T/ZZXJX 298-2023 Technical Specification for Crack Prevention in Concrete Structures of Underground Projects
T/ZZXJX 298-2023
Basic Information
Scope
Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Materials 4.1 General provisions 4.2 Cement 4.3 Aggregates 4.4 Admixtures 4.5 Additives 4.6 Concrete expansion agents and anti-cracking waterproofing agents 4.7 Fibers 4.8 Rebars, prestressed rebars, and grouting materials 4.9 Water 5 Design 5.1 General provisions 5.2 Compensated shrinkage concrete 5.3 Fiber-reinforced concrete 5.4 Prestressed concrete 6 Construction 6.1 General provisions 6.2 Installation and removal of formwork 6.3 Concrete pouring 6.4 Curing 6.5 Post-pouring strips and expansion reinforcement strips 7 Quality acceptance 7.1 General provisions 7.2 Main control items 7.3 General items 7.4 Project documentation