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GB/T 31245-2024 | English | 429 |
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Ready-mixed mortar terminology
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GB/T 31245-2024
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GB/T 31245-2014 | English | 419 |
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Ready-mixed mortar terminology
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GB/T 31245-2014
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Standard similar to GB/T 31245-2024 GB/T 51033 GB/T 50082 GB/T 31245
Basic data Standard ID | GB/T 31245-2024 (GB/T31245-2024) | Description (Translated English) | Ready-mixed mortar terminology | Sector / Industry | National Standard (Recommended) | Classification of Chinese Standard | Q13 | Classification of International Standard | 91.100.10 | Word Count Estimation | 21,218 | Date of Issue | 2024-10-26 | Date of Implementation | 2025-05-01 | Older Standard (superseded by this standard) | GB/T 31245-2014 | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 31245-2024: Ready-mixed mortar terminology---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT31245-2024
ICS 91.100.10
CCSQ13
National Standard of the People's Republic of China
Replaces GB/T 31245-2014
Ready-mixed mortar terminology
Released on October 26, 2024
Implementation on May 1, 2025
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Basic terms 1
4 Product Terminology 2
5 Raw Material Terminology 5
6 Performance Terms 5
7 Testing Equipment Terminology 6
8 Production process and equipment terminology 7
9 Construction technology and equipment terminology 8
10 Bulk Logistics System Terminology 9
Index 10
Preface
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 31245-2014 "Terminology for Ready-mixed Mortar". Compared with GB/T 31245-2014, except for the structural adjustment and editing
In addition to the functional changes, the main technical changes are as follows.
a) The scope of the document has been changed (see Chapter 1, Chapter 1 of the.2014 edition);
b) Changed the terms ready-mixed mortar, wet-mixed mortar, dry-mixed mortar, freshly mixed mortar, hardened mortar, and ordinary mortar (see Chapter 3,.2014 edition).
Chapter 2); Special mortars (see Chapter 3, 3.6 of the.2014 edition);
c) Deleted water-retaining masonry mortar, water-retaining plastering mortar, thermal insulation bonding mortar, tile bonding mortar, spraying mortar, cement
Asphalt mortar (see Chapter 3 of the.2014 edition);
d) Changes to ordinary masonry mortar, paving mortar, plastering (facing) mortar, ordinary facing mortar, plastering (stucco) plaster, ground mortar, water
Mud-based self-leveling mortar, gypsum-based self-leveling mortar, finishing mortar, interface mortar, joint mortar, bonding mortar, moisture-proof mortar, anchor
Solidifying mortar, grouting mortar, grouting mortar, moisture-proof mortar, leak-proof mortar, thermal insulation mortar (see Chapter 4, Chapter 3 of the.2014 edition);
Polymer mortar (see 4.15, 2.3 of the.2014 edition);
e) Added plastering mortar, ordinary floor mortar, semi-dry floor mortar, wear-resistant floor mortar, ordinary waterproof mortar, flexible water-stop sand
Mortar, permeable mortar, reinforcement mortar, repair mortar, sound insulation mortar, radiation proof mortar, crack resistant mortar, non-refractory mortar, bonding stone
Plaster, caulking plaster (see Chapter 4);
f) Deleted polymer emulsion, redispersible latex powder, reactive resin, expanded perlite, expanded vermiculite, expanded glass microspheres, fiber
Cellulose ether, amylase, thickener, hydrophobic agent, alkali-resistant glass fiber, synthetic fiber, wood fiber (see Chapter 4 of the.2014 edition);
g) Thixotropic agent has been changed (see 5.2, 4.10 of the.2014 edition);
h) Added water-retaining and thickening materials (see 5.1);
i) Shear strength, tensile strength and drying shrinkage have been deleted (see Chapter 5 of the.2014 edition);
j) The water consumption for standard diffusion, correction time and bonding strength have been changed (see Chapter 6, Chapter 5 of the.2014 edition);
k) Increased uniformity, consistency, thixotropy, open time, and sag resistance (see Chapter 6);
l) Deleted the tensile bond strength molding box (6.3 of the.2014 edition);
m) The vacuum water retention rate tester has been changed (see 7.2, 6.1 of the.2014 edition);
n) Added consistency meter, setting time meter, and mortar impermeability meter (see Chapter 7);
o) The drying process, metering process and bulk head have been changed (see Chapter 8, Chapter 7 of the.2014 edition);
p) Added continuous mortar mixers, intermittent wet mortar mixers, and dry mortar stacking robots (see Chapter 8);
q) Deleted the toothed trowel (see 8.5 of the.2014 edition);
r) The mortar pump has been modified (see 9.6, 8.10 of the.2014 edition);
s) Added mechanical spraying plastering and mortar combined machine (see Chapter 9);
t) Fixed horizontal dry-mix mortar transport tankers, backpack tankers, and average unloading speed have been modified (see Chapter 10, Chapter 9 of the.2014 edition);
u) Added bulk mobile silos for dry-mixed mortar (see 10.5).
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is proposed by China Building Materials Federation.
This document is under the jurisdiction of the National Technical Committee for Standardization of Cement Products (SAC/TC197).
Yang Lianrong, Zhang Humin, Huang Jun, Guo Xingbo, Chen Xi, Yang Chen, Huang Zhaoming, Dong Weiliang, Guo Qunlu, Li Jian, Chen Tao, Tian Xiaolu, Wu Xiaohua, Luo Donglin,
Wang Xiaobing, Wang Xiongfei, Liu Lixia, Liu Chuanyong, Qi Ligang, Luo Zuoqiu, Li Xiaohua, Jia Qingshuang, Luo Yuanbing, Huang Yunfei, Liu Zihe, Liu Xiaojuan,
Zhang Kai, Zhang Junjun, Zhong Jiaqiang, Liang Dong, Lei Ming, Song Deqiang, Liu Yuhu, and Dai Yaowen.
This document was first published in.2014 and this is the first revision.
Ready-mixed mortar terminology
1 Scope
This document defines the basic terms, product terms, raw material terms, performance terms, testing equipment terms, production process and
Equipment terminology, construction technology and equipment terminology, and bulk logistics system terminology.
This document applies to the production, trade, scientific research, teaching, testing, design, construction, management and related fields of ready-mixed mortar.
2 Normative references
This document has no normative references.
3 Basic Terminology
3.1
ready-mixed mortar
The mixture is made of cementitious materials, fine aggregates, admixtures and other ingredients determined by performance, which are measured and mixed in proportion in the factory.
compound.
Note. Includes dry-mix mortar and wet-mix mortar.
3.1.1
wet-mixed mortar
Premixed mortar is added with water in the factory, transported to the place of use by a mixer truck, and used within the specified time.
3.1.2
dry-mixed mortar
Premixed mortar that can be used directly after adding water and mixing at the place of use.
3.2
fresh mortar
A mixture that is made by mixing cementitious materials, fine aggregates, admixtures, water, etc. in proportion and stirring them evenly, but has not yet solidified.
3.3
hardened mortar
Mortar mixture after solidification and hardening.
3.4
ordinary mortar
Premixed mortar that meets the general requirements of masonry, plastering, flooring and other projects.
Note. Includes ordinary masonry mortar, ordinary plastering mortar, ordinary floor mortar and ordinary waterproof mortar.
3.5
Special mortar specialmortar
Mortar with one or more special properties such as anti-seepage, anti-cracking, decoration, and thermal insulation.
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