Application of flexible retaining method with prestressed anchor for deepexcavations in retaining of permanent slope
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摘要: 预应力锚杆柔性支护法是用于深基坑支护和边坡治理的一种新的支护技术, 从特定实例看, 该方法在经济、技术、安全等方面均具有良好的优越性。笔者在厦大博海园基坑边坡工程中采用预应力锚杆柔性支护法进行设计，对完工后边坡进行了长时间的位移监测工作。从监测数据看，边坡位移、周边建构筑物沉降均较小，边坡工程历经10 a，目前状况良好，预应力锚杆柔性支护法在永久性边坡工程中的应用是成功的。Abstract: Prestressed anchor flexible retaining method is a new retaining and protecting technology used for retaining of deep excavations and treatment of slopes. In practice, the method has good performance in terms of economy, technology, safety and so on. It is used in the design of slope retaining project of Bohai Park of Xiamen University, and good performance is achieved after the completion of slope retaining construction based on long-term displacement monitoring work. The slope retaining has been finished for ten years, from the analysis of monitoring data, the displacement and the settlement of surrounding buildings are small, and the slope retaining is currently in good condition. It is proved that the application of the prestressed anchor flexible method in the permanent slope projects is successful.
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[1] 余志成. 深基坑支护设计与施工[M]. 北京: 中国建筑工业出版社, 1977. (YU Zhi-cheng. Design and construction of deep foundation pit support[M]. Beijing: China Architecture and Building Pres, 1997. (in Chinese)) [2] 贾金青, 郑卫锋. 预应力锚杆柔性支护法的研究与应用[J]. 岩土工程学报, 2005, 27(11): 1257–1261. (JIA Jin-qing, ZHENG Wei-feng. Research and application on prestnessed anchor flexible retaining method[J]. Chinese Engineering, 2005, 27(11): 1257–1261. (in Chinese))
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