑群影响范围的监控量测及综合应用的必要性。

When a tunnel is crossing under a group of existing buildings,it is necessary to predict its potential impact on the buildings and to control the possible hazard induced by the tunnel.The conventional prediction methods include：theoretical approach,numerical analysis and empirical solution.This paper reviews both advantages and disadvantages of these methods.Their practical applications and their reliabilities have also been presented in the paper.