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以205国道某坡间挡土墙为例,运用数值模拟方法,对车辆荷载作用下坡角对挡土墙稳定性的影响进行了分析.结果表明,坡角对挡土墙变形破坏具有非常敏感的影响.随着坡角的增加,挡土墙水平变形量增加,塑性区范围扩大,而且坡面滑移造成墙体附加变形.因此,坡间挡土墙的建造应充分考虑边坡坡角的影响,对路基、墙体和坡体实施有针对性的整体加固方案.
Taking a slope retaining wall on 205 national highway as an example, numerical simulation is used to analyze the effect of downhill angle on the stability of retaining wall. The results show that the slope angle is very sensitive to the deformation and failure of retaining wall With the increase of slope angle, the horizontal deformation of retaining wall increases, the plastic zone expands, and additional deformation of the wall is caused by the slip of slope.So the construction of slope retaining wall should take full account of slope angle Of the impact of the embankment, walls and slopes targeted implementation of the overall reinforcement program.