攀枝花西渣场灌浆胶结炉渣强度的试验研究

针对攀枝花西渣场采用灌浆胶结炉渣加固边坡工程,开展了灌浆胶结炉渣单轴压缩试验和三轴压缩试验,研究了胶结炉渣体的破坏模式、强度特征及其对边坡稳定性的影响.试验结果表明:随着灌浆胶结炉渣中炉渣含量的增加,其内部结构不均匀性更加突出,试验加载过程中压应力区和拉应力区相互交错分布,最终破坏时受劈裂破坏和剪切破坏共同作用,其破坏...

Test Study of the Strength of the Grouting Cemented Slag of the West Slag Yard in Panzhihua

This paper conducts a series of uniaxial tests and triaxial tests on the grouting cemented slag for the grouting slag slope of the west slag yard in Panzhihua to study the failure mode,the strength and the affection of the grouting slag to the slope stability.The results show that with the increase of slag proportion in grouting cemented slag,the internal structure inhomogeneity is more prominent,zones of both tensile stress and compressive stress develop as staggered distribution so that the failure mode is dependent on the splitting failure and the shear failure.The increase of slag proportion changes a tortuous failure surface contributed by splitting failure to multiple failure surfaces to form the compound failure mode combining splitting failure and shear failure.The cohesion of the slag increases owing to the injection of the grouting material,and the strength is increased,too.And the strength parameters of the grouting slag of the slope are discussed and determined according to the test results.The stability of a slope is analyzed based on the strength parameters,and it is shown that the reinforced method can increase the stability of the slope.