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JG/T 520-2018: Test method for compressive strength of extrusion concrete
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| JG/T 520-2018 | English | 169 |
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Test method for compressive strength of extrusion concrete
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JG/T 520-2018
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Basic data | Standard ID | JG/T 520-2018 (JG/T520-2018) | | Description (Translated English) | Test method for compressive strength of extrusion concrete | | Sector / Industry | Building & Construction Industry Standard (Recommended) | | Classification of Chinese Standard | Q13 | | Classification of International Standard | 91.100.30 | | Word Count Estimation | 7,779 | | Date of Issue | 2018-11-07 | | Date of Implementation | 2019-04-01 | | Older Standard (superseded by this standard) | JG/T 3023-1995 | | Quoted Standard | GB/T 2611; GB/T 3159; GB/T 50081; GB/T 50107; JG 237; JG/T 245 | | Regulation (derived from) | Ministry of Housing and Urban-Rural Development Announcement 2018 No. 275 | | Issuing agency(ies) | Ministry of Housing and Urban-Rural Development of the People's Republic of China | | Summary | This standard specifies the equipment for the compressive strength test of extruded concrete, the preparation and maintenance of test pieces, and the compressive strength test. This standard is applicable to the compressive strength test of extruded concrete with a Weibul consistency of 21s~30s. | JG/T 520-2018: Test method for compressive strength of extrusion concrete---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.
Test method for compressive strength of extrusion concrete
ICS 91.100.30
Q13
People's Republic of China Construction Industry Standard
Replace JG/T 3023-1995
Test method for compressive strength of extruded concrete
Published on.2018-11-07
Implementation of.2019-04-01
Ministry of Housing and Urban-Rural Development
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Equipment 1
4 specimen production and maintenance 2
5 compressive strength test 3
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is a revision of JG/T 3023-1995 "Test method for compressive strength of concrete for extruded hollow slabs". versus
Compared with JG/T 3023-1995, the main technical contents are changed as follows.
--- Revised the scope of application (see Chapter 1, Chapter 1 of the.1995 edition);
---Modified the specifications and models of the test mode and vibration table, and increased the technical requirements of the pressure test machine (see Chapter 3,
Chapter 3 of the.1995 edition);
--- Revised the test method and maintenance conditions of the test piece (see Chapter 4, Chapter 5 of the.1995 edition);
--- Revised the technical requirements for the test parameters and methods of compressive strength of concrete specimens (see Chapter 5, Chapter 6 of the.1995 edition);
--- Increased the relevant requirements of the test report (see Chapter 5).
This standard was proposed by the Institute of Standardization of the Ministry of Housing and Urban-Rural Development.
This standard is under the jurisdiction of the Building Structure Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development.
This standard was drafted. Henan Architectural Science Research Institute Co., Ltd., Henan Zhongan Construction Engineering Co., Ltd., Beijing Wanxing Building Set
Group Co., Ltd., Guangdong Provincial Academy of Building Research Group Co., Ltd., Henan Province Construction Engineering Quality Inspection and Testing Center Station
Division, Henan Construction Vocational and Technical College.
The main drafters of this standard. Qian Wei, Liu Fulin, Wang Tianshu, Zhou Shuancheng, Zhou Houzhi, Song Xianrui, Wang Yaming, Zhong Fang, Li Wenjie, Chang Xinwei,
Yan Bing, Li Jianxin, Zheng Haozhong, Wang Ying, Kong Tong, Yan Zijun, Liu Peizhi, Liang Baoguo, Li Weimin, Jin Ming, Chen Jiye.
The previous versions of the standards replaced by this standard are.
---JG/T 3023-1995.
Test method for compressive strength of extruded concrete
1 Scope
This standard specifies the equipment for the compressive strength test of extruded concrete, the preparation and maintenance of test pieces, and the compressive strength test.
This standard is applicable to the compressive strength test of extruded concrete with a Weibul consistency of 21s~30s.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
General technical requirements for GB/T 2611 testing machine
GB/T 3159 Hydraulic Universal Testing Machine
GB/T 50081 Standard test method for mechanical properties of ordinary concrete
GB/T 50107 concrete strength inspection and evaluation standard
JG 237 concrete test mode
JG/T 245 vibration table for concrete test
3 equipment
3.1 Test piece making equipment
3.1.1 The test piece making equipment is mainly composed of test mold, sleeve mold, vibration table and pressurizing device, as shown in Figure 1.
Description.
1---guide rod;
2---beam;
3---column;
4--- load block;
5---test mode;
6---set mold;
7---vibration table;
8---Base.
Figure 1 Schematic diagram of the test piece making equipment
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