GB/T 750-2024 Active National standards

GB/T 750-2024 Test method for autoclave expansion of cement

GB/T 750-2024 Test method for autoclave expansion of cement

Publish Date: 2024-10-26 Implement Date: 2025-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 750-2024

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Cement

ICS Name: Cement, gypsum, lime, and mortar

Publish Date: 2024-10-26

Implement Date: 2025-05-01

Pages: 16 pages

Scope

This document presents the methodological principles of the autoclave stability test for cement, and specifies the instruments and equipment, materials, test conditions, molding and curing of test specimens, measurement of test specimen length, autoclave treatment of test specimens, and calculation and evaluation of test results.
This document is applicable to the determination of the autoclave stability of hardened cement paste. Among them, the test method for 25 mm×25 mm×280 mm test specimens is the reference method, and the test method for 25 mm×25 mm×146 mm test specimens is the substitute method.

Development Information

Word Count: 21 Thousand words Pages: 16 pages

Replace the following standards

GB/T 750-1992 Autoclave method for soundness of portland 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 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 603 JC/T 681-2022 Planetary cement mortar mixer JC/T 681-1997 Planetary cement sand mix mixer JC/T 681-2005 Mixer for mixing mortars JC/T 723-2005 Cement mortar vibration compaction equipment JC/T 729-2005 Mixer for cement paste 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