CAJ | 학술논문

针对大漏失地层,探索增强某巷道复杂岩层抗渗性的技术途径,采用钻孔原位注浆方法开展了注浆试验研究.钻孔采取两步法注浆工艺,大漏失地层和一般漏失地层一次注浆的堵水效率一般可达80%以上,部分可达100%,微漏失地层的堵水效率可达100%.但有一些大漏钻孔采用现有注浆方法不能有效封堵,应进一步研究其他注浆措施,并需研究对注浆孔口及周边表面的快捷有效的封堵技术.
침대대루실지층,탐색증강모항도복잡암층항삼성적기술도경,채용찬공원위주장방법개전료주장시험연구.찬공채취량보법주장공예,대루실지층화일반루실지층일차주장적도수효솔일반가체80%이상,부분가체100%,미루실지층적도수효솔가체100%.단유일사대루찬공채용현유주장방법불능유효봉도,응진일보연구기타주장조시,병수연구대주장공구급주변표면적쾌첩유효적봉도기술.
Aiming at the search of impervious technique in an engineering tunnel, in-situ grouting by boreholes was adopted for grouting experimental research. The researches indicate that most rock strata in this area leak se-verely. By assuming the technology of two-step grouting, pounding ratios in most rock strata with severe leakage achieved up to 80%and in some area to 100%. But some boreholes need further investigations on grouting meas-ures for improving pounding ratios effectively.