T/ZZXJX 187-2022 Active Group standards

T/ZZXJX 187-2022 Non-trenching repair techniques for urban drainage pipes Regulations

Publish Date: 2022-12-02 Implement Date: 2022-12-02 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/ZZXJX 187-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Earthwork, excavation, foundation construction, and underground engineering

Publish Date: 2022-12-02

Implement Date: 2022-12-02

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic provisions 5 Materials 5.1 General provisions 5.2 Soil grouting method 5.3 Crack filling method 5.4 Pipe lining method 5.5 Stainless steel lining method 5.6 Short pipe lining method 5.7 Fragmented pipe method 5.8 Point-based in situ curing method 6 Design 6.1 General provisions 6.2 Design of pipe lining wall thickness 6.3 Hydraulic design 7 Construction 7.1 General provisions 7.2 Pre-treatment of pipes 7.3 Soil grouting method 7.4 Crack filling method 7.5 Pipe lining method 7.6 Stainless steel lining method 7.7 Short pipe lining method 7.8 Fragmented pipe method 7.9 Point-based in situ curing method 8 Quality acceptance 8.1 General provisions 8.2 Pre-treatment quality inspection 8.3 Construction quality inspection 9 Functional tests 9.1 General provisions 9.2 Watertightness test of pipes 9.3 Airtightness test of pipes 9.4 Water seepage investigation and inspection of pipes