Flextural steel designed by SAFE 12 program issue

Project:www.sefindia.org
Component:Documentation
Category:support request
Priority:critical
Assigned:cozomoto
Status:active
Description

Hello Dear Friends

When I designed a single footing using SAFE program,known that the concrete footing is 1x1 m size,.2m thick ,center column size .2x.2m ,point dead load of 500 kn,and 0 self wieght,known also that the fy=400, fc=30 mpa. after runing, the program gave me an area of steel of 1370mm-sq which is 2 times more than hand calculated steel and extra more than minimum steel. , to know WHY?, i tried however still don't know ,so any one can help me figure it out corrctly as calculated on a free paper.
Thanks

Updates

#1 submitted by admin on Mon, 02/08/2010 - 04:36

Hi, Try posting query in General Forum so community can respond.
संजीव कुमार

#2 submitted by rvshankar143 on Thu, 02/11/2010 - 20:44

Dear sir,

can u share your model with me then we can give you a solution.

Regards
Ravi Shankar
rvshankar143@gmail.com