what is the difference between story max/avg displacement and story max/avg drift showed by etabs ? while viewing the result of these both , there is slight variation between them ?
i have been trying to design building with staircase but i am unable to get the z-beam (beam which run along the flight ) pass from the shear and torsional exceed check. i tried changing torsion constant to 0.01 even though i am not able to get success . should i omit staircase from model or...