Abstract
In recent years, micro-pile has been widely applied to landslide treatment engineering due to its advantages in application and construction. Its engineering effect is quite evident. At present, some researchers focus on studying the effects and failure mode of micro-pile in landslide reinforcement. However, only few of them discussed how the pile works with shearing force and vertical load. By numerical simulations, a part of which were compared with the results from large-scale physical model tests, effects of vertical load on shear characteristics of micro-piles in landslide were analyzed. Each row of piles simultaneously sheared with vertical loads, which played an active role in increasing anti-sliding force. According to the analysis, the four rows of piles, installed close to trailing edge, were mainly affected by compression, comparing to the rows installed in front, which are affected with tension.
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