T/ZZXJX 209-2022 Active Group standards

T/ZZXJX 209-2022 The technical standard for the application of mixed-wall corrugated pipes made of polyethylene-polyvinyl chloride (MPVE) used for underground sewage discharge

Publish Date: 2022-12-09 Implement Date: 2022-12-09 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 209-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

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

Publish Date: 2022-12-09

Implement Date: 2022-12-09

Scope

Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 4. Materials 4.1 General provisions 4.2 Material requirements 4.3 Pipe materials 4.4 Pipe connection materials 5. Transportation and storage of pipe materials, rubber rings, etc. 6. Pipe design 6.1 General provisions 6.2 Pipe layout 6.3 Hydraulic calculation 6.4 Load calculation 6.5 Calculation of normal use limit states 6.6 Bearing capacity calculation 6.7 Stability calculation of pipes 6.8 Foundation treatment 6.9 Backfilling design 7. Pipe construction 7.1 General provisions 7.2 Trench excavation 7.3 Pipe foundation 7.4 Pipe installation 7.5 Pipe repair 7.6 Connection of pipes to inspection wells 7.7 Backfilling 8. Quality inspection 8.1 General provisions 8.2 Pipe tightness test 8.3 Pipe deformation test 8.4 Densification test of backfilling soil in trenches 9. Marking, transportation, and storage 9.1 Marking 9.2 Transportation 9.3 Storage 10. Pipe acceptance 11. Pipe management and maintenance