Portal Frame Design With Example

Portal Frame Design with Example

Design Steps:

1. Design of slabs

2. Preliminary design of beams and columns

4. Design of beams

5. Design of Columns

6. Design of footings

Problem:

A portal frame hinged at base has following data:

Spacing of portal frames = 4m

Height of columns = 4m

Distance between column centers = 10m

Live load on roof = 1.5 kN/m2

RCC slab continuous over portal frames. Safe bearing capacity of soil=200 kN/m2

Adopt M-20 grade concrete and Fe-415 steel. Design the slab, portal frame and foundations and sketch the details of reinforcements.

Solution: Data given:

• Spacing of frames = 4m

• Span of portal frame = 10m

• Height of columns = 4m

• Live load on roof = 1.5 kN/m²

• Concrete: M20 grade

• Steel: Fe 415

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