某隧道二衬裂缝处治技术研究  

Research on Crack Treatment Technology for the Second Lining of a Certain Tunnel

作　　者：闫凤琴 Yan Fengqin(Huabang Construction Investment Group Co.,Ltd.,Lanzhou,China)

机构地区：[1]华邦建投集团股份有限公司,甘肃兰州

出　　处：《科学技术创新》2023年第13期112-115,共4页Scientific and Technological Innovation

摘　　要：某隧道在二次衬砌施工过程中,出现了多条环向裂缝。针对该问题,仔细分析了裂缝产生的原因,采取了一系列有针对性的处理措施,最终解决了该隧道二次衬砌的裂缝问题。During the construction of the secondary lining of a certain tunnel,multiple circumferential cracks appeared.In response to this problem,the causes of the cracks were carefully analyzed,and a series of targeted treatment measures were taken,ultimately solving the problem of cracks in the secondary lining of the tunnel.

关 键 词：二次衬砌 针管注浆 凿孔压浆 裂缝 

分 类 号：U457.2[建筑科学—桥梁与隧道工程]