Feb 26, 2016

Feb 26, 2016

Feb 26, 2016

# Frame Design and Analysis using SAP2000

/ On: Mar 31, 2017 /

Watch Videos on How to design a 3D Frame - Part 1 | Part 2 in SAP2000

• D.L = 20 lb/ft, L.L = 60lb/ft,
• Fy = 60 ksi, fc' = 4ksi
• B1 = 18” x 12”,
• C1 = 12” x 12”.

## Steps:

• Unit = Kft-F
• New model= grid,
• x = 4,
• y = 1,
• z = 4
• Edit
• x = 0, 20,35,40,
• y = 0
• Z = 0, 2,18, 23.

Watch Videos on How to design a 3D Frame - Part 1 | Part 2 in SAP2000

Draw > draw frame & draw the frame.

• Option Preferences
• Concrete ACI-2003
• Define > material,
• concrete,
• Modify,
• fy= fys=60ksi,
• f’c= 4ksi.
• Define > frame sections.
• Add rectangular sections,
• Name= B1,
• Depth= 18”,
• width =12”,
• Reinforcement, click beam button clear cover top=Bottom=2.5”
• Define > frame section.
• Add rectangular section,
• Name= C1,
• Depth=12”,
• width =12”,
• Reinforcement, click column button, clear cover= 2.5, click design button.
• Define > load cases,
• Define > add default combo, check concrete.
• Cover to uses check boxes.
• Select beams.

Assign > frame

• Frame sections,
• Select B1.
• Select columns.
• Assign > frame
• Frame section,
• Select C1
• Select Beams.
• Assign > frame load
• Distributed,
• select= gravity projected direction.
• Wu = 0.02k/ft.
• Select > get previous select.
• Assign > frame load >
• Distributed. Load case = live,
• select gravity projected direction.
• Wu = 0.06 K/ft.
• Select extreme left column.
• Assign > frame loads > point.
• Direction = x,
• select relative radio button.
• X= 0.5,
• Select extreme left support.
• Assign > Joint
• Restrained,
• Select fixed support.
• Select middle support & select roller support.
• Select > Get Previous selection.
• Assign > Joint
• Y= -30.
• Analyze > Analysis case,
• x-z plane.
• Analyze > Run analysis,
• Select model.
• Click “DO NOT RUN” button,
• “RUN NOW , button.
• Display > deformed shape;
• select UDCON2.
• Display > show forces/stress
• frame,
• select UDCON2
• Select F22,
• Uncheck full,
• Check show values.
• Display > show forces > stress
• Frame,
• Select M22 > Joints
• Select UDCON2.
• Design > concrete frame design > select design combo.
• Select UDCON1, UDCON2.
• Design > concrete frame design
• Start design check.
• Design > concrete frame design
• Verify all members posed.
• Design > concrete frame design> display design info.

• Select longitudinal reinforcement.

• For beams, select max, upper & lower value, and for column, select max. Value. Do calculation and find No. of Bars.

Let us know in the comments what you think about the concepts in this article!