NUMERICAL SIMULATION OF REVERSE DISPLACEMENT REGIONS
DURING JOG FAILURE FOR TWO KINDS OF ECHELON FAULTS
1）College of Mechanics and Engineering，Liaoning Technical University，Fuxin 123000
2）Laboratory of Earthquake Dynamics，Institute of Geology，CEA，Beijing 100029
Abstract：Evolution of horizontal displacement of nodes at the internal side of a fault is modeled numerically by use of FLAC3D，and distribution and evolution of regions where the sign of horizontal or vertical displacement of monitored nodes changes are also presented，based on the proposed heterogeneous and strain softening constitutive model.Result indicates that the reverse displacement phenomenon occurs during the jog failure for both echelon faults.However，the reverse displacement regions differ greatly for different echelon faults.For extensional echelon faults，the regions are large，and basically distribute outside the jog.For compressive echelon faults，the regions only locate in the jog and its adjacent faults.
Wang Xuebin,Gu Lu,Ma Bing et al. NUMERICAL SIMULATION OF REVERSE DISPLACEMENT REGIONS
DURING JOG FAILURE FOR TWO KINDS OF ECHELON FAULTS[J]. jgg, 2014, 34(2): 45-50.
