注浆技术在客运专线岩溶地区路基处理中的应用

Application of Grouting Technique in Reinforcing the Subgrade of Railway Passenger Dedicated Line in Karst Area

研究目的:以武广客运专线DIK 1585+777.01～DIK 1586+244.62段岩溶路基注浆加固处理为例,介绍注浆技术在客运专线岩溶地区路基处理中的应用。研究结果:目前该段岩溶路基已经进行了路基填筑,通过沉降观测,发现路基基地沉降量小且保持稳定。施工中应根据岩溶的发育情况、填充情况以及裂隙的大小,选择不同的注浆液和注浆压力。

Research purposes:Taking the grouting technique of reinforcing the karst subgrade in the section between DIK 1585+777.01 and DIK 1586+244.62 of Wuchang-Guangzhou Railway Passenger Dedicated Line as an example,the introduction is given to the application of grouting technique of reinforcing the subgrade of passenger dedicated line in karst area. Research resdts:Nowadays the karst subgrade in this section has been filled.It is found that the subgrade is stable with less subsidence volume through observation.W...