T/ZZXJX 269-2023 Sealing and grouting technical specification for concrete structure engineering reinforcement
T/ZZXJX 269-2023 Sealing and grouting technical specification for concrete structure engineering reinforcement
Basic Information
Scope
Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic provisions 5 Grouting design 5.1 General provisions 5.2 Chemical grouting 5.3 Cement grouting 6 Chemical grouting construction 6.1 General provisions 6.2 Grouting of cracks and interlayer seams 6.3 Grouting of structural seams 6.4 Grouting of internal defects in concrete 7 Cement grouting construction 7.1 General provisions 7.2 Grouting of cracks, interlayer seams, and structural seams 7.3 Grouting of non-dense concrete 8 Quality inspection and acceptance 8.1 General provisions 8.2 Quality inspection 8.3 Acceptance 9 Occupational health and safety and environmental protection 9.1 Occupational health and safety 9.2 Environmental protection