The load sharing ratio of the secondary lining is consistent with the code.
实测二衬围岩压力荷载分担比例与规范基本相符。
However, the thickness or the need for reinforcement of view to the secondary lining is very different.
但对于二次衬砌的厚度、是否需要配筋的看法则有很大的不同。
In the mountain tunnel construction, the secondary lining concrete crack is a certain universal quality problem.
在山岭隧道施工中，二次衬砌混凝土裂缝成为带有一定普遍性的质量问题。
By analyzing the mechanics state of secondary lining under different tunnel diseases, several treatments is put forward in the paper.
通过模拟分析隧道衬砌结构在不同病害状态下的力学特性，提出了对隧道病害不同的治理措施。
As the large spanned arch tunnel is influenced by the structure and span, the loads on initial support and secondary lining are different.
大跨连拱隧道受结构和跨度的影响，其初期支护与二次衬砌各自承受不同的围岩压力。
This paper discussed the calculation analysis of the secondary lining crack width and spacing by using simulating soil curved beam's stress.
根据乌鞘岭隧道岭脊地段地质状况和二次衬砌实际受力特点，采用拟地基曲梁计算法来分析二次衬砌的裂缝宽度与间距。
Abstract: the environmental effects are analyzed and the secondary lining concrete durability is studied in the design for Qingdao Metro Line 3.
摘要：分析了青岛地铁3号线所在地域的环境作用，并对地铁二次衬砌混凝土的耐久性进行研究。
The main studying contents of this thesis are optimization-design of the mixture ratio of tunnel's secondary lining concrete and internal structural analysis.
本文的主要研究内容为隧道二次衬砌混凝土配合比优化设计及其结构内力分析。
Trickling water frequently occurs in the outside appearance of biconnected arch tunnels after the secondary lining, influencing their construction quality and operating.
在双连拱隧道施工中，二次衬砌完成后表面往往会出现渗漏水现象，对双连拱隧道施工质量及营运造成影响。
The paper adopts field test method and numerical simulation method to analyze the reliability of secondary lining during the construction and long term usage of the tunnel.
本文采用现场试验和数值模拟分析相结合的方法，对高速公路隧道在施工期间及运营期间长期阶段支护结构的安全性、可靠性进行了分析。
The calculation of structural load on the lining of tunnel with shallow overburden shows that the load on composite lining will be shared by primary support and secondary lining.
隧道衬砌在浅埋段的结构荷载计算表明，复合式衬砌中的初期支护和二次衬砌一般要共同承担荷载。
The model of internal force for the secondary lining and the laws of the deformation and the stability for the surrounding rock have been set up firstly in the double-arch tunnel.
首次建立了双连拱隧道二次衬砌内力（轴力和弯矩）模型及围岩的稳定与变形的规律。
The measured contact force is roughly in a same level under different geological conditions, so it is possible to reduce the thickness of secondary lining as well as reinforcement.
由于二衬在初支稳定后施作，不同围岩级别条件下，初支、二衬间的接触压力的大小大致相仿。
Load structure method was used for the lining of the secondary support's long-term safety assessment.
采用荷载结构法对二次衬砌进行了长期安全性评估。
The secondary support structure and the enclosing of the lining must be established in time to improve the performance of the lining.
④对于浅埋大断面大跨度连拱隧道，应及早施作二衬，封闭成环，以改善结构受力。
The secondary support structure and the enclosing of the lining must be established in time to improve the performance of the lining.
④对于浅埋大断面大跨度连拱隧道，应及早施作二衬，封闭成环，以改善结构受力。
应用推荐