京沪高速铁路某桥墩基础施工防护方案设计

摘要

Taking one pier foundation construction and protection scheme of one bridge spanning existing railway as example, the author briefly introduces the design method of adopting digging pile protection of railway bride spanning existing line, points out that the digging pile protec-tion can satisfy technology requirement, decreases construction difficulties and cost.%以跨越既有铁路的某桥桥墩基础施工防护为例,从挖孔桩桩长计算、最大弯矩计算、配筋验算三方面简要介绍了铁路桥梁上跨既有线采用挖孔桩防护的设计方法,指出挖孔桩防护能满足技术要求,降低施工难度和成本.