| 衬砌背后空洞对隧道结构的影响分析及综合评价方法 |
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| 引用本文： | 谭林波. 衬砌背后空洞对隧道结构的影响分析及综合评价方法[J]. 特种结构, 2021, 0(1): 11-14 |
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| 作者姓名： | 谭林波 |
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| 作者单位： | 中国建筑第五工程局有限公司 |
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| 摘 要： | 本文选取隧道典型病害——衬砌背后的空洞,作为研究对象.通过对病害断面进行数值模拟分析,对隧道衬砌背后不同位置、不同范围的空洞以及拱顶存在空洞下隧道衬砌在不同围岩等级进行有限元模拟,得出衬砌内力和位移,通过分析得到其对衬砌影响的程度及规律.对衬砌结构健康级别评价划分,从而采取不同的应对措施.
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| 关 键 词： | 隧道衬砌 浅埋暗挖隧道 空洞 |
Comprehensive Evaluation and Analysis of the Influence of Cavity on Tunnel Lining Structures |
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| Tan Linbo. Comprehensive Evaluation and Analysis of the Influence of Cavity on Tunnel Lining Structures[J]. Special Structures, 2021, 0(1): 11-14 |
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| Authors: | Tan Linbo |
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| Affiliation: | (China Construction Fifth Engineering Division CORP.,Ltd.,Changsha 410004,China) |
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| Abstract: | The tunnel lining cavity,one of the most typical tunnel defects in the subway tunnels,is studied through the numerical simulation analysis of the defected sections.In this paper,the finite element simulations of the cavities at different locations,with different sizes and under different surrounding rock classifications are carried out to obtain the stresses and displacements of the lining structures.The degree and pattern of the influence of the cavities on the lining structures are also investigated.Different measures should be taken based on the tunnel lining structure health grade classification evaluation. |
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| Keywords: | Tunnel lining Shallow Tunnel Cavity |
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