Zhou Haiying, Chen Tingguo, Li Lixin. STUDY ON JOINT LOAD TEST OF METRO SHIELD TUNNELING LINING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(4): 79-83. doi: 10.13204/j.gyjz201004018
Citation:
Zhou Haiying, Chen Tingguo, Li Lixin. STUDY ON JOINT LOAD TEST OF METRO SHIELD TUNNELING LINING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(4): 79-83. doi: 10.13204/j.gyjz201004018
Zhou Haiying, Chen Tingguo, Li Lixin. STUDY ON JOINT LOAD TEST OF METRO SHIELD TUNNELING LINING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(4): 79-83. doi: 10.13204/j.gyjz201004018
Citation:
Zhou Haiying, Chen Tingguo, Li Lixin. STUDY ON JOINT LOAD TEST OF METRO SHIELD TUNNELING LINING[J]. INDUSTRIAL CONSTRUCTION, 2010, 40(4): 79-83. doi: 10.13204/j.gyjz201004018
Based on load test of joint of shield tunneling lining,joint strength,force and deformation rule,the main influence factors of joint bending stiffness are studied. The results indicate that the segment joint local bearing capacity determines the integral bearing capacity of segment joint under positive eccentric load,the segment joint bearing capacity is sufficient and safe for negative eccentric load,and the joint displacement determines bearing capacity of segment joint for negative eccentric load. The eccentricity and axial force,the thickness of cushion and bolt pretension have great influence on joint bending stiffness of lining segment.
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