I am performing calculations on a cable tray attached to a bridge structure. I get my ap=2.5 and Rp=6 from Table 13.6-1. In the formula Fp=(.4*ap*sps*Wp)/(Rp/Ip) * (1=2/h). I would like to set 2/h to zero since the cable tray is attached to a seismically designed structure (the bridge).
Is...