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Can anyone suggest a good book that covers the design of temporary excavation support systems? I'm specifically interested in design of sheet pile walls and cofferdams, and design of soldier pile wall systems with timber lagging. No one in my company (highway/paving contractor) has any...

Is anyone who passed the April 2007 PE exam still waiting for their license? Which States give you your license number with your exam results? Which States issue the license shortly thereafter? We are still waiting here in Pennsylvania. The board has 90 days to issue your license after you...

Leading up to the exam, I was wondering which of the Transportation references were the most important. Luckily I had most of them available to me. So while its fresh in my mind I wanted to get this posted. I took the following references to the April 2007 exam, specifically for the afternoon...

I am working The Transportation portion of the NCEES sample exam. I'm having some issues with problem 501, which asks for a minimum green time for a signal given the crosswalk width and some other factors. The solution references chapter 9 of the 1997 HCM, and give the equation...

I'm working the NCEES sample exam AM problems. I cannot figure out their solution for problem No. 110, which is to find the max. moment on a basement wall due to hydrostatic pressure. My solution involved going to the CERM appendix 44.A, Case 10 - Simple beam with trangular load. The equation...

I have worked through the Transportation Six Minute Soultions book. I am comfortable with the difficulty level of the problems, having correctly answered about 80% of the problems. Can anyone that has taken the PM transportation exam compare the diffulty level of the six minute solutions vs...