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APPLICATION OF COMPRESSION-DISPERSIVE ANCHOR IN EXCAVATION SUPPORTING ENGINEERING
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摘要: 通过对普通拉力型锚杆与压力分散型锚杆优缺点的比较及现场试验,指出压力分散型锚杆具有承载力高、经济性能优、适应强等特点,同时提出影响压力分散型锚杆承载力的因素及控制方法,对压力分散型锚杆在实际基坑支护工程中的应用具有一定的指导意义。Abstract: Through comparing the advantages with disadvantages between normal tension anchor and compression dispersive anchor and test in project site, it can be seen that compression dispersive anchor is of much more significant characteristics including higher bearing capacity and good economy and better adaptability. At the same time, the reasons impacting on the bearing capacity of compression dispersive anchor and how to control them also be pointed out, which provides a guidance to the practice of compression dispersive anchor in ex cavation supporting engineering.
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Key words:
- compression dispersive anchor /
- normal tension anchor /
- controlling method
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CECS 22:2005 岩土锚杆(索)技术规程 [2] 程良奎,范景伦,韩军,等,岩土锚固.北京,中国建筑工业出版社,2003 [3] 程良奎.岩土锚固的现状与发展.土木工程学报,2001,34(3):7-12 [4] 尾高英雄,张满良,岛山三树男.关于荷载分散型锚杆及周边岩土层剪切应力的研究//程良奎,刘启琛.岩土锚固工程技术的应用与发展--国际岩土锚固工程技术研讨会论文集.北京:万国学术出版社,1996 [5] Barley A D,Chris R.Windsor.Recent Advances in Ground Anchor and Ground Reinforcement Technology with Reference to the Development of the Art//Proc International Conference on Geotechnical and Geotechnical Engineering.Melbourne:2000 [6] 徐桢祥.岩土锚固工程技术的发展与回顾//徐桢祥.岩土锚固技术与西部开发.北京:人民交通出版社,2002 [7] 柳建国,吴平,尹华刚,等.压力分散型抗浮锚杆技术及其工程应用.岩石力学与工程学报,2005,24(21) [8] 程良奎,韩军.单孔复合锚固法的理论和实践.工业建筑,2001,31(5) -
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