Work Item
ASTM WK73697

New Test Method for Assessing Physical Resistance in Turfgrass Equine Surfaces

1. Scope

This test method specifies a procedure for determining the going of a turfgrass equine surface, measurements of the penetration and shear force of a defined probe are used to describe the firmness of the surface and the traction available. This index can then be used to correlate the values of penetration resistance and shear resistance to the qualitative values used to describe the racing surface which vary from hard to heavy in the some racing jurisdictions and from firm to heavy in other jurisdictions.


equine surface; going; shear; turf; penetration


Traditional methods of going assessment are qualitative and susceptible to bias and error. This may consist of attempting to assess penetrative force and shear force by feel with a cane-like tool or simple visual assessment. This test method is intended to quantify going assessments by introducing the use of a strain-gauge apparatus that measures the applied vertical force and torque from the rotation of a probe under a given energy input level for a surface.

The title and scope are in draft form and are under development within this ASTM Committee.


Developed by Subcommittee: F08.28

Committee: F08

Staff Manager: Joe Koury

Work Item Status

Date Initiated: 07-24-2020

Technical Contact: John Bridge

Item: 001

Ballot: F08.28 (20-04)

Status: Will Reballot Item

Item: 002

Ballot: F08 (21-02)

Status: Negative Votes Need Resolution