T/ZZXJX 184-2022 Active Group standards

T/ZZXJX 184-2022 Wet spraying method for concrete spraying application technical specification

Publish Date: 2022-12-01 Implement Date: 2022-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZXJX 184-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Concrete and concrete products

Publish Date: 2022-12-01

Implement Date: 2022-12-01

Scope

Main technical content: 1 Scope 2 Normative reference documents 3 Terms and definitions 4 Basic requirements 5 Raw materials 5.1 Cementitious materials 5.2 Aggregates 5.3 Admixtures 5.4 Fibers 5.5 Water 6 Concrete performance 6.1 Mix performance 6.2 Mechanical performance 6.3 Long-term performance and durability 7 Design requirements 7.1 General provisions 7.2 Design of sprayed concrete for underground engineering 7.3 Design of sprayed concrete for slope engineering 7.4 Design of sprayed concrete for foundation pit engineering 8 Determination of mix ratio 8.1 General provisions 8.2 Determination of design strength 8.3 Calculation of mix ratio 8.4 Trial mixing, adjustment, and determination of mix ratio 9 Construction 9.1 General provisions 9.2 Construction equipment 9.3 Preparation and transportation of mix 9.4 Spraying operation 9.5 Curing 10 Quality inspection and acceptance 10.1 Quality inspection and evaluation 10.2 Engineering quality acceptance 11 Safety and environmental protection measures 11.1 Safety technology 11.2 Environmental protection requirements