Search result: JG/T 243-2009
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Apparatus for resistance to freeze-thaw test of concrete
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JG/T 243-2009
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| Standard ID | JG/T 243-2009 (JG/T243-2009) | | Description (Translated English) | Apparatus for resistance to freeze-thaw test of concrete | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | P96 | | Classification of International Standard | 91.220 | | Word Count Estimation | 14,179 | | Date of Issue | 2009-04-20 | | Date of Implementation | 2009-12-01 | | Quoted Standard | GB/T 3280; GB 4706.1; GB 4706.13; GB 4706.17; GB 4706.19; GB J82; DL/T 5150; JTG E30; JTJ 270; SJ 20722; SL 352 | | Drafting Organization | China Academy of Building Research | | Administrative Organization | Ministry of Housing and Urban-Rural Development, Construction Standards and Technology Unit | | Regulation (derived from) | Bulletin of the Ministry of Housing and Urban No. 285 | | Summary | This standard specifies test equipment concrete antifreeze classification and marking, composition, materials and conditions, requirements, test methods, inspection rules, marking, packaging, transport and storage. This standard applies to concrete frost test equipment (including: rapid freezing and thawing of concrete testing equipment, concrete testing equipment, and concrete slow thaw unilateral freeze-thaw test equipment) the design, production and quality inspection. |
JG/T 243-2009
Apparatus for resistance to freeze-thaw test of concrete
People's Republic of China building industry standards
Concrete antifreeze test equipment
Posted.2009-04-20
2009-12-01 implementation
Ministry of Housing and Urban-Rural Development, People's Republic of China released
Foreword
This standard proposed by the Ministry of Housing and Urban Standard and Design Institute.
This standard by the Ministry of Housing and Urban Construction Standard Technical focal points centralized.
This standard is drafted by. China Academy of Building Research.
Participated in the drafting of this standard. Tsinghua University, China Railway Academy, Nanjing Institute of Hydraulic Research, Liaoning Province, Building Science Research
Institute, South China University of Technology, the Yellow River Conservancy Commission of the Yellow River Water Resources Research Institute, China Tianjin Tianjin Harbor Engineering Research Institute, Zhejiang Lu Da mechanical equipment
Co., Ltd., Beijing think twice line Measurement and Control Technology Co., Ltd., Zhejiang Branch Instrument Co., Ltd., Beijing resistance constant detection equipment Technology Development Co., Ltd.
Division, Tianjin Tianyu Experimental Instrument Co., Ltd., Building Research Building Materials Co., Ltd.
The main drafters of this standard. cold light, Tian Guanfei, Ding Wei, Li Qingbin, An Xuehui, Xie Yongjiang, Ding Jian Tong, Wang Yuan, Yang Bo, Zheng Guanghe,
Li Junyi, Chen Jinde, Lu Guoliang, Xie Yueqing, Wang Zhihuai, Wang Yujie, Zhou Yongxiang, Bao Kemeng, Tian Kai, Ji Xiankun.
Concrete antifreeze test equipment
1 range
This standard specifies the classification and marking of concrete freezing resistance test equipment, composition, materials and conditions of use, requirements, test methods, test rules
Then, signs, packaging, transportation and storage.
This standard applies to concrete antifreeze test equipment (including. concrete rapid freeze-thaw test equipment, concrete slow freeze-thaw test equipment and
Concrete unilateral freeze-thaw test equipment) design, production and quality inspection.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, their subsequent revision
A single change (excluding corrections) or revisions do not apply to this standard, however, encourage the parties to reach an agreement in accordance with this standard study whether
You can use the latest version of these files. For undated references, the latest version applies to this standard.
GB/T 3280 stainless steel cold-rolled steel sheet and strip
GB 4706.1 Safety of household and similar electrical appliances - Part 1. General requirements
GB 4706.13 Safety of household and similar electrical appliances - Refrigerating appliances, special requirements for ice cream machines and ice makers
GB 4706.17 Safety of household and similar electrical appliances - Particular requirements for motors - compressors
GB 4706.19 Household and similar electrical appliances - Safety liquid heater special requirements
GB J82 ordinary concrete long-term performance and durability test methods
DL/T 5150 hydraulic concrete test procedures
Test code for JTGE30 highway concrete and cement concrete
Test code of concrete for JTJ270 waterway project
General Specifications for SJ20722 RTD Temperature Sensor
SL352 hydraulic concrete test procedures
3 classification and marking
3.1 classification
3.1.1 according to the form of freezing and thawing is divided into.
a) Rapid freezing and thawing test equipment, code-named K;
b) slow freezing and thawing concrete test equipment, code-named M;
c) Concrete unilateral freeze-thaw test equipment, code-named D.
3.1.2 by nominal capacity, as shown in Table 1.
Table 1 by nominal capacity classification method
Freeze-thaw form nominal capacity standard specimen size number of specimens per group code
Concrete rapid freezing and thawing
Test equipment
3 groups
5 groups
9 groups
400 mm × 100 mm × 100 mm 3
Concrete slow freezing and thawing
Test equipment
6 groups
12 groups
18 groups
100mm × 100mm × 100mm 3
......
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