These tools have been developed to assist asphalt mix designers with completing Balanced Mix Designs.
Contractor Strategies for Engineering, Economic, and Environmental Effects
Get answers to the question How will changes applied to meet requirements impact my mix? This table along with other considerations and resources provides a handy guide to impacts and practicality of mix changes.
NCAT HWTTXpert Calculator
HWTTXpert is a web program designed to standardize the analysis of Hamburg Wheel Tracking Test (HWTT) results for evaluating the rutting and moisture resistance of asphalt mixtures.
To access the tool, you must register using this Google Form.
Once registered, log in to HWTTXpert on the AU website.
This program was developed by the National Center for Asphalt Technology (NCAT) at Auburn University (AU) through the National Road Research Alliance (NRRA) project, Standardization of SIP Calculation for Hamburg Wheel Tracking Test.
NCAT Trial Weight Estimating Spreadsheet
An easy-to-use spreadsheet to assist with determining specimen weights for achieving target density on specified height samples.
Download the NCAT Trial Weight Spreadsheet.
Watch a 10-minute video on how to use the NCAT Trial Weight Estimating Spreadsheet.
BMD: Lessons Learned
Download these state-by-state case studies to see how BMD measures up!
