Hello Engineers,
I have some question regarding response spectrum analysis. Your help is needed
I HAVE DESIGNED A 10 STORY STEEL BUILDING WITH ALL STATIC LOAD COMBINATION AND PASSED ALL MEMBER AS PER CODE.THE DEFLECTION AT TOP IS 142 MM AND WHICH IS ALLOWABLE (MAXIMUM LIMIT IS 160 mm) .THEN I HAVE DONE THE RESPONSE SPECTRUM ANALYSIS AS PER ASCE 7-05.I HAVE CHECKED DRIFT WITH THIS “DL+EX+,DL+ EZ+” LOAD COMBINATION. I HAVE FOUND THE DYNAMIC DRIFT IN TOP FLOOR IS 432. NOW MY QUESTION IS,
Q-01- WHAT I WILL DO NOW?.I HAVE TO CONTROL THIS DYNAMIC 432 mm DRIFT TO MY STATIC DRIFT 142 ?
Q-02-IN CONNECTION DESIGN, I HAVE TO COUNT DYNAMIC FORCE AND MOMENT OR STATIC MOMENT AND FORCE ? ALSO IN BASE PLATE DESIGN WHAT FORCES I HAVE TO CONSIDER,STATIC OR DYNAMIC?
Q-03- I WANT TO FIND SHEAR AND MOMENT FROM A SPECIFIC SUPPORT BY REPORT.IS THERE ANY COMMAND?
Q-04- WHEN ASSIGNING RESPONSE SPECTRUM DEFINITION AS PER ASCE-7-05,I HAVE PUT THE ZIP CODE VALUE AS 0,BECAUSE I HAVE DESIGNED FOR BANGLADESH.IS IT OK? IF NOT THEN WHAT WILL BE THE PROCEDURE?
THANKS IN ADVANCE……