Question

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

Answer #1

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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.

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 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.

A cantilever bean is 12 feet long and has a uniformly
distributed dead load of 600 lbs/ft and a uniformly distributed
live load of 1000 lbs/ft. Design the beam for flexure assuming it
is continuously braces by a floor/deck system. Use 36 ksi
steel.

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 an all-bolted double-angle connection for a W18×65 A992
beam to carry a dead load reaction of 15 kips and a live load
reaction of 45 kips. Use 5/16 in. A36 angles and 3/4 in. A325-N
bolts in standard holes. The uncoped beam is connected to the
flange of a W14×109 A992 column. Design by LRFD.

A W14x500, A992 42 ft column in a braced frame with a
compressive dead load of 90 kips and a live load of 270 kips.
Maintaining a live load to dead load ratio of 3, determine the
maximum live and dead load second-order moments that can be applied
about the strong axis on the upper end when the lower end is pinned
by (a) LRFD and (b) ASD [8.14-5]

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

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.

Problem 3
A reinforced concrete beam is cantilevered over a span of 10 ft.
The beam width is 14”. The beam is supposed to carry a uniformly
distributed service dead load of 1.2 k/ft and a uniformly
distributed service live load of 0.5 k/ft over its entire span. The
dead load includes an allowance for the beam weight. Assume 60- ksi
steel and 4,000-psi concrete.
1.Use the design equations to determine the minimum required
effective depth (d).
2.Select the tensile...

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