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ICJI > Traffic Safety > Traffic Safety Training > "Advanced Heavy / Commercial Vehicle Crash Investigations" "Advanced Heavy / Commercial Vehicle Crash Investigations"

September 8th – September 12th, 2008
Indiana State Police Post # 52
Indianapolis, Indiana

CONTACT
Mr. Dan Jeffries
Indiana Criminal Justice Institute
(317) 232-0021
djeffries@cji.in.gov

Course Description

This course is designed to further enhance the knowledge and skills you acquired in IPTM's Inspection and Investigation of Commercial Vehicle Crashes course.  You will learn how to conduct a detailed analysis of commercial motor vehicle dynamics and its application to traffic crash reconstruction. 

During this course, you will analyze the ABS air brake system by conducting tests to determine average air chamber pressure.  You will also be shown how to determine the limits of axle weights based upon the location of center mass, as well as static-quasistatic and dynamic roll propensities.

Topics include:

  • Kinetic energy - determining delta-V in central impacts
  • ABS - Air Brake Systems
  • Speed analysis using gear reduction ratios
  • Low speed - high speed off-tracking
  • Dynamic roll propensities
  • Axle weight distribution - using equilibrium and free body diagrams
  • Liquid load analysis

You must have completed, at a minimum, IPTM's Advanced Traffic Crash Investigation and Inspection and Investigation of Commercial Vehicle Crashes courses prior to attending this course. 

You should bring a scientific calculator and, if available, an engineers scale along with a 30/60/90 degree triangle.