1. A W-shape member will be used in a cantilever to support a distributed load asshown in the figure below. The load is a superposition of dead load, wp=kips/ft (including self-weight), and live load, wi = 3 kips/ft. The member islaterally braced at the fixed support and at the end. By the LRFD provisions ofAISC, what is the lightest W18 that can support the specified load? Does thissection satisfy a deflection limit of L/150 for service loads?= 2WD= 2 k/ftWL = 3 k/ft20'2. Select the lightest W-section to support a uniform dead load of 2k/ft (Self-weightincluded) and a concentrated live load of 13k at midspan of a 30' simple span.The beam has lateral support of the compression flange at the ends and at theconcentrated load. The maximum service live load deflection may not exceedL/1000.

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A W-shape member will be used in a cantilever to support a distributed loa shown in the figure below. The load is a superposition of dead load, WD = 2 kips/ft (including self-weight), and live load, wi = 3 kips/ft. The member is laterally braced at the fixed support and at the end. By the LRFD provision AISC, what is the lightest W18 that can support the specified load? Does th section satisfy a deflection limit of L/150 for service loads? WD= 2 k/ft WL = 3 k/ft

A W-shape member will be used in a cantilever to support a distributed loa shown in the figure below. The load is a superposition of dead load, WD = 2 kips/ft (including self-weight), and live load, wi = 3 kips/ft. The member is laterally braced at the fixed support and at the end. By the LRFD provision AISC, what is the lightest W18 that can support the specified load? Does th section satisfy a deflection limit of L/150 for service loads? WD= 2 k/ft WL = 3 k/ft

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Connections

In steel structures, connections are the members that join two or more steel members. The connections are the most important members of any steel structure, and hence, they are designed more carefully. The majority of the construction cost of steel structures is incurred due to the connections. The design of connections is done as per the recommendations and specifications of the American Institute of Steel Construction (AISC).

Question

1. A W-shape member will be used in a cantilever to support a distributed load as
shown in the figure below. The load is a superposition of dead load, wp=
kips/ft (including self-weight), and live load, wi = 3 kips/ft. The member is
laterally braced at the fixed support and at the end. By the LRFD provisions of
AISC, what is the lightest W18 that can support the specified load? Does this
section satisfy a deflection limit of L/150 for service loads?
= 2
WD= 2 k/ft
WL = 3 k/ft
20'
2. Select the lightest W-section to support a uniform dead load of 2k/ft (Self-weight
included) and a concentrated live load of 13k at midspan of a 30' simple span.
The beam has lateral support of the compression flange at the ends and at the
concentrated load. The maximum service live load deflection may not exceed
L/1000.

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kindly answer this step by step, thank you
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