Browse Learn C1424

Tire Forensic Analysis C1424

This course provides a detailed description of tire failure modes, their potential causes, identification, and the sometimes subtle nuances that go along with determination of tire failure. In addition, proper inspection techniques of tires will be discussed and samples will be available to reinforce the concepts learned. The book, Tire Forensic Investigation, authored by the instructor, is included with the course materials.

This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 13 Continuing Education Units (CEUs). Upon completion of this seminar, accredited reconstructionists should mail a copy of their course certificate and the $5 student CEU fee to ACTAR, PO Box 1493, North Platte, NE 69103.

Learning Objectives
By attending this seminar, you will be able to:
  • Explain the methodologies of good tire inspection
  • Describe tire failure causes
  • Identify and determine root causes of tire failure

Who Should Attend
This course is extremely helpful for Accident Reconstructionists, Law Enforcment, Warranty investigators and individuals who need to be able to explore and explain tire failures.

Individuals should already possess a basic knowledge of tires gained through work experience or through classes such as SAE’s Basic Tire Mechanics course.

  • Belt Separation - Tread / Belt Detached

    • Identification
    • Working belt description
    • Reversion / bluing
    • Degradation of properties
    • Thick/Thin layering
    • Transition zones and identification of tear types
    • Road rash

  • Belt Separation - Tread / Belt Intact

    • Identification
    • Rapid wear
    • Bulges / knots / bubbles

  • Belt Separation Locations and rate of growth
  • Other Belt separation Types

    • Typical & non-typical

  • Identification of Causes and Contributors to Belt Separation

    • Punctures, penetrations and repairs
    • Wire break types
    • Intra-carcass pressurization (ICP) - oxygen deterioration
    • Over-deflection identification

  • Overlaying and Time
  • Impact

    • No immediate failure - identification
    • Damage to casing and rubber components
    • Wheel impact identification


  • Ozone Deterioration
  • Mounting / Demounting Damage
  • Physiological Damage
  • Snags, Gouges, Cuts, Tears, Abrasions
  • Cutting and Chipping (C&C)
  • Poor Tire Storage
  • Vehicle Caused Conditions
  • Non-Belt Separation Types
  • Runflats
  • Liner Conditions
  • Wheel Conditions

    • Matching tire to wheel
    • Flange indicators of overdeflection

  • Tire Location on the Vehicle
  • Brassy Wire Failure
  • Manufacturing Imprints
  • Overlays
  • Tire Examination
Thomas Giapponi

Mr. Giapponi's professional career spans the Armstrong Rubber Company and Pirelli Tire North America in the capacities of Tire Design Engineer, Manager Medium/Heavy Truck Tires, Manager Light Truck and Passenger Car Tire Engineering, Director of Tire Engineering and Director of Tire Testing. He directed Pirelli's North American R&D and Quality as the Director of R&D, Technical Director and Director of Quality in the market. In 2001 Mr. Giapponi started TRGtech Tire Consulting LLC which performs tire forensic investigations, tire patent defense, and tire forensic training. Mr. Giapponi received his Bachelor of Science in Engineering from Purdue University and is a registered P.E in Connecticut.

Hotel & Travel Information

Fees: $1595.00
SAE Members: $1276.00 - $1436.00

1.3 CEUs
You must complete all course contact hours and successfully pass the learning assessment to obtain CEUs.

"I would recommend this course to anyone looking to expand their knowledge on the subject."
James Norris
Accident Reconstruction/ Engineer
Parham Engineering Consultants

"Mr. Giapponi holds a great wealth of tire knowledge. I learned a great deal from his course."
Caleb R. Williams
Mechanical Engineer
Wolf Technical Services, Inc.


To register, click the Register button above or contact SAE Customer Service 1-877-606-7323 (724-776-4970 outside the U.S. and Canada) or at

Duration: 2 Days
April 16-17, 2019 (8:30 a.m. - 4:30 p.m.) - Troy, Michigan