| 衬砌保护层缺陷对隧道耐久性的影响及处置技术 |
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| 引用本文： | 王光勇.衬砌保护层缺陷对隧道耐久性的影响及处置技术[J].国防交通工程与技术,2013(6):39-42. |
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| 作者姓名： | 王光勇 |
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| 作者单位： | 中铁十二局集团有限公司,山西太原030024 |
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| 摘 要： | 贵广客专某隧道钢筋混凝土衬砌个别地段出现保护层不足的质量缺陷，分析了混凝土保护层厚度不足的原因及其对隧道衬砌承载力和隧道结构耐久性的影响，提出了采用高分子树脂化学胶涂层的整治措施，保证了隧道结构耐久性，取得了良好效果。
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| 关 键 词： | 隧道 混凝土保护层 厚度 缺陷 结构耐久性 结构补强胶 |
On the Effects of Defects of the Concrete Cover on the Durability of the Tunnel,and Treating Techniques |
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| Wang Guangyong.On the Effects of Defects of the Concrete Cover on the Durability of the Tunnel,and Treating Techniques[J].Traffic Engineering and Technology for National Defence,2013(6):39-42. |
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| Authors: | Wang Guangyong |
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| Institution: | Wang Guangyong (The 12th Bureau Group Co. Ltd. of the Zhongtie Corporation,Taiyuan 030024,China) |
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| Abstract: | Defects in quality occur in some sections of the concrete lining of a certain tunnel of the Gui-Guang Passengers-orien- ted Railway,where the depth of the concrete cover is found not to be sufficient enough. The causes of the defect and the effect of it on the loads-bearing capability of the tunnel lining and the durability of the tunnel are analyzed in the paper,with the treating measure of adopting the coating layer of polymer chemical resin glue put forward. After the reinforcing glue is applied, the du- rability of the tunnel structure is ensured and very good results are achieved. |
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| Keywords: | tunnel concrete cover defect depth durability of the lining structure reinforcing glue for the structure |
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