本文结合河南省西部高速公路栾川至西峡高速公路的桥梁设计和国内其他岩溶地区桥梁基础的设计、施工经验,总结并研究了岩溶地区桥梁基础设计方案,通过合理的选择桥梁下部基础形式,可有效降低基础施工难度,降低工程造价。 Based on the bridge design of Luanchuan to Xixia Expressway in western part of Henan Province and the design and construction experience of bridge foundation in other karst areas in China, this paper summarizes and studies the bridge foundation design scheme in karst area. By reasonably selecting the basic form of lower part of bridge, Can effectively reduce the difficulty of basic construction, reduce project cost.