Non Linear Static Pushover Analysis in SAP2000

[COLOR=#A9A9A9][FONT=Verdana]Hi All,[/FONT][/COLOR]

[COLOR=#A9A9A9][FONT=Verdana]I am trying to do Non Linear Static Pushover Analysis for a simple 1 storey 1 bay frame of steel applying meshing.The paper I have taken reference for validation work was done in Ansys.attaching the paper for your reference.They got Maximum base shear as 770 kN, which I am not getting.

[/FONT][/COLOR]I am doing [IMG]http://www.engineersedge.com/engineering-forum/attachment.php?attachmentid=1708&stc=1[/IMG]it in SAP2000

[COLOR=#A9A9A9][FONT=Verdana]Please help.[/FONT][/COLOR]