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澧水特大桥桥位区为典型喀斯特地貌特征,基底存在大量溶洞,基岩破碎、裂隙发育,张家界岸索塔基底的不良地质采用人工开挖溶洞回填混凝土结合钻孔帷幕注浆法进行加固处理,效果显著。
The Lushui Bridge area is a typical karst landform with a large number of caves, broken bedrock and fissures in the basement. The unfavorable geology of the zhangta foundation of Zhangjiajie is reinforced by artificial excavation of karst cave backfill concrete and drilling curtain grouting method , The effect is remarkable.