List of Contributions

Greetings, The Texas Department of Transportation has an Item in their standard specifications for "Cleaning and Sweeping Highways" (Item 738, https://www.txdot.gov/business/resources/txdot-specifications.html). This is probably used most often when the Department contracts for this service, rather ...

Hello Linda, The PerRoad software from the Asphalt Pavement Alliance includes examples of axle load spectra for a variety of conditions-this is free and available here: https://www.driveasphalt.org/resources/perpetual-pavement Other places where you can find examples of axle load spectra might include ...

Hello Arsadie, As with anything else, the problem has to be defined before it can be solved. What is the mode of failure that has been observed? Reflection cracking (cracks, joints in the underlying concrete "reflecting" to the surface), rutting, raveling (fretting), delamination/slippage? It is difficult ...

Hello Mr. Livick, The deformed bars or welded wire mesh reinforcement in concrete pavements is used to minimize crack widths in the concrete panels in a jointed-reinforced concrete pavement. Smooth dowel bars must be used at the transverse joints to provide load transfer from one panel to the other. ...