Service Performance Evaluation and Cross Scale Simulation of Shield Tunnel During Overhaul

doi:10.11908/j.issn.0253-374x.2019.10.002

Home > Archive>Volume 47, Issue 10, 2019 >1390-1397. DOI:10.11908/j.issn.0253-374x.2019.10.002

Service Performance Evaluation and Cross Scale Simulation of Shield Tunnel During Overhaul
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                        10.11908/j.issn.0253-374x.2019.10.002
                    
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                        ZHOU BiaoZHOU Biao
College of Civil Engineering，Tongji University，Shanghai 200092，China
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XIE XiongyaoXIE Xiongyao
College of Civil Engineering，Tongji University，Shanghai 200092，China
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YANG YubingYANG Yubing
College of Water Conservancy and Civil Engineering，South China Agricultural University，Guangzhou 510642, China
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WANG XiaojianWANG Xiaojian
College of Civil Engineering，Tongji University，Shanghai 200092，China
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Abstract:

By taking the Yan’an East Road Tunnel overhaul project as the background, the principles, procedures and methods of structural evaluation for the overhaul of shield tunnels were put forward based on data investigation, tunnel disease onsite detection and analysis, and performance evaluation requirements. A multilevel evaluation index system and process of environment, material, component and structure was established, and severed for the overall performance evaluation. Meanwhile, aiming at the special evaluation requirements of the sections with large convergence, by employing the comprehensive lattice theory and Diana finite element analysis method, a cross scale simulation method of material, component and tunnel structure was put forward. The cracking characteristics of shield tunnel lining structure and the changing law under different convergent deformation conditions were analyzed, and the convergence deformation of shield tunnel was established.

Key words:shield tunnel; overhaul; cross scale; cracking properties; evaluation index

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ZHOU Biao, XIE Xiongyao, YANG Yubing, WANG Xiaojian. Service Performance Evaluation and Cross Scale Simulation of Shield Tunnel During Overhaul[J].同济大学学报(自然科学版),2019,47(10):1390~1397

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Received:June 07,2018
Revised:July 24,2019
Adopted:June 20,2019
Online: October 17,2019
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