T/DGGC 021-2022 Active Group standards

T/DGGC 021-2022 The technical standards for reinforcement and repair of shield-type tunnels with components

Publish Date: 2022-09-17 Implement Date: 2023-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/DGGC 021-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Concrete products

ICS Name: Fiber-reinforced cement products

Publish Date: 2022-09-17

Implement Date: 2023-01-01

Pages: 48 pages

Scope

1.0.1 This standard is formulated to unify the technical standards for the reinforcement of shield-constructed tunnels and the repair of segment linings, ensuring that the technology is reliable, safe and practical, environmentally friendly, economically reasonable, and of guaranteed quality. 1.0.2 This standard applies to the reinforcement of shield-constructed tunnels and the repair of segment linings, except for rainwater and sewage projects. 1.0.3 In addition to complying with this standard, the reinforcement of shield-constructed tunnels and the repair of segment linings shall also comply with the provisions of the relevant national standards currently in force.

Development Information

Word Count: 83 Thousand words Pages: 48 pages

Referenced Standards

GB 18445-2001 Cementitious capillary crystalline waterproofing materials GB 18445-2012 Cementitious capillary crystalline waterproofing materials GB/T 23446-2009 Spray polyurea waterproofing coating GB 50367-2013 Code for design of strengthening concrete structure JB/T 10901-2016 Construction machinery Double-component structural adhesive, Instant glue Application technical specification JB/T 10901-2008 Construction machinery Double-component structural adhesive, Instant glue Application technical specification JC/T 1041-2007 Concrete crack filling with epoxy resin grouting material JC/T 2041-2010 Polyurethane grouting material JC/T 2041-2020 Polyurethane grouting material JC/T 2037-2010 Polyacrylic Acid Grouting Material GB/T 18445-2025 Cementitious capillary crystalline waterproofing materials GB 50108-2008 Technical Code for Waterproofing of Underground Works GB/T 50476-2019 Code for durability design of concrete structures GB/T 23446-2025 Spray polyurea waterproofing coating

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