通过介绍某大型桥梁主墩水上大直径嵌岩灌注桩的施工经验和教训 ,分析相关的成桩工艺问题 ,比较不同施工方法的适用性。 By introducing the construction experience and lessons learned from the large-diameter water-filled rock-socketed piles in the main pier of a large bridge, the related pile-forming process problems are analyzed, and the applicability of different construction methods is compared.