饱水砂层渗透注浆加固理论探讨

the Theoretical Discussion on Consolidating Saturated Sand by penetrative Grouting

以广州地铁一期工程杨—体区间饱水砂层MC S浆材渗透注浆加固地铁隧道为对象 ,通过室内模似试验和现场试验 ,探讨了采用MC S浆材对饱水砂层进行注浆加固的渗透理论 ,提出了浆液扩散半径与注浆其他参数、地下水压力、砂的物理力学指标等之间的关系 ;注浆压力对被注均质介质的渗透率和注浆时间的影响 ;

Taking a engineering of Guangzhou metro for example,in which using penetrative grouting with MC-S material to consolidate saturated sand,through the simulative experiment indoor and experiment in situ,discussing the penetrative theory of using MC-S material to consolidate saturated sand,putting forward some conclusions,such as the relationship among the spread radius of liquor,the pressure of underground water and the physical and mechanical indexes of sand,the relationship among the grouting pressure,the penetrative rate of even medium and grouting time,and the coupling relationship of the grouting pressure field and the ground stress field.