ACI 445.1R

Description / Abstract: Theories presented in this report were developed and verified for building members of typical size. For application to largescale members, size effects should be considered. They could present a serious safety issue when using the shear strength equations provided in the design standard, which cannot take into account the shear strength reduction in large-scale members caused by loss of aggregate interlock behavior. Experimental information on large-scale torsional members is lacking.