The paper introduces the application of cement mixed pile and soil anchor in sand pit, and the effect of such compounding retaining structure is analyzed and evaluated.
介绍了水泥搅拌桩与土层锚杆组合支护在砂土基坑中的应用技术，并对支护效果进行分析。
At last. the failure pattern of sand-cobble deep excavation in Chengdu is researched, and then, the suitable retaining structure is given.
最后研究了成都地区砂卵石深基坑的破坏模式，以及最适宜成都地区砂卵石深基坑的支护形式。
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