钢管土钉结合压密注浆在深厚杂填土基坑中的应用

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Application of Soil Nailing of Steel Tube Combined with Compaction Grouting in Foundation Pit with Deep Miscellaneous Fill

1. Chemical Industry Geotechnical Engineering Co., Ltd, Nanjing 210009, Jiangsu, China;
2. Jiangyin Traffic Engineering Construction Corporation, Wuxi 214400, Jiangsu, China

摘要: 通过工程实例，介绍了一种在深厚杂填土基坑中运用钢管土钉结合压密注浆技术的围护方法，对钢管土钉及压密注浆的设计及施工作了详细说明。监测结果表明，该支护方法可以有效控制基坑变形，确保基坑及地下结构施工期的安全，为类似条件的基坑围护工程提供借鉴。
- 杂填土 /
- 钢管土钉 /
- 压密注浆
Abstract: Based on engineering example, a supporting method is introduced of soil nailing of steel tube combined with compaction grouting in foundation pit with deep miscellaneous fill. The design and construction of soil nailing of steel tube and compaction grouting is detailed described. The monitoring results show that the supporting method can effectively control the deformation of foundation pit, ensure the safety of foundation pit and underground structures. And it provides a reference for the similar condition of foundation pit.
- deep miscellaneous fill /
- soil nailing of steel tube /
- compaction grouting