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GB/T 47190-2026: Method for determining air content of cement mortar - Pressure method
Status: Valid
| Std ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status |
| GB/T 47190-2026 | English | 219 |
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Method for determining air content of cement mortar - Pressure method
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Standard similar to GB/T 47190-2026 GB/T 45927 | GB/T 40376 | GB/T 41060 | GB/T 47189 | GB/T 31289 | Basic data | Standard ID | GB/T 47190-2026 (GB/T47190-2026) | | Description (Translated English) | Method for determining air content of cement mortar - Pressure method | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Q11 | | Classification of International Standard | 91.100.10 | | Word Count Estimation | 10,112 | | Date of Issue | 2026-02-27 | | Date of Implementation | 2026-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, Standardization Administration of China | GB/T 47190-2026: Method for determining air content of cement mortar - Pressure method---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 91.100.10
CCSQ11
National Standards of the People's Republic of China
Method for determining air content in cement mortar. pressure method
Published on 2026-02-27
Implemented on 2026-09-01
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Building Materials Federation.
This document is under the jurisdiction of the National Cement Standardization Technical Committee (SAC/TC184).
This document was drafted by. China Building Materials Academy Co., Ltd., Xiamen Aisiou Standard Sand Co., Ltd., and Anhui Provincial Expressway Group Co., Ltd.
Highway Testing and Research Center Co., Ltd., China Three Gorges Corporation, China National Building Materials Zhongyan Technology Co., Ltd., China National Inspection and Quarantine Corporation
Test Holding Group Co., Ltd., China Nuclear Huachen Construction Engineering Co., Ltd., China Water Resources and Hydropower No. 8 Engineering Co., Ltd., Hefei Engineering
Large-scale engineering testing and inspection company, Guizhou Shunkang Testing Co., Ltd., Xinjiang Water Resources and Hydropower Survey and Design Institute Co., Ltd.
The company, China Railway 20th Bureau Group Second Engineering Co., Ltd., China Railway 11th Bureau Group Fifth Engineering Co., Ltd., and China Water Resources and Hydropower Third Engineering Co., Ltd.
Bureau Co., Ltd., China Power Construction Group Jiangxi Provincial Hydropower Engineering Bureau Co., Ltd., Jilin Xinfangyuan Testing and Certification Co., Ltd., Gezhouba Group Co., Ltd.
Laohekou Cement Co., Ltd., Shaanxi Zhuoxin Engineering Testing Co., Ltd., China Railway 14th Bureau Group Third Engineering Co., Ltd., Shandong Expressway Construction Co., Ltd.
Equipment Co., Ltd., China Railway Bridge Engineering Bureau Group Co., Ltd., and China Anneng Group Third Engineering Bureau Co., Ltd.
The main drafters of this document are. Zhang Kunyue, Wen Zhaijun, Duan Yingnan, Li Wenwei, Li Zibing, Yin Xiangnan, Mao Qiwen, Tan Fengling, and Geng Xinlei.
Nurhasim Muhammaitihan, Wang Tengwen, Cha Qing, Li Kai, Wang Xingqin, Ma Haijun, Wang Hongwei, Wang Hongjia, Wang Jizhong, Wang Chengjun
Tang Kaiyang, Wang Jiang, Hui Haitao, Pan Long, Zhang Qingtao, Man Tieqiang, Song Yang, Wang Min, Huang Wen, Gao Xianshu, Yang Huamei, Wang Hao, Wu Shasha, Duan Zhaohui
Xie Wen, Liu Runsheng, Xiao Zhendong, Pan Zhouhui, Wu Chaoli, Zhang Chao, Hong Zhenluo, Yi Lang, Wang Hailong, Du Yiling, Guo Junbo, Yi Dan, Liu Yun, Guo Suihua,
Yao Guang, Yu Yang, Shen Xin, Sun Mingming.
Method for determining air content in cement mortar. pressure method
1 Scope
This document describes a method for determining the air content in cement mortar using a pressure method.
This document applies to the determination of air content in general silicate cement and masonry cement mortar.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 17671 Test method for strength of cement mortar (ISO method)
GB/T 45002 Method for Determination of Water Retention Rate of Cement Mortar
JC/T 681 Planetary Cement Mortar Mixer
3 Terms and Definitions
This document does not contain any terms or definitions that need to be defined.
4.Measurement Principle
Freshly mixed cement mortar of a specified consistency was pressurized using an air content analyzer. The reduction in gas volume within the mortar after pressurization was measured.
The air content of freshly mixed mortar was calculated using a small value.
5.Laboratory Environment and Materials
5.1 Laboratory Environment
The temperature of the laboratory should be maintained at 20℃±2℃, and the relative humidity should not be less than 50%.
5.2 Test water
Use drinking water. In case of dispute, use Grade III water that meets the requirements of GB/T 6682.
5.3 Standard Sand
It meets the requirements of GB/T 17671.
6.Instruments and Equipment
6.1 Balance
The measuring range should be no less than 5000g, and the scale division should be no greater than 0.1g.
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