This Specification is provided for the purpose of guiding the construction of falsework for cast-in-place construction of railway concrete girders,harmonizing main technical requirements,enhancing construction management,and ensuring construction quality.This Specification is applicable to the falsework for cast-in-place construction of simply-supported or continuous girders.
1 General Provisions 2 Terms and Symbols 2.1 Terms 2.2 Symbols 3 Construction Preparation 3.1 Site Investigation 3.2 Technical Preparation 3.3 Staff Training and Technical Disclosure 4 Falsework StructuraIDesign 4.1 General Requirements 4.2 Types of Falsework and Selection 4.3 Loads and Load Combinations 4.4 Falsework Structure Design Calculations 4.5 Falsework Structural Requirements 5 FalseworkConstruction 5.1 GeneralRequirements 5.2 Ground Preparation and Foundation Construction 5.3 Construction of Full Shoring Falsework 5.4 Beam and Post Falsework 6 Falsework Inspection and Acceptance 6.1 General Requirements 6.2 Inspection and Acceptance of Falsework Materials,Structural Components and Accessories 6.3 Inspection and Acceptance of Ground Preparation and Foundation 6.4 Inspection and Acceptance of Falsework 7 Falsework Preloading 7.1 General Requirements 7.2 Loading and Unloading 7.3 Preloading Monitoring 8 Girder Construction 8.1 General Requirements 8.2 Bearing Installation 8.3 Formwork Installation 8.4 Installation of Reinforcing Steel and Tendon Duct 8.5 Concrete Pouring 8.6 Tendon Tensioning and Duct Grouting 8.7 Falsework Lowering and Removal 9 Girder Lowering and Lateral Moving 9.1 General Requirements 9.2 Girder Lowering 9.3 Girder Lateral Moving 10 Energy Conservation and Environmental Protection 10.1 GeneralRequirements 10.2 Energy Conservation Measures 10.3 Erosion and Pollution Prevention 10.4 Air and Noise Pollution Prevention 10.5 Heritage and Scenic Attraction Area Protection Appendix A Specified Strength and Elastic Modulus of Steel and Concrete Materials for Falsework Structures Appendix B Specified Strength and Elastic Modulus of Wood Materials for Falsework Structures Appendix C Design Value of Stability Load Resistance of Portal Frame Falsework Appendix D Design Value of Load Capacity and Geometry of Bailey Beams Appendix E Wind Pressure Height Coefficient Appendix F Stability Coefficient φ for Axial Compression Member Explanation of Wording in this Specification