在中小跨径桥梁设计中，基岩埋置深度是影响基础选型的重要因素。基岩埋置较浅采用钻孔桩基础较为合理；基岩埋置较深，则采用打入桩基础更为经济。%In the design of small and medium-span bridge, the bedrock buried depth is an important factor affecting the foundation selection. The bored pile foundation is suitable for the shallow buried bedrock, while the driven pile foundation is suitable for deep buried bedrock.
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