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GB/T 42871-2023 English PDF

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US$264.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42871-2023: Non-destructive testing - Acoustic emission testing - Measurement method for acoustic emission signals in concrete
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42871-2023	264	Add to Cart	3 days	Non-destructive testing - Acoustic emission testing - Measurement method for acoustic emission signals in concrete	Valid

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Basic data

Standard ID: GB/T 42871-2023 (GB/T42871-2023)
Description (Translated English): Non-destructive testing - Acoustic emission testing - Measurement method for acoustic emission signals in concrete
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 19.100
Word Count Estimation: 14,115
Date of Issue: 2023-08-06
Date of Implementation: 2023-08-06
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42871-2023: Non-destructive testing - Acoustic emission testing - Measurement method for acoustic emission signals in 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.
ICS 19.100 CCSJ04 National Standards of People's Republic of China Non-destructive testing of acoustic emission testing of concrete acoustic emission Signal testing methods (ISO 16836.2019,IDT) Published on 2023-08-06 2023-08-06 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Preface III 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 AE wave detection 2 5 Test system 3 6 Signal Analysis and AE Parameters 4 7 Setup and Test 5 8 Test report 6 Appendix A (informative) Recommended sensor types for concrete detection 7 Reference 8

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document is equivalent to ISO 16836.2019 "Test method for non-destructive testing of acoustic emission signals in concrete". Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed and coordinated by the National Nondestructive Testing Standardization Technical Committee (SAC/TC56). This document was drafted by. Southeast University, Shanghai Materials Research Institute Co., Ltd., MCC Testing and Certification (Shanghai) Co., Ltd., Ministry of Water Resources Metal Structure Quality Inspection and Testing Center, Changsha University of Science and Technology, China Special Equipment Inspection and Research Institute, Aerospace Intelligent Manufacturing (Shanghai) Technology Co., Ltd. Company, Zhongte Inspection Instrument (Jiaxing) Co., Ltd. The main drafters of this document. Ding Jie, Ding Hui, Zhang Pinghui, Wu Weiping, Zheng Yang, Hu Hongwei, Yan Jingli, Li Dongfeng, Wang Lei, Dai Ting, Han Lina, Xu Guozhen, Zhan Jun, Fei Qinnan, Zhang Zongjian. Non-destructive testing of acoustic emission testing of concrete acoustic emission Signal testing methods

1 Scope

This document specifies the test methods for acoustic emission signals from concrete.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. ISO 12713 Primary calibration of acoustic emission detection transducers for non-destructive testing (Non-destructive testing-Acoustic Note. GB/T 19800-2005 First-level calibration of acoustic emission detection transducers for non-destructive testing (ISO 12713.1998, IDT) ISO 12714 Secondary calibration of acoustic emission sensors for non-destructive testing (Non-destructive testing- Note. GB/T 19801-2005 Secondary calibration of acoustic emission sensors for non-destructive testing of acoustic emissions (ISO 12714.1999, IDT) tion-Vocabulary) Note. GB/T 12604.4-2005 Non-destructive testing terminology acoustic emission testing (ISO 12716.2001, IDT) ISO /T R13115 Absolute calibration method for acoustic emission sensors based on reciprocity technology for non-destructive testing (Non-destructivetes-

3 Terms and definitions

The terms and definitions defined in ISO 12716 and below apply to this document. The URLs for the terminology databases used in standardization work maintained by ISO and IEC are as follows. 3.1 Acoustic emission acousticemission AE The energy of the local energy source in the material is rapidly released to generate transient elastic waves. 3.2 Acoustic emission signalAEsignal An electrical signal generated by the conversion of AE waves (3.3) (elastic waves) detected by the sensor. 3.3 AEwaveAEwave A wave that can be detected as an impact (3.5) on one or more channels (3.4). ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42871-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42871-2023_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 42871-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42871-2023_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.