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Frame Design and Analysis using SAP2000

By: Haseeb Jamal / On: Mar 31, 2017 / Notes
 
 

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.

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

Draw > draw frame & draw the frame. Arrow

  • 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,
    • Add line load.
  • Define > add default combo, check concrete.
    • Cover to uses check boxes.
  • Select beams.

Assign > frame Arrow

  • Frame sections,
  • Select B1.
  • Select columns.
  • Assign > frame
    • Frame section,
    • Select C1
  • Select Beams.
  • Assign > frame load
    • Distributed,
    • Load case = dead,
    • 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,
    • Load= 10k.
  • Select extreme left support.
  • Assign > Joint
    • Restrained,
    • Select fixed support.
  • Select middle support & select roller support.
  • Select > Get Previous selection.
  • Assign > Joint
    • Load case,
    • 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.
 

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