Tire Quasi-Static Envelopment of Triangular/Step Cleats Test

Standard:
Revised:
  • 2012-11-06
 
  • CURRENT
Publisher:
  • SAE International
Pages:
10
Scope:

This SAE Recommended Practice describes a test method for determining properties of a non-rolling tire quasi-statically enveloping either a set of triangular cleats or a single step cleat. In the case of the triangular cleats the normal force and vertical deflection of the non-rolling tire are determined. In the case of the step cleats the normal force, longitudinal force, and vertical deflection of the non-rolling tire are determined. The method applies to any tire so long as the equipment is properly sized to correctly conduct the measurements for the intended test tire. The data are intended for use in determining parameters for road load models and for comparative evaluations of the measured properties in research and development. NOTE: Herein, road load models are models for predicting forces applied to the vehicle spindles during operation over irregular pavements. Within the context of this document, forces applied to the pavement are not considered.

Rationale:

This document was developed as part of a set of Recommended Practices intended to allow modelers to determine the parameters required by any of the common tire models for calculating spindle loads given the road surface profile from a single set of experimental results, thus eliminating duplicate testing. This version addresses minor editorial problems found in the previous version.

History:
Standard Published Revision Status
J2705_201211 2012-11-06 Latest Revised
2005-10-10 Historical Issued
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