Question

Problem 6 Design a 10-ft span steel wide-flange beam which that is required to support a uniform service live load of 20 k/ft and a uniform service dead load of 17 k/ft. Assume the beam is 50-ksi. Does moment or shear govern?

Answer #1

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Subject: Steel and Wood Design
A W24×55 steel beam of Fy=50
ksi is subjected to a uniform service dead load of 3 k/ft and a
concentrated service live load of 20 k as shown in Fig. Q1. The
flange of the beam is braced at its midspan and at the supports.
Use the LRFD method to check if this beam is adequate or
satisfactory. Take Cb=1.

Two steel wide flange beams with the same beam size and same
span
one is fy=36 ksi and the other is 50 ksi steel
if the loads are also the same, will one of the beams deflect
more than the other.

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...

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....

W 18X60 steel beam has 10 ft simple span. The beam carries a
uniform load of 4 kips/ft including its weight. The allowable
deflection is 1/360 of the span length. Determine whether the beam
is satisfactory for deflection.

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.

design for flexure a beam 12 ft in length,ot a992 steel, with a
uniformly distributed live load of 1 kip/ft, and a concentrated
dead load of 8.4 kips a distance of 5 ft from one end

A simply supported beam spans 20 ft and carries a uniformly
distributed dead load of 0.8 kips/ft including the beam self-weight
and a live load of 2.3 kips/ft. Determine the required plastic
section modulus and select the lightest weight Wshape to carry the
moment. Consider only the limit state of yielding (Zone 1) and use
A992 steel. Design by (a) LRFD and (b) ASD.

analyse, design and report on a viable longitudinal span and
beam, suspend slab design and column slenderness.Design constraints
for this individual concrete beam include using simply supported
(fixed connected), non-continuous beam design and will not require
any pre stressed beam design based on AS3600-2009.
Support beams have a uniformly distributed imposed load of 15
kN/m
Density of RCC,ρ = 2600 kg/m3
Live Load on Slab = 4kN/m
Dead Load on Slab = 3kN/m
Yield Strength of...

2. Design a reinforced concrete beam of 20 feet span carrying a
uniformly distributed load of 1200 lbs/ft. Use Fc = 3,000 psi and
steel stress of 20,000 psi and assume appropriate modulus of
elasticity and other required material properties.

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