Discussion on Economic Evaluation Method of Preventive
Maintenance of Operating Highway Tunnel Structures

doi:10.3973/j.issn.2096-4498.2020.S2.043

Tunnel Construction ›› 2020, Vol. 40 ›› Issue (S2): 332-339.DOI: 10.3973/j.issn.2096-4498.2020.S2.043

Discussion on Economic Evaluation Method of Preventive Maintenance of Operating Highway Tunnel Structures

JIANG Yajun¹, TAO Lei^{1, 2}, LIU Sha3, ZHANG Mengshuo³, TAO Shuangjiang²

（1. School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China; 2. Sichuan Highway Planning, Survey, Design and Research Institute Ltd., Chengdu 610041, Sichuan, China; 3. Faculty of Engineering, Dalian University of Technology, Dalian 116024, Liaoning, China）

Online:2020-12-31 Published:2021-03-22

Abstract

Abstract: At present, the research and application of preventive maintenance in the field of highway tunnel maintenance is in its infancy. To apply the advanced idea of preventive maintenance to the maintenance of operating tunnels, the preventive maintenance technology of operating highway tunnels is analyzed and defined based on mature idea of pavement preventive maintenance and the actual situation of tunnel maintenance, the benefit cost analysis method is introduced to analyze the economy of tunnel preventive maintenance, and the feasible evaluation indices and evaluation method are put forward. The economic to preventive maintenance of operating highway tunnels mainly includes the definition and calculation of tunnel maintenance costs and benefits. The maintenance costs include direct and indirect costs, and benefits include direct and indirect benefits. The calculation methods of various costs and benefits of tunnel preventive maintenance are introduced. Based on engineering economics, the economic evaluation indices of available preventive maintenance schemes are put forward, including net present value (NPV), annual cost value (AC), benefit cost ratio (RB/C) and net present value rate (NPVR), which can provide reference for decisionmaking of tunnel maintenance scheme.

Key words: highway tunnel, preventive maintenance, economic evaluation, maintenance cost, maintenance benefit

JIANG Yajun, TAO Lei, LIU Sha, ZHANG Mengshuo, TAO Shuangjiang. Discussion on Economic Evaluation Method of Preventive Maintenance of Operating Highway Tunnel Structures[J]. Tunnel Construction, 2020, 40(S2): 332-339.

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Discussion on Economic Evaluation Method of Preventive Maintenance of Operating Highway Tunnel Structures

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