Question

- Design a one-way floor slab to carry a uniform live load of 500
psf on a simply supported span of 21 ft, given
*f*=4000 psi and_{c}^{’}*f*=50000 psi. Use the ACI 318 code. Keep the reinforcement ratio at about 30% of the amount of balanced strain condition so that deflection is unlikely to be excessive._{y}

Answer #1

Design a simple-span one-way slab to carry a uniformly
distributed live load of 450 psf. this is the only load to be
supported other than the self weight of the slab. the span is 7-ft,
center-to-center of the supports. Assume f'c = 4000 psi, fy = 60000
psi. Design per foot of width.

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 simply supported floor beam of A992 steel to carry a
De0ad load of 0.5k/ft and a Live load of 1.5k/ft over a span 24 ft.
The beam has Full lateral bracing provided. Show All steps.

A
three-span continuous beam supports 6-inch thick one-way slabs that
span 20 ft center-to-center of beams. The beams have clear spans,
face-to-face of 16-in.-square columns, of 27, 30, and 27 ft. The
floor supports ceiling, ductwork, and lighting fixtures weighing a
total of 8 psf, ceramic floor tile weighing 16 psf, partitions
equivalent to a uniform dead load of 20 psf, and a live load of 100
psf. Design the beam, using f’c = 4500 psi and fy = 60...

Design a T Beam for s floor system. Thickness of slab is 75 mm
and width of the web is 375 mm, with an effective depth of 600 mm.
The beam carries a dead load moment of 270 KN m and a live load
moment of 460 KN m. The beam has a span of 5.4 m and has a spacing
center to center equal to 1.8 m, fc’ = 20.7 MPa, fy = 345 MPa.

A rectangular, tension-reinforced beam is to be designed for
dead load of 500 lb/ft plus
self-weight and service live load of 1200 lb/ft, with a 22 ft
simple span. Material strengths will be fy =
60 ksi and fc・= 3 ksi for steel and concrete, respectively. The
total beam depth must not exceed 16
in. Calculate the required beam width and tensile steel
requirement, using a reinforcement
ratio of 0.60 ρ0.005 . Use ACI load factors and strength reduction
factors....

Please select the reinforcement spacing for the entire span of a
simply supported beam on a 22 ft span. Use the detailed method to
calculate Vc. Do not use a shear envelope diagram use the regular
shear force diagram. Use b = 16 in., d = 27 in., the main bending
reinforcement consists of 4 #9 bars. The unfactored dead and live
loads are 2.6 Kip/ft and 2.5 kip/ft, respectively, f’c = 4500 psi,
and fy = 60,000 psi. Use...

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