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通过对北京地铁5号线区间地表沉降值的统计分析,提出了北京地铁区间施工地表沉降应按预警、报警和极限3级控制的思想,并提出了相应的控制标准建议值。
Based on the statistical analysis of surface subsidence value of Beijing Metro Line 5, the idea that land subsidence should be prewarning, alarm and limit 3 levels should be put forward and the corresponding control standard recommendations should be put forward.