The AASHTO LRFD 2017 code is confusing me when it comes to designing concrete at supports and seems to contradict itself.
Section 5.5.1.2 "Design Methodologies" talks about needing to design B and D regions with different methods because of how the stresses goes through a beam at that...
I am doing a load rating on a bridge built built in 1970 with post-tensioned tee section girders. Take a look at the attached as-builts. The tendon types are marked 26GSP, 25GSP, and 24GSP. Does anyone know what these mean? I want to know the strands area and ultimate stress so I can verify the...
Performing a joint test on a 42" RCP in the field is giving issues where the water is leaking out of the pipe from the inside of the pipe. Basically the water is traveling along the reinforcement inside of the pipe and finding small voids to come out of. So far there has been no water found...