Comparing the actual settlement and the simulation results, verify the feasibility and accuracy of using the method of interface to calculate the surface subsidence.
对比开采后实际沉降量与数值模拟结果，验证了接触面法计算开采沉陷的可行性和准确性。
Mosaic is the core of roadbed design and reduce the difference between roadbed subsidence, eliminate the differences and settlement of lateral and longitudinal cracks road uneven settlement.
路基拼接设计的核心是减少新旧路基之间的差异沉降，消除由于差异沉降而引起的道路纵向裂缝和横向不均匀沉降。
With the decline of the stability of surrounding rock, the ground subsidence and the vault settlement increase gradually.
随着围岩稳定性由好变坏，地表沉降和拱顶下沉值也呈逐渐增大的趋势；
With the decline of the stability of surrounding rock, the ground subsidence and the vault settlement increase gradually.
随着围岩稳定性由好变坏，地表沉降和拱顶下沉值也呈逐渐增大的趋势；
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