GB/T 23439-2017 Active National standards

GB/T 23439-2017 Expansive agents for concrete

GB/T 23439-2017 Expansive agents for concrete

Publish Date: 2017-12-29 Implement Date: 2018-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 23439-2017

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cement additives and admixtures

ICS Name: Concrete and concrete products

Publish Date: 2017-12-29

Implement Date: 2018-11-01

Pages: 18 pages

Scope

This standard specifies the terms and definitions, classification and marking, requirements, test methods, inspection rules, and packaging, marking, transportation, and storage of concrete expansion agents.
This standard applies to powdered concrete expansion agents of the calcium aluminate type, the calcium oxide type, and the calcium aluminate-calcium oxide type.

Development Information

Word Count: 34 Thousand words Pages: 18 pages

Replace the following standards

GB/T 23439-2009 Expansive agents for concrete

Referenced Standards

GB/T 176-1996 Method for chemical analysis of cement GB/T 176-2008 Methods for chemical analysis of cement GB/T 176-2017 Methods for chemical analysis of cement GB/T 700-1988 Carbon structural steels GB/T 700-2006 Carbon structural steels GB/T 1345-1991 Test method for fineness of cement—The 80μm sieve GB/T 1345-2005 The test sieving method for fineness of cement 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 1499.2-2007 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 1499.2-2018 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB 1499.2-2024 Steel for the reinforcement of concrete—Part 2:Hot rolled ribbed bars GB/T 4357-1989 Carbon spring steel wires GB/T 4357-2009 Cold-drawn non-alloy steel wire for springs GB/T 4357-2022 Cold-drawn unalloyed steel wire for springs GB/T 6003.1-1997 Test sieves of metal wire cloth GB/T 6003.1-2012 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 6003.1-2022 Test sieves—Technical requirements and testing—Part 1:Test sieves of metal wire cloth GB/T 8074-1987 Testing method for specific surface of cement—Blaine method GB/T 8074-2008 Testing method for specific surface of cement—Blaine method GB 8076-1997 Concrete admixtures GB 8076-2008 Concrete admixtures GB 12573-1990 Sampling method of cement GB/T 12573-2008 Sampling method for cement GB/T 17671-1999 Method of testing cements—Determination of strength GB/T 17671-2021 Test method of cement mortar strength(ISO method) YB/T 5241-2014 Low expansion iron-nickel and iron-nickel-cobalt alloys YB/T 5241-2005 Iron-nickel、iron-nickel-cobalt alloy of low expansion GB/T 1346-2024 Test methods for water requirement of standard consistency,setting time and soundness of the portland cement GB/T 50081-2019 Standard for test methods of concrete physical and mechanical properties JGJ 63-2006 Standard of water for concrete GB/T 8076-2025 Concrete admixtures GB/T 176-2025 Methods for chemical analysis of cement

Related Standards

GB/T 3691-1983 Replaced

GB/T 3691-1983 Test method of ferrocement panels in flexure

Publish Date: 1983-05-24

GB/T 3692-1983 Replaced

GB/T 3692-1983 Test method of ferrocement panels in axial tension

Publish Date: 1983-05-24

GB/T 4582-1984 Active

GB/T 4582-1984 Terms and their definition of ferrocement

Publish Date: 1984-07-20

GB/T 8075-1987 Replaced

GB/T 8075-1987 Classification, nomenclature and definition of concrete admixtures

Publish Date: 1987-07-15

GB/T 14908-1994 Abolished

GB/T 14908-1994 Internal and partition concrete panel in residence

Publish Date: 1993-12-30

GB 396-1994 Replaced

GB 396-1994 Circular reinforced concrete pole

Publish Date: 1994-12-22