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GB/T 24967-2010 English PDF

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GB/T 24967-2010: Impact elastic wave-based embedding depth measurement apparatus for steel guard rail post
Status: Obsolete
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GB/T 24967-2010English399 Add to Cart 3 days [Need to translate] Impact elastic wave-based embedding depth measurement apparatus for steel guard rail post Obsolete GB/T 24967-2010

PDF similar to GB/T 24967-2010


Standard similar to GB/T 24967-2010

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Basic data

Standard ID GB/T 24967-2010 (GB/T24967-2010)
Description (Translated English) Impact elastic wave-based embedding depth measurement apparatus for steel guard rail post
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard R86
Classification of International Standard 03.220.20
Word Count Estimation 10,187
Date of Issue 2010-08-09
Date of Implementation 2010-12-01
Quoted Standard GB/T 191; GB/T 6388; GB/T 13384; JJG 4-1999; SJ 946; JTG D30; JTG/T D81-2006
Regulation (derived from) National Standard Approval Announcement 2010 No.3 (Total No.158)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the depth of the impact of structural steel guardrail uprights elastic wave detector, technical requirements, test methods, inspection rules and signs, packaging, transport, storage requirements. This standard applies in accordance with JTG/T D81-2006 design and construction of steel guardrail uprights depth testing, other types of steel guardrail uprights can refer to the use of depth of detection.

GB/T 24967-2010: Impact elastic wave-based embedding depth measurement apparatus for steel guard rail post


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Impact elastic wave-based embedding depth measurement apparatus for steel guard rail post ICS 03.220.20 R86 National Standards of People's Republic of China Steel fence post depth impact elastic wave detector Issued on. 2010-08-09 2010-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. This standard by the National Traffic engineering facilities (highway) Standardization Technical Committee (SAC/TC223) and focal points. This standard was drafted. Ministry of Communications Highway Research Institute, Sichuan or Extension Detecting Technology Co., Ltd., Beijing Science and Technology has the cross-Hua Limited. The main drafters of this standard. tensioning high strength, Wu Jia Ye, the package left the military, Wu Zeng Wei, Wangcheng Hu, Shen Yang Zhuo, Wuling Tao Tian Peking, Zhang Jianjun. Steel fence post depth impact elastic wave detector

1 Scope

This standard specifies the depth of the steel guardrail post impact elastic wave detector structure, technical requirements, test methods, inspection rules and signs, Packaging, transportation and storage requirements. This standard applies in accordance with JTG/T D81-2006 the design and construction of steel fence post depth testing. Other types of steel Fence post depth detection may reference use.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs (GB/T 191-2008, ISO 780.1997, MOD) GB/T 6388 transport package shipping mark GB/T 13384 mechanical and electrical products packaging General technical conditions JJG4-1999 steel tape test procedures SJ946 electronic measuring instruments electrical, mechanical structure of the basic requirements JTGD30 highway embankment design specifications JTG/T D81-2006 highway traffic safety facilities design Details

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Steel fence post depth impact elastic wave detector impactelasticwave-basedembeddingdepthmeasurement apparatusforsteelguardrailpost Detected by measuring the impact elastic wave propagation time in a steel fence post in the calculated total length of the column, so that the depth of the inverse column instrument. 3.2 Impact elastic wave impactelasticwave Elastic waves generated by mechanical impact in the target material. The tester mainly longitudinal wave (also known as the P wave compression wave). 3.3 Acceleration sensor accelerationsensor The physical acceleration test object is converted to an electrical signal. The detector used is a piezoelectric charge accelerometer sensor is the acceleration signal is converted to a weak charge means. 3.4 Charge sensitivity dhargesensitivity The amount of charge (pC) sensor in a unit acceleration (m/s2 or g) produced by interaction. 3.5 Low Noise Cable lownoisecable Weak signal transmission cable using the special structure of the charge.

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