地铁施工期间对文物影响的数值分析

Numerical Analysis of the Influence of the Heritage Building During the Subway Construction

为研究地铁侧穿文物时对文物造成的影响,基于FLAC3D软件建立隧道-土层-文物的三维结构有限元模型,选取倾斜率作为主要评估指标,同时选取沉降值进行工程类比及理论值进行对比,作为参考指标。以乌鲁木齐2号线为工程实例,对施工期间文物安全进行数值分析。通过数值分析,提出了一种在地铁施工期间对文物评估的方法,对地铁施工期间穿越文物的分析具有指导意义,为文物安全提供技术保障。

In order to study the influence of the cultural heritage on the side of the subway,the 3-D finite element model of tunnel-soil-relic is built based on FLAC3 D software. The slope is selected as the main evaluation index,and as a reference indicator the settlement value is selected to compare the engineering analogy with the theoretical value. Taking Urumqi No. 2 line as an engineering example,numerical analysis of the safety of cultural relics during construction was carried out.Through numerical analysis,a method for assessing cultural relics during subway construction is proposed,which has guiding significance for the analysis of crossing cultural heritage during subway construction and provides technical guarantee for the safety of cultural heritage.