Thanks Civilman72 for your post.
The reason directional flow rate is required is because the problem is asking for the highest directional flow rate for the peak 15-min period in passenger car/hr.
The formula needed is vp = V/((PHF)*fg*fhv) from Chapter 20 of the 2000 Edition of the HCM. All...
Hi All,
I am currently studying for my upcoming PE exam (April 16th). As most people do I am using the Lindeburg Manual for studying. I am in the process of taking the Transportation PE Sample Exam and am stuck on one problem in particular. If you have the book, the problem is 180. For...
First, I would like to thank you for all your help. Just for clarification and to help this good discussion, in Western Texas we do not typically use subbase. Our subgrade, which is the layer the base course is laid on, is typically good enough for road construction. If the R-Value is too low...
Hi I need some help. I am looking at doing road reconstruction in my City and am wondering if I can use cement treated subgrade in lieu of base course. If this is not a good engineering option because of life cycle and maintenance concerns, I need to know before proceeding with these...
