HOME   Cart(4)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

JJG 817-2011 English PDF

US$419.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
JJG 817-2011: Verification Regulation of Rebound Test Hammer
Status: Valid

JJG 817: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
JJG 817-2011English419 Add to Cart 3 days [Need to translate] Verification Regulation of Rebound Test Hammer Valid JJG 817-2011
JJG 817-1993English559 Add to Cart 4 days [Need to translate] Concrete Test Hammer Obsolete JJG 817-1993

PDF similar to JJG 817-2011


Standard similar to JJG 817-2011

GB/T 36126   JJG 797   GB/T 1885   JJG 126   JJG 815   JJG 808   

Basic data

Standard ID JJG 817-2011 (JJG817-2011)
Description (Translated English) Verification Regulation of Rebound Test Hammer
Sector / Industry Metrology & Measurement Industry Standard
Classification of Chinese Standard A53
Word Count Estimation 18,155
Date of Issue 2011-09-14
Date of Implementation 2012-03-14
Older Standard (superseded by this standard) JJG 817-1993
Quoted Standard GB/T 9138-1998
Regulation (derived from) AQSIQ Announcement No. 134 of 2011
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine
Summary This standard applies to Hammer's initial verification, testing and use of follow-up checks.

JJG 817-2011: Verification Regulation of Rebound Test Hammer

---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.
Verification Regulation of Rebound Test Hammer State verification procedures People's Republic of China Hammer Issued on. 2011-09-14 2012-03-14 implementation The State Administration of Quality Supervision, Inspection and Quarantine released Hammer test procedures Replacing JJG 817-1993 The regulations by the State Administration of Quality Supervision, Inspection and Quarantine on September 14, 2011, approved and since From March 14, 2012 into effect. Focal point. the National Technical Committee on Metering hardness force value Main drafting unit. Shaanxi Provincial Academy of Building Research China Institute of Metrology Participated in the drafting. Zhoushan Bo Yuan Science and Technology Development Co., Ltd. Leling City, Shandong Province Hammer plant This procedure hardness values measured force commissioned by the National Technical Committee is responsible for interpretation The main drafters of this procedure. Wen Heng Wu (Shaanxi Provincial Academy of Building Research) Zhang Wei (China Institute of Metrology) Drafters participate. Zhu Huafeng (Zhoushan Bo Yuan Science and Technology Development Co., Ltd.) Wei Chaoqi (Shaanxi Provincial Academy of Building Research) Wang Mingtang (Shandong Province Leling Hammer Factory)

table of Contents

1 Scope (1) 2. References (1) 3 terminology and units of measurement (1) 4 Overview (1) 5 metering performance requirements (2) 6 General Requirements (4) 6.1 Appearance (4) 6.2 moving part (4) 7 control of measuring instruments (4) 7.1 test conditions (4) 7.2 test items and test methods (5) 7.3 Verification Results Processing (8) 7.4 test cycle (8) Appendix A Hammer test records (9) Appendix B Hammer test certificate-page format (10) Appendix C Hammer test results in the notice page format (11) Appendix D Hammer verification device (12) Appendix E Hammer Calibrator tension spring (13) Hammer test procedures

1 Scope

The order applies to Hammer's initial verification, use and subsequent verification check. 2. References GB/T 9138-1988 Hammer For dated references, only the dated edition applies to this procedure; undated reference documents Member, the latest edition (including any amendments) applies to this procedure.

3 terminology and units of measurement

3.1 shells hit extension spring stretched length tensilelengthofelastictensionspring Bullet shells hit the hammer decoupling moment tension spring is stretched length. 3.2 rebound values reboundvalue Hammer bouncing bombs and shells hit extension spring stretch distance percentile ratio of length. 3.3 starts playing the hammer position takeoffpositionofelastichammer Bomb hammer strikes the fillip bar instantaneous location. 3.4 projectile hammer decoupling position unhookpositionofelastichammer When Hammer bomb hit, playing hammer position in which the moment of decoupling. 3.5 Digital Hammer digitalreboundtesthammer Pointer direct reading instrument based on the increased resilience rebound value acquisition, display, storage, strength calculation and other data processing Function Hammer.

4 Overview

Hammer is used to detect concrete, mortar, brick compressive strength equipment, mechanical structure shown in Figure 1. Its original Surface treatment is obtained by flicking analyte rebound value to the measured rebound value as the compressive strength of relevant indicators to Estimating compressive strength test substance.

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of JJG 817-2011_English be delivered?

Answer: Upon your order, we will start to translate JJG 817-2011_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 JJG 817-2011_English with my colleagues?

Answer: Yes. The purchased PDF of JJG 817-2011_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 [email protected]. 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.

Question 5: Should I purchase the latest version JJG 817-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version JJG 817-2011 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.