Equipment Checklist for AASHTO T 24
Cores

 
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 Core Drill
  Description For obtaining cylindrical core specimens
     
  Calibration Item See the general statement above
  Calibration Procedure  
  Calibration Interval  
 

  Item Moisture conditioning storage tank
  Description A water tank for submerging specimens in prior to testing
     
  Calibration Item Temperature
  Calibration Procedure AASHTO T 24 Sec. 6.3
Record reading from a thermometer
  Calibration Interval None stated
 

  Item End preparation tools
  Description Tools to create an essentially smooth end face, perpendicular to the specimens longitudinal axis, and of the same diameter as that of the body of the specimen
     
  Calibration Item See the general statement above
  Calibration Procedure  
  Calibration Interval  
 

  Item Capping materials
  Description Used to cap the ends of the core specimen
     
  Calibration Item See AASHTO T 231
  Calibration Procedure AASHTO T 231
  Calibration Interval See AASHTO T 231
 

  Item Scale (ruler)
  Description Used to measure the length and diameter to determine the length/diameter ratio
     
  Calibration Item See the general statement above
  Calibration Procedure  
  Calibration Interval