Feb 26, 2016

Feb 26, 2016

Feb 26, 2016

Analysis of Multi-Storey Structures in SAP2000

/ On: Mar 31, 2017 /

• Slab = 6?, f?c =4 ksi, fy= 60ksi,
• WD = 30 lb/ft (for 1st floor)
• Wd = 58.3 lb/ft for top & 2nd floor
• WL= 30 lb/ft for top floor,
• WL = 100 lb/ft, 1st , 2nd & ground floor
• B 15 x 10, B18 x 12, B21 x 12,
• C10*10, C12*12, C18*18, C24* 12.

Steps:

• Unit K-ft
• New model = 3D frame beam slab building,
• Storey = 4,
• X-bays=4,
• Y-bays=3,
• Xwidth= 25?
• Y-width= 20?,
• Height= 15
• Edit:
• X= 0,25,35,55,80
• Z= 0,15,28.5,42,55.5
• Option > Preference
• Concrete frame ACI-2001
• Define > material,
• concrete,
• f?c= 4ksi ;
• fy= fys= 60ksi.
• Define > frame selection,
• Define all beams & columns.
• Define> add default combos check concrete, convert to user.
• Select beams.
• Assign>frame
• frame selection,
• select B15*10.
• Select > get Previous selection.

• Assign>frame>insertion point.
• Select column.
• Assign>frame>frame selection c10*10.
• Define>area section> modify slab 6, H= 6?.
• Select area.
• Analyze> set analysis option, 3D frame.
• Analyze>Run analysis model
• ?DO NOT RUN?,
• RUN NOW.
• Run K-ft. Move mouse over slab & find max deflections, it should not exceeds 1?
• Display> show forces/stress>
• Area,
• UDCON2.
• Design steel,
• Top, Ast1, then Ast1, then.
• Bottom Ast1, Ast2 and find max value.
• Design > show forces/stress
• select design column, s
• elect UDCON1& UDCON2.
• 3Design > show forces/stress
• Start ok design/check.
• Design > show forces/stress
• Verify all members passed.
• All members should pass.
• Design > show forces/stress