摘要
江西省泰和至井岗山高速公路碧溪隧道,左线施工中初期支护喷射混凝土出现较大的裂缝和变形,并且呈继续增大的趋势,险情增加。结合施工中出现的这种情况,分析了大变形产生的原因,介绍所采取的技术方案、施工措施及处理效果。
During the construction of the left tube of Bixi tunnel on Tai-jing highway, huge cracks and deformations occur to the shotcreting layers of the primary reinforcement and the situation tends to grow more intense. On basis of such situation, the article analyses on the reasons for the huge deformations and presents the technical schemes and construction measures taken to overcome the situation, as well as the effects of the measures.
出处
《隧道建设》
2006年第3期48-50,54,共4页
Tunnel Construction
关键词
公路隧道
大变形
设计
施工
highway tunnel
huge deformation
design
construction
