Question

Design the largest axially loaded rectangular column with the aspect ratio of b/h = 1.5 to support an axial dead load of 350 k and axial live load of 380 k. f’c = 4000 psi, fy= 60,000 psi.

Answer #1

Design a square axially loaded short square tied column for
concentric ultimate axial load Pu = 2600 kN. f’c = 28 MPa and fy =
350 MPa. assume ρ = 0.02.
Draw the section details showing dimensions, cover, rebars,
stirrups (ties), ..etc.

Deign a square tied column to support a service axial dead load
P_d of 200 K and a live load P_l of 300 K using concrete f_c^'=4000
psi and bars f_y=60000psi (use steel ratio of about 3% design the
ties and check the ACI code requirements)
ACI-318

The project will include the design of One Way Slabs, Beams and
Columns.
Choose the largest room in your house/apartment and measure the
area. let's say (length 6m* width 4m) ( height 3m)
Steel yield stress (fy = 60000 psi)
Concrete ultimate compressive strength (f’c = 4000 psi)
Reinforced concrete density = 150 lb/ft3.
Normal weight concrete is used.
The slab is treated as a one way slab and subjected to a dead
load of 120 psf (excluding the self-weight...

Design a rectangular reinforced concrete beam for Mu = 550 k-ft
(not including self-weight). Use f’c = 4000 psi and fy = 60,000
psi. Use a design ρ = 0.01. Using the method of
bd2, and choosing a width b no smaller than 15
inches and no larger than 18 inches, design a beam to resist the
moment. Save room for #3 stirrups. Report your final design and
draw the cross-section labeling all dimensions and showing the
rebar layout and...

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