T/ZZXJX 137-2022 Active Group standards

T/ZZXJX 137-2022 Steel cofferdam engineering technical specification

Publish Date: 2022-10-17 Implement Date: 2022-10-17 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 137-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Comprehensive steel products

Publish Date: 2022-10-17

Implement Date: 2022-10-17

Scope

Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Basic provisions 5. Structural forms and overall layout 5.1 Steel cofferdam structure forms 5.2 Planar layout 5.3 Steel cofferdam structural units 6. Design 6.1 General provisions 6.2 Loads and load effects 6.3 Material selection 6.4 Design indicators 6.5 Design safety factor requirements 7. Design calculation methods 7.1 Steel cofferdam analysis model 7.2 Steel cofferdam strength and stiffness calculation 7.3 Local calculation of steel cofferdams 7.4 Base concrete calculation 7.5 Steel cofferdam stability calculation 7.6 Sinking stability coefficient calculation 7.7 Anti-floating calculation analysis 8. Fabrication and manufacturing 8.1 Materials 8.2 Manufacturing requirements 8.3 On-site installation and welding 8.4 Acceptance, storage, and transportation of finished products 9. Steel cofferdam construction and quality inspection 9.1 General provisions 9.2 Base clearing 9.3 On-site assembly 9.4 First section floating 9.5 Cofferdam sinking 9.6 Steel hanging box cofferdam placement 9.7 Concrete pouring 9.8 Water pumping and injection 9.9 Cofferdam attachments 9.10 Cofferdam removal and utilization 9.11 Quality inspection 10. Monitoring 10.1 General provisions 10.2 Monitoring content and methods 10.3 Data processing and application 10.4 Monitoring management