未查清地下构筑物情况引起基础变更设计北京铁路局北京勘测设计院高克澧现象设计时虽对建筑场地内的地下构筑物情况有所掌握但不够充分，施工单位根据基础设计图施工后，发现基础与地下构筑物相碰，必须进行变更设计和施工处理，造成工程造价增加。有时因处理不当甚至造成... The underlying design of the underground structure was not identified. The design of the Gao Kejun phenomenon in the Beijing Railway Design and Survey Institute of the Beijing Railway Bureau was not fully understood although the underground structure in the construction site was mastered. However, the construction unit found the foundation and underground after constructing according to the basic design drawings. When structures encounter each other, they must be changed in design and construction, resulting in an increase in construction costs. Sometimes due to improper handling or even caused...