ACI 318 - 99
The effective width calculation assumes the beam section satisfies sections 8.10.1. For T section the effective flange width is based on section 8.10.2. For L sections the effective flange width is based on sections 8.10.3.
The effective width calculation assumes the beam section satisfies sections 8.10.1. For T section the effective flange width is based on section 8.10.2. For L sections the effective flange width is based on sections 8.10.3.