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针对某高速公路高填方路基产生的不均匀沉降裂缝的问题,介绍了花管注浆和灰土桩联合在处治该问题中的应用,并对注浆加固区域进行了钻探及原位测试,从土层物理力学指标、标贯击数及承载力上评价了加固效果。
Aiming at the problem of uneven subsidence cracks caused by high-fill subgrade in a highway, the application of pipe grouting and lime-soil pile in the treatment of this problem is introduced. The drilling and in-situ test of grouting reinforced area is carried out. From Soil physical and mechanical indicators, the number of standard penetration and bearing capacity to evaluate the reinforcement effect.