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Test method for viscosity of cement paste
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Basic data
| Standard ID | GB/T 43876-2024 (GB/T43876-2024) |
| Description (Translated English) | Test method for viscosity of cement paste |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | Q11 |
| Classification of International Standard | 91.100.10 |
| Word Count Estimation | 10,115 |
| Date of Issue | 2024-04-25 |
| Date of Implementation | 2024-11-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 43876-2024: Test method for viscosity of cement paste
---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 People's Republic of China
Cement paste viscosity determination method
Released on 2024-04-25
2024-11-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Foreword
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:
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 was proposed by 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 Science Research Institute Co:, Ltd:, China Construction Third Engineering Bureau Group South China Co:, Ltd:, Beijing Jinyu Concrete
Concrete Co:, Ltd:, Zhuhai Zhenye Intelligent Manufacturing Co:, Ltd:, China First Metallurgical Group Co:, Ltd:, Jiangsu Zhonghe Huaxing Engineering Testing Co:, Ltd:
China Railway 12th Bureau Group Co:, Ltd:, Zhejiang Wudebaoer New Materials Co:, Ltd:, Rizhao Water Engineering Construction Co:, Ltd:, China Railway 20th Bureau Group Co:, Ltd:
Bureau Group Co:, Ltd:, China Agricultural University, Sichuan Esheng Cement Group Co:, Ltd:, Xiangyun County Building Materials (Group) Co:, Ltd:,
China Communications Construction (Guangzhou) Co:, Ltd:, Zhejiang Second Construction Group Co:, Ltd:, Shandong Expressway Engineering Testing Co:, Ltd:, MCC Building Research
Ltd:, China Railway Engineering Design Consulting Group Co:, Ltd:, Lunan Zhonglian Cement Co:, Ltd:, Wuhan University of Technology, Hangzhou Simante Building Materials Technology
Ltd:
The main drafters of this document are: Liu Chen, Zheng Xu, Li Tiansheng, Gao Ruijun, Wei Jianbiao, Qiu Lijun, Li Jian, Du Hongkun, Zhang Quangui, Wan Weifu,
Wu Guanxi, Tian Guoqing, Zhang Hui, Li Shaoxiang, Zhao Nianquan, Wang Shengjie, Chen Yulu, Lu Lili, Zhou Jian, Peng Hongtao, Zhu Hongtao, Tan Chenglin, Zhang Limei,
Tan Xiaofeng, Long Wujian, Chen Haiyan, Zhou Xuguang, Xu Gang, Min Hongguang, Long Guangshan, Ran Guihou, Zhu Jun, Yu Yang, Li Huaifeng, Song Jie, Liu Di, Yuan Song,
Wang Shun, Miao Jijun, Hou Dongshuai, Wang Xinpeng, Wang Weijiang, Lan Wenxian, Li Chengguang, Wang Enchao, Li Zhaoxuan, Li Wenhu, Dong Hongfeng, Wang Junxing, Shen Liming,
Zhang Yonghong, Xiao Xiaoqing, Sun Zigang, Xiao Junfang, Huo Zhigang, Jia Jianbing, Zhong Shuihe, Liu Wen, Wang Zhizhong, Zhang Lingyun, Zhu Zhihua, Wang Yang, Wang Yichun,
Cai Xueling, Lin Zejian, Pancheng Township, Li Qian, Zeng Xinhua, Yan Kaijun, Li Mingke, Lin Haiyan, Tai Lei, Wang Zhiping, Ma Yuliang, Gao Peng, Yang Yonggan,
Dong Yanbin, Wang Lijun, Wang Yanshuai, Fang Guohao, Jiang Dawei, He Liangliang, Zhang Jinrui, Wang Yao, Wang Qinghao, Li Weiping, Che Haibao, Shi Lianjun, Li Bin,
Ma Guosong, Liu Yijun, Ren Dongzhao, Pan Lehui, Li Bo, Ye Ronghai, Liu Guangduo, Xu Kesheng, Wang Xiaolu, Ma Yuefei, Jing Yao, Jia Lujun, Cao Xiaorong,
Li Yanwu, Zhao Yun, Zhu Jie, Li Pengxiao, He Xiaolong, Li Yegen, Pan Xiaohao, Yi Weiping, Cheng Yan, Liu Jianyou, Dang Tonghui, Liu Yuqiang, Zhou Mingkai,
Shen Yijun, Wang Jing, Yang Tianhua, Liu Feng, Ma Zhongcheng, Zeng Zheng, Wen Peiyan:
Cement paste viscosity determination method
1 Scope
This document gives the principle of the determination method of cement paste viscosity and specifies the equipment, materials, laboratory temperature and humidity, cement paste
Preparation, viscosity determination, test results, repeatability limits and reproducibility limits:
This document is applicable to the determination of cement paste viscosity:
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document:
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document:
GB/T 1346 Test methods for water consumption, setting time and stability of cement of standard consistency
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 15724 Laboratory glassware beakers
JC/T 729 Cement paste mixer
JJG1002 Rotational Viscometer
3 Terms and definitions
The following terms and definitions apply to this document:
3:1
The resistance to flow exhibited by cement paste:
Note: Also known as cement paste viscosity:
4 Principle of the determination method
When the rotor of a single-cylinder rotary viscometer rotates at a constant speed in cement paste, the paste is sheared to produce a viscous torque, causing the viscometer to
The deflection of the elastic element generates torque: When the viscous moment is balanced with the deflection torque, the shear stress is obtained by measuring the deflection angle of the elastic element and the
The quotient of shear stress divided by shear rate is the viscosity of cement paste:
5: Instruments and Equipment
5:1 Single-cylinder rotational viscometer
The single cylinder rotary viscometer that complies with JJG1002 is used: The single cylinder rotary viscometer instrument measurement system consists of a motor, gears,
The measuring range is 0:001Pa·s~1000Pa·s, and the measuring error is
The error is ±5% (for Newtonian fluid), and the structural diagram is shown in Figure 1: The single-cylinder rotary viscometer should be used to measure the viscosity of cement paste before measurement:
Silicone oil series standard samples must be used for verification:
...
