GB/T 12957-1991 Replaced National standards

GB/T 12957-1991 Test method for activity of industrial waste slag used as addition to cement

GB/T 12957-1991 Test method for activity of industrial waste slag used as addition to cement

Publish Date: 1991-06-04 Implement Date: 1992-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12957-1991
Standard Type: National standards
Standard Status: Replaced
is_force_gb: no
CCS Name: Cement additives and admixtures
ICS Name: Cement, gypsum, lime, and mortar
Publish Date: 1991-06-04
Implement Date: 1992-03-01
Publisher: The National Technical Supervision Bureau
Technical Committee: China Building Materials Academy
Pages: 4 pages

Development Information

Drafting Persons:

Wang Wenyi, Bai Xianming, and Zhu Lianfa

Word Count: 5 Thousand words Pages: 4 pages

Superseded by the following standards

Referenced Standards

GB 178 GB 1594 GB/T 177-1985 Test method for strength of hydraulic cement mortar GB/T 203-1994 Granulated blastfurnace slag used for cement production GB/T 203-2008 Granulated blastfurnace slag used for cement production 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 1596-1991 Fly ash used for cement and concrete GB/T 1596-2005 Fly ash used for cement and concrete GB/T 1596-2017 Fly ash used for cement and concrete GB/T 2419-1994 Test method for fluidity of cement mortar GB/T 2419-2005 Test method for fluidity of cement mortar GB/T 2847-1996 Pozzolanic materials used for cement production GB/T 2847-2005 Pozzolanic materials used for cement production GB/T 2847-2022 Pozzolanic materials used for cement production GB/T 1346-2024 Test methods for water requirement of standard consistency,setting time and soundness of the portland cement GB/Z 177.1-2026 Intelli gencegrading of artificial intelligence terminal—Part 1:Reference framework GB/Z 177.2-2026 Intelligence grading of artificial intelligence terminal—Part2:General requirements GB/Z 177.3-2026 Intelligence grading of artificial intelligence terminal—Part3:Mobile terminal GB/Z 177.4-2026 Intelligence grading of artificial intelligence terminal—Part 4:Microcomputer GB/Z 177.7-2026 Intelligence grading of artificial intelligence terminal—Part 7:Cockpit GB/Z 177.8-2026 Intelligence grading of artificial intelligence terminal—Part 8:Speaker GB/Z 177.9-2026 Intelligence grading of artificial intelligence terminal—Part 9:Earphone

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