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针对中关村青年公寓10,11号楼的具体情况及水文地质条件,综合比较土钉支护与护坡桩支护方案的优缺点,最终确定采用土钉支护技术。详细介绍了土钉支护设计和分层分段施工及要求,最后对工程边坡水平位移进行监控测量,结果表明支护效果良好,确保了基坑边坡稳定和周围建筑物的安全性,使基础施工顺利进行,取得了较好的社会效益和经济效益。
In view of the specific conditions and hydrogeological conditions of Zhongguancun Youth Apartment No. 10 and No. 11, comprehensively compare the advantages and disadvantages of the soil nailing support and the slope retaining pile support scheme, and finally use the soil nailing support technology. The design of soil nailing and the construction and requirements of stratified sub-section are introduced in detail. Finally, the horizontal displacement of the slope is monitored and measured. The results show that the supporting effect is good, which ensures the stability of foundation pit slope and the safety of surrounding buildings. So that the smooth progress of basic construction, and achieved good social and economic benefits.