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隧道建设(中英文) ›› 2022, Vol. 42 ›› Issue (12): 2015-2023.DOI: 10.3973/j.issn.2096-4498.2022.12.005

• 研究与探索 • 上一篇    下一篇

运营公路隧道衬砌排水系统技术状况评估方法研究

蒋雅君1, 刘世圭1, 周睿1, 曹丹阳2, 吴春伟3   

  1. 1. 西南交通大学土木工程学院, 四川 成都 610031 2. 成都扬华源动新材料科技有限公司,四川 成都 610213; 3. 广西北投交通养护科技集团有限公司, 广西 南宁 530299)

  • 出版日期:2022-12-20 发布日期:2023-01-09
  • 作者简介:蒋雅君(1980—),男,广西桂林人,2008年毕业于西南交通大学,隧道工程专业,工学博士,副教授,主要从事隧道及地下工程的教学和科研工作。Email: yajunjiang@swjtu.edu.cn。

Evaluation Method of Technical Conditions of Lining Drainage System of Operating Highway Tunnels

JIANG Yajun1, LIU Shigui1, ZHOU Rui1, CAO Danyang2, WU Chunwei3   

  1. (1.School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,Sichuan,China;2.Chengdu Yanghua Yuandong New Materials Science and Technology Co.,Ltd.,Chengdu 610213,Sichuan,China;3.Guangxi Beitou Transportation Maintenance Technology Group Co.,Ltd.,Nanning 530299,Guangxi,China)

  • Online:2022-12-20 Published:2023-01-09

摘要:

为指导管理单位维护公路隧道衬砌排水系统,保证隧道结构和通行安全,提出一种公路隧道衬砌排水系统技术状况评估方法。根据公路隧道衬砌排水系统结构特点将其划分为排水段、排水单元和排水管段3个层次,分别以各管段的功能性和结构性病害参数作为评价指标建立相应的评价指标体系;参照市政排水管道病害参数的计算方法确定公路隧道衬砌排水系统管段病害参数计算方法;采用SWMMH软件建立公路隧道衬砌排水系统模型,模拟排水系统中地下水的状态,计算各管段和不同工况下排水单元间流量,根据流量比值大小得到不同管段和排水单元的权重;采用分层加权综合评价思想建立功能性和结构性技术状况评价模型。将该模型应用于实际工程中,计算结果能较好地反映排水系统实际状况。

关键词:

公路隧道, 衬砌排水系统, 技术状况, 评估方法, 病害参数

Abstract:

To guide the management unit in maintaining the lining drainage system of highway tunnels and ensure the safety of tunnel structure and traffic, an evaluation method of the technical conditions of the lining drainage system of highway tunnels is proposed. According to structural characteristics, the drainage system is divided into a drainage section, drainage unit, and drainage pipe section, and the corresponding evaluation index system is established by considering the functional and structural defect parameters of each pipe section as evaluation indices. Based on the defect parameters of a municipal drainage pipeline, the calculation method of pipe section defect parameters is determined. The SWMMH software is employed to establish a drainage system model to simulate the state of groundwater in the drainage system and to calculate the flow between each pipe section and drainage unit under different working conditions, the ratio of which represents the weight of different pipe sections and drainage units. The evaluation model of functional and structural technical conditions is established using the idea of hierarchical weighted comprehensive evaluation. The application of the model in an actual project proves that it can reflect an actual drainage system situation.

Key words: highway tunnel, lining drainage system, technical conditions, evaluation method, defect parameters