【摘要】 京福高速公路徐州东绕城段地处煤矿采空区,地质情况复杂.结合现场实际情况,进行了采空区路基钻孔注浆试验.在先导试验段对设计治理方案中的参数作了优化和完善,为进行大面积施工提供了可靠的依据.更多还原

【Abstract】 Xuzhou east-ring section of Beijing-Fuzhou expressway is located in mine goafs with complicated geological structures.On the basis of the specific site conditions,experiments of hole drilling and grout filling are carried out on the roadbeds in mine goafs.In the precedential experiment stage,optimization and perfection are done upon the parameters in the designing and harnessing plan,which provides credible bases for extensive constructions.更多还原