T/CECS G:D67-03-2021 Highway Bridge Prestressed Concrete Pipe Pile Foundation Technical Specification
T/CECS G:D67-03-2021 Highway Bridge Prestressed Concrete Pipe Pile Foundation Technical Specification
Basic Information
Scope
Scope: This specification applies to the investigation, design, construction, and quality inspection of prestressed concrete pipe pile foundations for highway bridges constructed by either the hydrostatic pressure method or the hammering method. Main technical content: This specification is divided into 9 chapters and 10 appendices. The main contents include general provisions, terms and symbols, basic requirements, engineering geological investigation, pipe pile products, pipe pile foundation design, pile body structure and connection verification, pipe pile foundation construction, quality inspection, Appendix A: Pipe pile structure forms and pile body reinforcement, Appendix B: Design tables for mechanical properties of pipe piles, Appendix C: Values of mechanical properties of pipe piles, Appendix D: N-M curves of pipe piles under eccentric compression, Appendix E: Calculation method of effective pre-stress values of pipe piles, Appendix F: Reference materials for selecting hammering pile driving equipment, Appendix G: Reference materials for selecting hydrostatic pressure pile driving equipment, Appendix H: Hammering pile driving construction record forms, Appendix J: Hydrostatic pressure pile driving construction record forms, Appendix K: Quality inspection evaluation forms for pipe pile foundation projects.