Equipment Checklist for AASHTO T 22
Strength Tests

 
All equipment shall be inspected for compliance with appropriate dimensions, as stated in each standard, as well as to determine if it is in satisfactory operating condition (i.e.; adherence of mortar, deformed molds, etc.). Inspection shall occur at least annually, or whenever there is reason to suspect nonconformance with the standard.

 

 

  Item Testing machine
  Description A machine having sufficient capacity and capable of providing the rates of loading prescribed in Section 7.5
     
  Calibration Item Load reading
  Calibration Procedure T 22 Section 5.1.1
AASHTO T 67 (ASTM E 4)
  Calibration Interval At installation, after relocation, after repair or adjustment, after a maximum of 18 months elapsed time (12 months preferred), whenever there is a question of accuracy
 

  Item Neoprene pad caps
  Description Neoprene pads positioned inside steel extrusion position controllers, See AASHTO T 22 Annex
     
  Calibration Item Number of uses
  Calibration Procedure None stated
  Calibration Interval Each pad limited to 100 uses