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GA/T 1685-2019 English PDF

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GA/T 1685-2019: Forensic sciences - Determination methods for shock wave overpressure
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PDF similar to GA/T 1685-2019


Standard similar to GA/T 1685-2019

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Basic data

Standard ID GA/T 1685-2019 (GA/T1685-2019)
Description (Translated English) Forensic sciences - Determination methods for shock wave overpressure
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A92
Classification of International Standard 13.310
Word Count Estimation 6,634
Date of Issue 2019
Date of Implementation 2019-12-01
Issuing agency(ies) Ministry of Public Security

GA/T 1685-2019: Forensic sciences - Determination methods for shock wave overpressure

---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.
Forensic sciences - Determination methods for shock wave overpressure ICS 13.310 A92 Public Safety Industry Standard of the People's Republic of China Forensic science Explosive shock wave overpressure measurement method Published on October 14,.2019 2019-12-01 Implementation Issued by the Ministry of Public Security of the People's Republic of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some content of this document may involve patents. Publication of this document The institution does not assume responsibility for identifying these patents. This standard was proposed by the National Criminal Technology Standardization Technical Committee Trace Inspection Sub-Committee (SAC/TC179/SC9) and Be in charge. This standard was drafted by. Physical Evidence Appraisal Center of the Ministry of Public Security. The main drafters of this standard. Fan Wulong, Zhang Jifeng, Tian Baozhong, Pan Yanhui, Li Hongyu, Cheng Guimin. Forensic science Explosive shock wave overpressure measurement method

1 Scope

This standard stipulates the method for determining the shock wave overpressure generated by explosive explosive test using an explosion shock wave overpressure test system. This standard applies to explosion tests involving suspected explosives (excluding gunpowder) in various types of cases (events) in the field of forensic science. Determination of shock wave overpressure during performance inspection.

2 Normative references

The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB 8031 Industrial Electric Detonator

3 Principle

After detonating a certain mass of explosive at a fixed explosion point, the sensor records the explosion shock wave signal at the test point where the sensor was at the time of the explosion No., and obtain the characteristic values such as the peak value of the shock wave generated by the explosion and the time of positive pressure through the software processing system. During the test, the solid was formed Explosives can be directly detonated using No. 8 industrial electric detonator. Powder, granular, paste-like explosives should be packed in paper tubes and then used No. 8 industrial electric detonator Detonated. For explosives that do not have the detonation sensitivity of the electric detonator, the detonation energy can be increased. Explosion shock wave determination results for different explosive samples The results should be compared and used under parallel test conditions. The structure of the test system is shown in Figure 1. Figure 1 Schematic diagram of the test system

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