建筑场地内地下洞穴未调查未处理北京铁路局北京勘测设计院吴宝智现象某客运站站台雨棚在建筑场地范围内有位置不清未经处理的废弃地下人防洞穴，雨棚使用不久后，由于相邻铁路线的道床严重积水，水从地基中浸入地下人防洞穴，使洞穴周围土体坍塌，引起位于洞穴附近的雨棚... Underground caves in the construction site have not been investigated and untreated. Beijing Railway Bureau Beijing Investigation and Design Institute Wu Baozhi Phenomenon A passenger station platform canopy has unclearly abandoned untreated underground civil defense caves within the construction site. Shortly after the canopy is used, the The ballast bed adjacent to the railway line is seriously watery, and water is immersed in the underground air defense burrow from the foundation, causing the soil around the cave to collapse, causing a canopy near the cave...