This is a form designed for calculating Soil Classification and Group Index - AASHTO M 145. There is a tab at the bottom of the form for plotting your flow line - AASHTO T 89, Method A. I obtained the "Soil Description" from the Wyoming DOT's Materials Testing Manual (MTM). The soil description will be populated once the required, yellow cells' information is input. The Arkansas State Highway and Transportation Department (AHTD) prefers us to draw the flow line by hand.
It is my hope this will be an aid to people in highway construction.
When was the last time you drove down the highway without seeing a commercial truck hauling goods?The ubiquity of these machines underscores the important roll they play in modern commerce. Download Now