T/ZZXJX 028-2021 The technical specification for jacking up concrete pipes with steel pipes
T/ZZXJX 028-2021 The technical specification for jacking up concrete pipes with steel pipes
Basic Information
Scope
Main technical content: Preface 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic provisions 5 Requirements for concrete raw materials 6 Requirements for detailed design and construction 7 Design of concrete mix ratios and performance requirements 7.1 General provisions 7.2 Design of concrete mix ratios 7.3 Performance of concrete mixtures 7.4 Performance of hardened concrete 8 Concrete production and transportation 8.1 General provisions 8.2 Raw material inspection and storage 8.3 Measurement and mixing 8.4 Factory inspection of concrete 8.5 Transportation 9 Concrete lifting construction 9.1 General provisions 9.2 Selection, layout, and connection of concrete pumps and concrete delivery pipes 9.3 Construction preparation 9.4 Lifting construction 9.5 Post-lifting treatment 9.6 Winter, rainy, and high-temperature construction 10 Quality inspection and acceptance 10.1 General provisions 10.2 Quality inspection 10.3 Quality acceptance