GO TO THIS ALDOT WEBSITE AND DOWNLOAD THE ALHYDRO.EXE SOFTWARE THE SOFTWARE HAS ALL YOU NEED TO COME UP WITH YOUR Q FOR ANY GIVEN LOCATION IN ALABAMA. http://www.dot.state.al.us/Bureau/Design/Copy%20of%20design.htm
What is the accepted procedure for dealing with the superelevation transition on a side road tying into a main line alignment when the main line profile is steep and the side road has a curve that produces a superelevation in the opposite direction? The intersection is a stop condition on the...
I have to widen an existing interstate facility in a rock cut section where we have to maintain traffic on the existing facility. Can the new rock cut be accomplished safely while traffic is maintained within 300’? Are there alternatives to blasting?
I was wondering if anyone out there knows why we use a headwater over depth ratio of 1.5 as a check in the design of cross drains? Why 1.5? Is it a pressure thing?
Dose anyone know of a publication or guideline that lists the maximum allowable slope to be used for various sizes of reinforced concrete pipe? Taking construct ability into consideration as well as durability of the pipe.
What is the minimum offset for concrete traffic barrier in a work zone application?
I have a 6 lane divided interstate bridge replacement project where the traffic will be shifted on to a single existing bridge while the proposed bridge is constructed and the opposing lanes will be separated by...