滨海大型地下工程抗浮锚杆的设计与试验研究_贾金青.pdfVIP

　24 　6 　　　　　 ol.24　No.6　 　2002 　　11 Chinese Journal of Geotechnical Engineering Nov., 　2002　 The design and test on anti-floating anchorage of large substructure in coastal region 1, 2 1 贾金青 , 宋二祥 (1. , 　100084;2. , 　116024) 　:, , 。 -, , , , , 。 , , , 。 , 、。 :;;; :TU 47　　　　:A　　　　:1000-4548(2002)06-0769-03 :(1962- ), , , , , , 、、 、。 1, 2 1 JIA Jin-qing , SONG Er-xiang (1.Department of Civil Engineering, Tsinghua University, Beijing 100084, China;2.Department of Civil Eng., Dalian University of Technology,Dalian 116024,China) Abstract:Anti-floating anchors can be used to solve the anti-floating problem of large substructure, but there is no available code to be abided by in design and construction of anti-floating anchors.The test and research on anti-floating anchors is carried out based on the large substructure in coastal region.The distribution of shear stress between soft-rock and mortar are obtained through the test.The test shows that the shear stress dis- tribution is not uniform and the shear stress attenuates along the length of anchors.From the orifice to hole-bottom, the pullout resistances of anti- floating anchors are also obtained according to the destructive test, which provide the basis for the design of anti-floating engineering.The practical proj ect shows that it is very economical and reasonable that anchors are used to solve the anti-floating problem of large substructure. Key words:anti-floating anchor;substructure;destructive test;pullout resistance 1 　　　 , , , , , 。 , 。, 2 : , 。 , , ;, 2