STrctPono
That is very helpful. Have you used any significant software, or is the design a result of traditional bending shear and deflection checks that can be done by hand? This girder would carry building loads from multiple floors above. For 75' that must have required a ton of #11's and...
Is there any guidance for mild reinforced concrete with long span? Examples I can find always involve prestressed beams, but is it possible to design a heavily reinforced (non-prestressed) concrete beam spanning 45'-60' supporting heavy uniform loads (20 klf), if beam size is not limited (10'...