SF/T 0072-2020 in English
VALIDGeneral specification for road traffic accident identification by trace and physical evidence
- Issued on:2020-05-29
- Implemented on:2020-05-29
- File Format:PDF
- Delivery:Via email within 1~3 business days
$233.00
本标准规定了道路交通事故痕迹物证鉴定受理程序、送检材料的接收、检验鉴定程序、材料的流转程序、结果报告程序及证实方法。
本标准适用于道路交通事故痕迹物证鉴定，道路以外的交通事故和涉及车辆碰撞案件的鉴定可参照执行。
Introduction
Analysis of the core content of the standard
Comparative Analysis of Identification Procedures
| Procedure Type | Appraiser Requirements | Applicable Scenarios | Time Limit Control |
|---|---|---|---|
| Ordinary Procedures | 2 Appraisers (including 1 with intermediate professional title) | Initial Identification/Simple Cases | Regular Time Limit |
| Complex Procedures | ≥3 Appraisers (including 1 with senior professional title) | Re-identification/Difficult Cases | Extension by Negotiation |
Key Technical Implementation Points
Principles of trace inspection
Case: In a collision accident at an intersection, the transferred paint film on the motorcycle handlebar was first inspected using a stereomicroscope, and then a spectral analyzer was used to compare the composition and confirm that it was consistent with the paint layer composition of the car involved.
Key points for implementation:- Follow the inspection order of "macro first, then micro"
- Written notification must be completed before destructive inspection
- Trace evidence should retain ≥30% of the original sample
Background of standard evolution
This standard integrates the technical requirements of 6 industry standards such as GA/T 41-2019, and adds:
- Guidelines for fire identification of new energy vehicles
- Trace identification method for intelligent driving system
- Rules for associating electronic data with physical evidence
Solutions to common problems
Countermeasures:
- Use laser scanner to establish a three-dimensional collision model
- According to GB/T 33195 Calculate the energy difference of each collision
- Analyze the time series in combination with the surveillance video frames
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