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Database: 189759 (19 Oct 2025)
TB/T 2820.2-1997 English PDF
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TB/T 2820.2-1997
: Evaluation Standard for Degradation of Railway Bridge and Tunnel Buildings - Tunnel
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Standard Title (Description)
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TB/T 2820.2-1997
English
349
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Evaluation Standard for Degradation of Railway Bridge and Tunnel Buildings - Tunnel
TB/T 2820.2-1997
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Basic data
Standard ID
TB/T 2820.2-1997 (TB/T2820.2-1997)
Description (Translated English)
Evaluation Standard for Degradation of Railway Bridge and Tunnel Buildings - Tunnel
Sector / Industry
Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard
S13
Word Count Estimation
10,183
Date of Issue
7/10/1997
Date of Implementation
1/1/1998
Summary
This standard specifies the railway tunnel (hereinafter referred to as tunnel) structures damaged lining, lining structure of water leakage, frost lining and lining material deterioration of the type of degradation level and assessment methods. This standard applies to pacify the deteriorated state of the railway tunnel, and as a basis for the adoption of conservation measures.