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水平旋喷桩预加固改变了加固范围内地层岩土体的物理力学参数,使加固后的岩土体弹性模量E大于未加固岩土体的弹性模量E′,从而使得加固区域内地层的位移小于未加固区域内地层的位移,进而有效地控制地层的不良沉降。
The pre-reinforcement of horizontal jet grouting pile changes the physical and mechanical parameters of rock and soil in the consolidation range so that the elastic modulus E of the reinforced rock and soil is larger than the elastic modulus E ’of the un-consolidated rock and soil, Is less than the displacement of the formation in the un-strengthened area, and then effectively control the formation’s bad settlement.