Secondary lining of inverted arch 中学里的渐进式建筑署 ; 反拱二次衬砌 ; 二次衬砌仰拱 ; 被倒置的曲拱次要衬里
Secondary lining of side walls 边墙二次衬砌
secondary lining concrete 二次衬砌混凝土
Wall secondary lining 边墙二次衬砌
tunnel secondary lining 隧道二次衬砌
secondary lining detection 二衬检测
secondary lining construction 二次衬砌施工
Security of secondary lining 二次衬砌安全性
The loading ratio is 40% and 60% respectively for the initial supports and secondary linings. The stress of the secondary lining is pressure stress,which is the largest on the upper arch loin and is smaller on the inverted arch.
在标准断面地铁隧道中左、右线墙脚位置初期支护与围岩之间接触压力较大,表明这两位置承受了大部分垂直压力;初期支护与二次衬砌承受的荷载比例为40%和60%;二次衬砌混凝土基本受压,拱腰及以上位置应力较大,仰拱处应力较小。
参考来源 - 黄土地区浅埋暗挖地铁隧道衬砌受力分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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