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发明公开
CN110777570A 膨胀土大变形防上拱的地基结构和地基结构的施工方法 审中-实审

膨胀土大变形防上拱的地基结构和地基结构的施工方法
摘要：
本发明公开了一种膨胀土大变形防上拱的地基结构和地基结构的施工方法，所述地基结构包括加固桩和脱空结构，所述加固桩部分伸入地基土内，所述脱空结构用于承载路基结构；所述脱空结构连接在所述加固桩的顶部，所述脱空结构与所述地基土的顶面之间具有预设深度的容纳空间。通过设置加固桩、脱空结构，并在脱空结构和地基土的顶面之间设置容纳空间，不仅有效保证了承载和沉降控制效果，还有效消除了对路基的上拱风险。
摘要（英）：

The invention discloses a large deformation anti-arching foundation structure of expansive soil and a construction method thereof. The foundation structure comprises reinforcing piles and a voiding structure, wherein the reinforcing piles are partly stretched into foundation soil, the voiding structure is used for bearing a roadbed structure, the voiding structure is connected with the tops of thereinforcing piles, and a containing space of preset depth is formed between the voiding structure and the top surface of the foundation soil. By arranging the reinforcing piles and the voiding structure, and arranging the containing space between the voiding structure and the top surface of the foundation soil, not only is bearing and settling control effect effectively guaranteed, but also arching risk of a roadbed is effectively eliminated.

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