JG/T 525-2017 English PDF

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JG/T 525-2017: Concrete vacuum dewatering facilities
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
JG/T 525-2017	669	Add to Cart	5 days	Concrete vacuum dewatering facilities	Valid

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Basic data

Standard ID: JG/T 525-2017 (JG/T525-2017)
Description (Translated English): Concrete vacuum dewatering facilities
Sector / Industry: Building & Construction Industry Standard (Recommended)
Classification of Chinese Standard: P97
Classification of International Standard: 91.220
Word Count Estimation: 29,256
Date of Issue: 2017-11-27
Date of Implementation: 2018-05-01
Older Standard (superseded by this standard): JG/T 5060.1-1995; JG/T 5060.2-1995
Quoted Standard: GB/T 2828.1; GB/T 4942.1; JG/T 5050; JB/T 5943; JB/T 5946; JB/T 5947; JB/T 7255
Regulation (derived from): Housing and Urban-Rural Development Bulletin 2017 No. 1736
Issuing agency(ies): Ministry of Housing and Urban-Rural Development of the People's Republic of China
Summary: This standard specifies the type, requirements, test methods, inspection rules, signs, packaging, transportation and storage of concrete vacuum dewatering devices (hereinafter referred to as dehydration devices). This standard applies to dewatering devices that use a water ring pump as a host.

JG/T 525-2017: Concrete vacuum dewatering facilities

---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.
Concrete vacuum dewatering facilities ICS 91.220 P97 People's Republic of China Construction Industry Standard Replacing JG/T 5060.1-1995, JG/T 5060.2-1995 Concrete vacuum dewatering device Released on.2017-11-27 2018-05-01 implementation Ministry of Housing and Urban-Rural Development

Content

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Model 1 5 Requirements 2 6 Test method 3 7 Inspection rules 12 8 Marking, packaging, transport and storage 13 Appendix A (Normative Appendix) Theoretical dry air flow calculation method 15 Appendix B (Normative Appendix) Test Calculation Data Processing Chart 16 Appendix C (informative appendix) test bench layout diagram 17 Appendix D (Normative) Test Record Table 18

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces JG/T 5060.1-1995 and JG/T 5060.2-1995. And JG/T 5060.1-1995, JG/T 5060.2- Compared with.1995, the main technical content changes are as follows. ---Modified the contents of the request; --- Delete some general test content; --- Redefine the test requirements; --- Updated some normative references; --- Added some technical terms. 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 Construction Safety Standardization Technical Committee of the Ministry of Housing and Urban-Rural Development. This standard was drafted. China Academy of Building Research, China Academy of Building Research Construction Mechanization Research Branch, Beijing Construction Machinery Chemical Research Institute, China Construction Machinery Industry Association User Work Committee, China Construction Education Association Construction Machinery Vocational Education Professional Committee, Shijiazhuang Railway University, Zhongtai Construction Group Co., Ltd., Shandong Dejian Group Co., Ltd., Beijing Yanjing Engineering Management Co., Ltd., Wu Han Dongfang Construction Group Co., Ltd., Hebei Construction Group Qianqiu Pipe Industry Co., Ltd., Zhejiang Second Construction Group Co., Ltd., Langfang City City Construction Engineering Group Corporation, Langfang Kaibo Construction Machinery Technology Co., Ltd., China Construction Machinery Industry Association Concrete Products Machinery Branch, Zhongchengtou Group Eighth Engineering Bureau Co., Ltd. The main drafters of this standard. Zhou Lei, Cao Guozhen, Meng Zhu, Shi Xiaohu, An Zhifang, Liu Chengyu, Lu Weitao, Guo Wenwu, Cheng Zhi, Dong Xiang, Hu Zhaowen, Wang Zhenxi, Wang Haidong, Zhang Gangquan, Ma Fenggong, Fang Yingqun, Fan Liangyi, Chen Chunlei, Hu Changling, Wang Qian, Chen Yuning, Mao Xianghua. The previous versions of the standards replaced by this standard are. ---JG/T 5060.1-1995; ---JG/T 5060.2-1995. Concrete vacuum dewatering device

1 Scope

This standard specifies the type, requirements, test methods, inspection rules, signs, and concrete vacuum dewatering devices (hereinafter referred to as dehydration devices). Packaging, transportation and storage. This standard applies to dehydration devices with a water ring pump as the main unit.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2828.1. Sampling and sampling procedures - Part 1 . Batch-to-batch sampling plan searched by the acceptance quality limit (AQL) GB/T 4942.1 Rotating electrical machine overall structure protection class (IP code) JG/T 5050 General Rules for Reliability Assessment of Construction Machinery and Equipment General technical conditions for JB/T 5943 construction machinery welding parts JB/T 5946 General technical conditions for engineering machinery painting JB/T 5947 General technical conditions for engineering machinery packaging JB/T 7255 water ring vacuum pump and water ring compressor

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Maximum vacuum maximumvacuumdegree The vacuum degree of the vacuum dehydration device when the intake air amount is zero. 3.2 Vacuum irregularity rate vacuumirregularity The degree of unevenness of the vacuum state at each point on the vacuum work plane. 3.3 Cement loss rate cementlossrate The percentage of cement sucked out of concrete and the mass of cement before sucking.

4 model

4.1 Model regulations The product model consists of group, type, characteristic code, main parameter and updated variant code. The main parameters of the vacuum dewatering device are the maximum pumping scale. Show, marked as follows. ......

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