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1 地铁隧道保护技术指标的由来 地铁隧道是埋设于浅表层地基土中的地下构筑物,其极易受到周围土层的扰动而产生移动。影响地铁列车的正常使用。为此,上海地铁总公司曾制定了保护地铁的技术标准,起到了
1 The origin of subway tunnel protection technical indicators Subway tunnels are buried underground structures in shallow surface soil, which is highly susceptible to disturbance by the surrounding soil and move. Affect the normal use of subway trains. To this end, the Shanghai Subway Corporation has formulated a technical standard for subway protection