GB/T 2022-1980
Replaced
T/GDAQI 99-2022
Active
Group standards
T/GDAQI 99-2022 Cementitious Shield Tunneling Grouting Accessory Dry-mixed Mortar
T/GDAQI 99-2022
Price:
$ 20.00
Basic Information
Standard Code:
T/GDAQI 99-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Engineering structure
ICS Name:
Cement, gypsum, lime, and mortar
Publish Date:
2022-12-20
Implement Date:
2023-01-20
Scope
Main technical content: This document specifies the terms and definitions, marking, classification, raw and auxiliary materials, and additives of dry-mixed mortar for grouting in shield tunneling; requirements; test methods; inspection rules; marking; packaging; transportation; and storage. This document is applicable to dry-mixed mortar used for grouting in shield tunneling.
Development Information
Related Standards
GB/T 177-1985
Abolished
GB/T 177-1985 Test method for strength of hydraulic cement mortar
GB/T 6645-1986
Replaced
GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production
GB/T 7897.1-1987
Replaced
GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle
GB/T 7897.2-1987
Replaced
GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength
GB/T 7897.3-1987
Replaced