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GB/T 40259-2021 English PDF

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US$259.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 40259-2021: General specification for supporting quality of longwall face
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 40259-2021	259	Add to Cart	3 days	General specification for supporting quality of longwall face	Valid

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Basic data

Standard ID: GB/T 40259-2021 (GB/T40259-2021)
Description (Translated English): General specification for supporting quality of longwall face
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: D90
Word Count Estimation: 14,182
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 40259-2021: General specification for supporting quality of longwall face

---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.
General specification for supporting quality of longwall face ICS 73.100.01 CCSD90 National Standards of People's Republic of China Technical conditions for testing the support quality of fully mechanized mining face Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

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 of Standardization Documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed and managed by the China Coal Industry Association. Drafting organizations of this document. Tiandi Technology Co., Ltd., Shandong Energy Zibo Mining Group Co., Ltd., Datong Coal Mine Group Limited Liability Company, Coal Science and Technology Research Institute Co., Ltd. The main drafters of this document. Hou Gang, Wang Guofa, Yan Donghui, Wang Biaomou, Ren Huaiwei, Guo Xinli, Zhang Peijun, Du Yibo, Fu Jingyu, Zhang Jun, Wen Zhiguo, Zhang Jinhu, Liu Junfeng. Technical conditions for testing the support quality of fully mechanized mining face

1 Scope

This document specifies the technical requirements, test methods, inspection rules, and standards for support quality testing (hereinafter referred to as support testing) for fully mechanized mining face Logging, packaging, transportation and storage. This document is applicable to the inspection of the support quality of the fully mechanized coal mining face.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 191 Packaging, storage and transportation pictorial signs GB/T 2423.1-2008 Environmental testing of electric and electronic products Part 2.Test method Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.4-2008 Environmental testing of electrical and electronic products Part 2.Test method Test Db. Alternating damp heat (12h 12h cycle) GB/T 2423.5-2019 Environmental Test Part 2.Test Method Test Ea and Guideline. Impact GB/T 2423.10-2019 Environmental Test Part 2.Test Method Test Fc. Vibration (Sine) GB 3836.1-2010 Explosive Atmosphere Part 1.General Requirements for Equipment GB 3836.2-2010 Explosive atmosphere Part 2.Equipment protected by flameproof enclosure "d" GB 3836.3-2010 Explosive atmosphere Part 3.Equipment protected by increased safety "e" GB 3836.4-2010 Explosive atmosphere Part 4.Equipment protected by intrinsically safe "i" GB 3836.9 Explosive atmosphere Part 9.Equipment protected by encapsulated type "m" GB/T 4208-2017 Enclosure protection grade (IP code) The generation of GB/T 10111 random number and its application in product quality sampling inspection GB/T 17626.3 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5 Electromagnetic compatibility test and measurement technology surge (impact) immunity test MT209 General technical requirements for electrical and electronic products for coal mine communication, detection and control MT210-1990 Basic test method of electrical and electronic products for coal mine communication, detection and control MT/T 772-1998 Main performance test method of coal mine monitoring system MT/T 899 mining information transmission device

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Supportingqualityoflongwalface The effect of coupling support and roof and floor management of fully mechanized mining support equipment and the surrounding rock of the working face. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 40259-2021_English be delivered?

Answer: Upon your order, we will start to translate GB/T 40259-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 40259-2021_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 40259-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.