Design of Slab in SAP2000

Define:

• Define > Material,
  • Concrete, modify.
  • Fy = fys = 60ksi,
  • f’c = 4ksi
• Define > frame section.
  • Add rectangular, name B15 * 12. Reinforcement,
  • Beam clear cover top = bottom = 2.5”
  • Name = slab

• Define > Area sections,
  • Asec 1 modify,
  • thickness bending = membrane = 6”.

• Define > load cases, add live load.

• Define > add default combo check concrete,
  • Convert to user check boxes.

• Draw > quick draw area, draw the area.

• Draw > quick draw frame draw beam, B15 x 12

• Select edge paints at both ends

Flat Slab

Assign

• Assign > joint restrained, hinge support.

• Select beams

• Assign > frame > insertion point, select slab

• Select slab

• Assign > area load
  • Uniformly Distributed Load
• Analyze > set analysis uses,
  • Select Slab

• Analyze > run analysis model,
  • Do No run
  • Run now

• Unit K-is

One Way Slab

Display:

• Display > deformed shape,
  • Select UDCON2
  • Drag the mouse over the slab & find max deflation

• Display > show forces stresses
  • Area UDCON2
  • Design steel,
  • Bottom face,
  • Area/ Select max value

• Display > show forces stresses
  • Area Ast 2
  • Select max value

• Display > show forces stresses
  • Area too face
  • Select max value

• Display > show forces stresses
  • Area Ast 1

• Display > concrete frame design
  • Select design combo
  • Select UDCON1, UDCON2

Two Way Slab