GB/T 42272-2022 Active National standards

GB/T 42272-2022 The method for determining the chloride diffusion coefficient for cement mortar

Publish Date: 2022-12-30 Implement Date: 2023-04-01 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 42272-2022

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cement

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2022-12-30

Implement Date: 2023-04-01

Pages: 9 pages

Scope

This document specifies the instrumentation, materials, laboratory conditions, specimen molding, specimen curing, chloride ion diffusion coefficient testing, test results and processing, testing allowable deviations, and performance evaluation for the detection of the chloride ion diffusion coefficient of cement mortar. This document is applicable to general silicate cement, marine silicate cement, and other cements specified to use this document.

Development Information

Word Count: 20 Thousand words Pages: 9 pages

Referenced Standards

GB 175-1999 Portland cement and ordinary Portland cement GB 175-2007 Common portland cement GB 175-2023 Common portland cement GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods 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 681-2022 Planetary cement mortar mixer JC/T 681-1997 Planetary cement sand mix mixer JC/T 726-1997 Cement mortar test mold JC/T 681-2005 Mixer for mixing mortars JC/T 723-2005 Cement mortar vibration compaction equipment JC/T 726-2005 Mould for cement mortars

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