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反倾层状岩质边坡灾变过程隐蔽,变形破坏机理复杂,边坡一旦失稳,往往造成严重的灾难性后果。青岛市经济开发区扒山边坡为典型的反倾层状岩质边坡,选取以锚杆+墙为主要支护方法。由理论推导和UDEC数值模拟确定合理支护参数和合理注浆压力,并对该方案的支护效果进行模拟评估。
The anti-overthrust layered rock slope is hidden in the process of catastrophic deformation, and the mechanism of deformation and failure is complicated. Once the slope is instable, it often leads to serious catastrophic consequences. Paoshan slope of Qingdao Economic Development Zone is a typical anti-stratification rock slope, and the main supporting method is selecting bolt + wall. The reasonable support parameters and reasonable grouting pressure are determined by theoretical derivation and UDEC numerical simulation. The support effect of this scheme is simulated and evaluated.