摘要
隧道二衬混凝土开裂现象在隧道施工中时有发生,尤其是在不受外力作用时形成裂纹的原因更是让建设者难以处治。就背景工程出现类似问题,通过理论计算与数值模拟,探求混凝土结构本身的受力情况,结合施工工艺、施工环境、混凝土养护、施工干扰等方面因素,对混凝土开裂问题进行系统分析,找出开裂原因,为建立相应处治措施提供参考。
The crack of tunnel secondary lining concrete occurs in the tunnel construction every now and then.Especially for the crack formed not affected by external force,it is more difficult to tackle the issue.As similar problems appear in some engineer project ,we ex-plored the stress condition the concrete structure itself held by means of theoretical calculation and numerical simulation.Combined with the construction technology,construction environment,concrete curing,disturbance and so on,we finally systematically analyzed the con-crete crack problem,found out reasons for cracking and provide a reference for establishing corresponding treatment measures.
出处
《混凝土》
CAS
CSCD
北大核心
2014年第2期1-4,共4页
Concrete
基金
国家自然科学基金项目(51008123)
关键词
隧道
二次衬砌
裂纹
模拟
分析
tunnel
secondary lining
crack
simulation
analysis
