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GB/T 2542-2012Test methods for wall bricks (English PDF)

砌墙砖试验方法

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2012

Implementation date

September 1, 2013

Scope

GB/T 2542-2012 is the English-translated version of 砌墙砖试验方法.

GB/T 2542-2012 is the Chinese standard "Test methods for wall bricks".

Its scope clause reads: This standard specifies the terms and definitions wall bricks, size, appearance quality, flexural strength, compressive strength, freezing and thawing, bulk density, lime burst, Efflorescence, water absorption and saturation coefficient, porosity and pore structure, drying shrinkage, carbonation test methods, softened.

This standard applies to masonry brick. Its clauses include terms and definitions; measure.

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Document preview — GB/T 2542-2012

National Standard of the People's Republic of China

ICS: 91.100.15
Classification: Q 15
Replacing: GB/T 2542-2003

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measure
6 flexural strength test
7 5 compressive strength test
8 freeze-thaw test
9 bulk density test
10 Lime Burst Test
12 and saturated water absorption coefficient test
13 Determination of porosity and pore structure
14 drying shrinkage test
17 Test Report

1 Scope

This standard specifies the terms and definitions wall bricks, size, appearance quality, flexural strength, compressive strength, freezing and thawing, bulk density, lime burst,

Efflorescence, water absorption and saturation coefficient, porosity and pore structure, drying shrinkage, carbonation test methods, softened.

This standard applies to masonry brick.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated edition applies to this article

Member. For undated references, the latest edition (including any amendments) applies to this document.

GB/T 18968 wall material terms

GB/T 25044 compressive strength of masonry brick sample preparation equipment General requirements

GB/T 25183 wall bricks compressive strength test grout material

3 Terms and Definitions

GB/T 18968 defined terms and definitions apply to this document.

4 Measure

Measuring 4.1

Brick with a caliper (Figure 1), dividing the value of 0.5mm.

1 --- vertical feet;

2 --- feet.

Figure 1 Brick with a caliper

4.2 Measurement Methods

Length should be separately measured in two dimensions at the middle of two Omo brick; width should be measured separately in two Omo two middle bricks

One size; height should be measured separately in the middle of the two surfaces and the two dimensions shown in Figure 2. When measured at a defective or projections when available.

Next to measure, but it should be in a negative side. Accurate to 0.5mm.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

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Editions of GB/T 2542

Edition	Title	Revision	Status
GB/T 2542-2012	Test methods for wall bricks	current edition	Current
GB/T 2542-2003	Test methods for wall bricks	previous edition	Superseded

This page sells the current edition, GB/T 2542-2012. Earlier editions are listed for reference only.

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