T/ZZXJX 103-2021 The application technical standards for mixed-wall corrugated pipes made of polyethylene-polyvinyl chloride (MPVE) used for underground sewage disposal
T/ZZXJX 103-2021 The application technical standards for mixed-wall corrugated pipes made of polyethylene-polyvinyl chloride (MPVE) used for underground sewage disposal
Basic Information
Scope
Main technical content: Foreword 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 Backfill 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 Compaction test of backfill 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