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2012, Volume 6, Issue 4

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Frontiers of Structural and Civil Engineering >> 2012, Volume 6, Issue 4 doi: 10.1007/s11709-012-0174-6

Study of base friction simulation tests based on a complicated engineered bridge slope

1. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China; 2. China Railway Tunnel Group Co., Ltd. Luoyang 445000, China

Available online: 2012-12-05
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Abstract

In this paper, a physical base friction test model of a slope is established. The model is based on similarity principles and the geological conditions of a complicated bridge slope during construction, deformation and failure. The behavior of the slope in both its natural state and during excavation loading is qualitatively analyzed through base friction tests. The base friction test results are then subjected to comparison and analysis using finite element numerical simulation. The findings show that the whole engineered slope tends to stabilize in its natural state, whereas instabilities will arise at faulted rock masses located near bridge piers during excavation loading. Therefore, to ensure normal construction operation of bridge works, it is suggested that pre-reinforcement of faulted rock masses be performed.

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