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A platform for research: civil engineering, architecture and urbanism
Analytic Method of Load-Displacement Curve for Tension Anchors Based on Hyperbolic Load-Transfer Function
Analysis of the mechanism of anchors requires consideration of nonlinear soil behavior and relative motions at the anchor-soil interface. Hyperbolic load-transfer function model, which can allow for these factors, is used to simulate the mechanical behavior of this interface. For tensile type anchors, a set of analytical equations for axial load-displacement relationships is established. Based on the solution, initial anchor pullout stiffness is determined to deduce an approximate formula for critical anchorage length which indicated the efficiency of anchors. Further study shows that the anchorage length has a very important influence on both frictional resistance distribution and ultimate bearing capacity of anchors. Thus, advices for design of anchors are given. The analytical solution provides satisfactory agreement with observed measurements in field test, and thus represents that the analytical solution is reasonable in theory and feasible in practice.
Analytic Method of Load-Displacement Curve for Tension Anchors Based on Hyperbolic Load-Transfer Function
Analysis of the mechanism of anchors requires consideration of nonlinear soil behavior and relative motions at the anchor-soil interface. Hyperbolic load-transfer function model, which can allow for these factors, is used to simulate the mechanical behavior of this interface. For tensile type anchors, a set of analytical equations for axial load-displacement relationships is established. Based on the solution, initial anchor pullout stiffness is determined to deduce an approximate formula for critical anchorage length which indicated the efficiency of anchors. Further study shows that the anchorage length has a very important influence on both frictional resistance distribution and ultimate bearing capacity of anchors. Thus, advices for design of anchors are given. The analytical solution provides satisfactory agreement with observed measurements in field test, and thus represents that the analytical solution is reasonable in theory and feasible in practice.
Analytic Method of Load-Displacement Curve for Tension Anchors Based on Hyperbolic Load-Transfer Function
Liu, Wei (author) / Chen, Long-zhu (author) / Xi, Xiao-zhou (author)
GeoShanghai International Conference 2010 ; 2010 ; Shanghai, China
Deep and Underground Excavations ; 43-48
2010-05-14
Conference paper
Electronic Resource
English
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