Hello, I am new to STAAD and this forum, and this is my first post!I wanted to model an 8.67' X 31.5’ Slab with a 16,000 lb. load applied at the center. The slab will have fixed ends at all sides.
As a “one-way slab”, the expected max moment utilizing manual calculations and applying 1.6 as a load factor = 27.74 k-ft/ft; by using the formula (1.6* PL/8 for fixed ends), where L=8.67’, P=16 kip, and by neglecting the self-weight. When I model in STAAD, I get max. moment of 3.76 k-ft/ft, which is far from the manually expected 27.74 k-ft/ft
** Does the moment I am getting sounds right? And is it acceptable to design for?I am attaching the ".std" file and screenshots ... Thanks for any help or advice!Slab_point load.STD