When a highway-rail grade crossing exists either within, or in the vicinity of, a temporary traffic control zone; lane restrictions, flagging, or other operations shall not be performed in a manner that would cause vehicles to stop on the railroad tracks unless a law enforcement officer or ...
The ACI code allows for increased steel stresses in concrete beams under normal loads, thus imposing fewer restrictions on the use of high-strength reinforcement. Amir Soltani et al. [6] concluded that the upper limit requirement for steel yield strength in ACI-2011 and AASHTO-2010 codes can ...