GB/T 21371-2019 Active National standards

GB/T 21371-2019 By-product gypsum used in cement

GB/T 21371-2019 By-product gypsum used in cement

Publish Date: 2019-10-18 Implement Date: 2020-09-01 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: GB/T 21371-2019

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cement

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2019-10-18

Implement Date: 2020-09-01

Pages: 5 pages

Scope

This standard specifies the terms and definitions, technical requirements, test methods, and judgment rules for industrial by-product gypsum used in cement, as well as its transportation and storage.
This standard applies to the acceptance and use of industrial by-product gypsum for adjusting the setting time of cement.

Development Information

Word Count: 10 Thousand words Pages: 5 pages

Replace the following standards

GB/T 21371-2008 By-product gypsum used in cement

Referenced Standards

GB/T 1346-2001 Test methods for water requirement of normal consistency,setting time and soundness of the portland cements GB/T 1346-2011 Test methods for water requirement of normal consistency,setting time and soundness of the portland cement GB/T 2419-1994 Test method for fluidity of cement mortar GB/T 2419-2005 Test method for fluidity of cement mortar GB/T 5483-1996 Gypsum and anhydrite GB/T 5483-2008 Natural gypsum GB/T 5484-2000 Methods for chemical analysis of gypsum GB/T 5484-2012 Methods for chemical analysis of gypsum GB/T 5484-2024 Methods for chemical analysis of gypsum GB 6566-2001 Limit of radionuclides in building materials GB 6566-2010 Limits of radionuclides in building materials GB/T 17671-1999 Method of testing cements—Determination of strength GB/T 17671-2021 Test method of cement mortar strength(ISO method) JC/T 1083-2008 Test method for compatibility of cement and water-reducing agent GB/T 5483-2024 Natural gypsum GB/T 1346-2024 Test methods for water requirement of standard consistency,setting time and soundness of the portland cement

Related Standards

GB/T 2022-1980 Replaced

GB/T 2022-1980 Test method for heat of hydration of cement—Adiabatic method

Publish Date: 1980-09-27

GB/T 177-1985 Abolished

GB/T 177-1985 Test method for strength of hydraulic cement mortar

Publish Date: 1985-06-29

GB/T 6645-1986 Replaced

GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production

Publish Date: 1986-07-29

GB/T 7897.1-1987 Replaced

GB/T 7897.1-1987 Test method of mechanical properties of mortar for ferrocement General principle

Publish Date: 1987-06-05

GB/T 7897.2-1987 Replaced

GB/T 7897.2-1987 Test method of mechanical properties of mortar for ferrocement Test of bending strength

Publish Date: 1987-06-05

GB/T 7897.3-1987 Replaced

GB/T 7897.3-1987 Test method of mechanical properties of mortar for ferrocement Test of compressive strength

Publish Date: 1987-06-05