TxDOT Test Procedures Updates

The following test procedure updates have been approved by TxDOT and are effective September 2014.  Modifications to TEX-226F, "Indirect Tensile Strength Test"

 
Additional guidance on specimen preparation 

Reporting the average indirect tensile strength to the nearest whole number

Modifications to TEX-242-F, "Hamburg Wheel Tracking Test"

Molding PFC samples to 50 gyrations

Conditioning molded specimens at room temperature for minimum 24 hours before testing

Additional guidance on preparing roadway cores

Modifications to TEX-245-F, "Cantabro Loss"

Additional guidance on specimen preparation

Conditioning specimens in a constant temperature apparatus at 77 degrees before testing

Reporting the average loss to the nearest tenth

These test procedures have been updated in all the certification programs at the Hot Mix Asphalt Center. If you have any questions regarding the procedure please contact Jimmy Whited Jr. at 512-312-2099.