Question

A simply supported beam spans 20 ft. and carries a uniformly distributed load of 1 kip/ft,including the beam self-weight, and a live load of 2.5kip/ft. Determine the minimum required plastic section modulus and select the lightest-weight W-Shape to carry the moment (A992 Steel). Use LRFD method.

Answer #1

GIVEN DATA

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.

A simply supported beam spans 30 ft. and carries a uniformly
distributed dead load of 3.5 kip/ft,excluding the beam self-weight.
Also, in addition, a concentrated dead load of 15 kips and a
concentrated live load of 25kips, both act at the center of a 30 ft
span.Select the lightest-weight W-Shape to carry the load(A992
steel). Use LRFD method.

Select the lighest W section to carry a uniformly distributed
load of 0.2 kip/ft superimposed (i.e. in addition to the beam
weight) and 0.8 kip/ft live load. The simly supported span is 20'
and the compression flange is fully supported against lateral
movement. Use LRFD and select for the following steels: A36, A992,
and A572 Gr. 65

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 is 3 m long. It carries a uniformly
distributed load of 6 kN/m throughout its span and a concentrated
load of 15 kN at a point 2 m from the left support. Assuming that
the beam has a rectangular shape whose width and depth are 150 mm
and 250 mm, respectively. Determine the maximum flexural stress in
MPa developed in the beam.

for
a simply supported beam carrying a uniformly distributed gravity
load, at any internal section of the beam, what is the nature of
the top fibres experience stresses?

A simply supported beam of 6m length carries a dead load of 10
kn/m and live load of 8 kn/m. It also support a point dead load of
60Kn at the centre. Using the formula calculate the moment
modification factor.

A rectangular RC beam is simply supported over a span of 8m and
carries a dead load of 15kN/m (including self-weight) and an
imposed load of 8kN/m. The beam is 250mm wide and has an effective
depth of 400mm. Grade 30 concrete is to be used.
Determine if the beam should be singly reinforced or
doubly reinforced.

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.

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