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将刚架式支座钻孔桩加深层搅拌桩拱的支护技术应用于二沙岛地下车库基坑工程，充分发挥了钻孔桩的抗弯强度及深层搅拌桩的抗渗性和经济性，在工程技术和经济方面均取得较好的效果。
The supporting technology of the bored pile and deep mixing pile arch support of the rigid frame support was applied to the foundation pit project of the underground garage of Ersha Island, which fully exerted the bending strength of the bored pile and the impermeability and economy of the deep mixing pile. Both have achieved good results in engineering technology and economy.