土钉支护技术在软土基坑中的应用

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Abstract The design method and construction measure of soil nail in deep excavation of thick soft soil are introduced. From the foundation pit bracing system of Guoan Building in Shanghai，the monitoring and measurement results prove that good technical effects and economic benefits can be obtained when soil nail technique is applied in deep foundation pit of soft soil.

Key words： soft soil deep foundation pit soil nail reinforcement

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https://rockmech.whrsm.ac.cn/EN/Y2002/V21/I06/923

[1]	HAO Zengming1, BAI Xiaoyu1, YAN Nan1, LIU Junwei1, ZHANG Qijun1, 2. In-situ test on synergistic mechanical behavior of steel pipe nested piles in soil-rock dual-stratum deep excavations[J]. , 2025, 44(9): 2515-2532.