T/ZZXJX 188-2022 Active Group standards

T/ZZXJX 188-2022 Duct-tunneling Non-excavation Technology Instructions

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 188-2022

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 Shield tunneling engineering survey 5.1 General provisions 5.2 Survey requirements 5.3 Layout of survey holes 6 Shield tunneling engineering design 6.1 Shield pipe design 6.2 Starting and receiving shaft design 6.3 Estimation of advancement force 6.4 Design of back wall 6.5 Design of relay sections 7 Shield tunneling engineering construction 7.1 Starting and receiving shafts 7.2 Pipe advancement 7.3 Grout injection for friction reduction 7.4 Measurement and correction of deviation 7.5 Disposal of excavated materials and sludge transportation 7.6 Anti-rotation measures 7.7 Ground settlement control measures 7.8 Post-shielding treatment 8 Monitoring 8.1 General provisions 8.2 Monitoring scope and monitoring grade classification 8.3 Monitoring of the supporting structure of the working shaft and surrounding soil 9 Quality acceptance of shield tunneling engineering 9.1 General provisions 9.2 Engineering quality acceptance