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隧道建设(中英文) ›› 2018, Vol. 38 ›› Issue (S2): 384-388.DOI: 10.3973/j.issn.2096-4498.2018.S2.053

• 监控与维护 • 上一篇    

波纹钢板套衬解决隧道衬砌掉落病害的效果分析

陈望祺1, 刘保东1,*, 刘瑞2, 井立江3   

  1. (1. 北京交通大学, 北京 100089; 2. 内蒙古交通设计研究院有限公司, 内蒙古 呼和浩特 010000;  3. 衡水益通管业股份有限公司, 河北 衡水 053000)
  • 收稿日期:2018-09-11 修回日期:2018-11-26 出版日期:2018-12-30 发布日期:2019-01-30
  • 作者简介:陈望祺(1995—),男,浙江宁波人,北京交通大学桥梁工程专业在读硕士,研究方向为波纹钢板结构应用。Email: 17121014@bjtu.edu.cn。*通信作者: 刘保东, Email: bdliu@bjtu.edu.cn。
  • 基金资助:

    内蒙古交通运输厅建设科技项目(NJ-2017-14)

Analysis of Working Effect of Corrugated Steel Lining on Tunnel Lining Fall

CHEN Wangqi1, LIU Baodong1, *, LIU Rui2, JING Lijiang3   

  1. (1. Beijing Jiaotong University, Beijing 100089, China;  2. Inner Mongolia Traffic Design and Research Institute Co., Ltd., Huhhot 010000, Inner Mongolia, China;  3. Hengshui Yitong Pipe Industry Co., Ltd., Hengshui 053000, Hebei, China)
  • Received:2018-09-11 Revised:2018-11-26 Online:2018-12-30 Published:2019-01-30

摘要:

为解决衬砌起层剥落病害问题,提出使用波纹钢板套衬的衬砌加固方法,即使用化学锚栓将波纹钢板与衬砌混凝土连接,并在中间添加填充材料。考虑衬砌混凝土掉落时波纹钢板单独作用,波纹钢板与化学锚栓共同作用,波纹钢板、化学锚栓和填充层共同作用3种不同工况,针对3种工况建立相应的有限元数值分析模型,并对加固效果进行计算和分析。计算结果表明: 波纹钢板单独作用时结构处于最不利情况,此时波纹钢板顶部挠度为110.2 mm,应力为136.8 MPa,满足变形和受力要求; 当考虑化学锚栓和填充层的作用时,结构响应最小。

关键词: 隧道衬砌病害, 波纹钢板, 数值模拟

Abstract:

In order to solve the problem of delamination of the tunnel lining, a lining reinforcement method using corrugated steel sheets is proposed. The method uses chemical anchor bolts to connect the corrugated steel sheets are connected with the lining concrete, and a filling material is added in the connections. The finite element numerical simulation models are established under 3 conditions, i.e. the corrugated steel plate works alone, the corrugated steel plate and the chemical anchor bolt work together, and the corrugated steel plate, the chemical anchor bolt and the filling layer work together when tunnel lining concrete falls; and the corresponding reinforcement effects are calculated and analyzed. The calculation results show that: (1) The structure is in the most unfavorable condition when the corrugated steel plate works alone, the top deflection of the corrugated plate is 110.2 mm and the stress is 136.8 MPa, which can still meet requirements. (2) When considering the actions of the chemical anchor and the filling layer, the structural response is minimal.

Key words: tunnel lining disease, corrugated steel, numerical simulation

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