An A992 simply supported W18X97 beam is subjected to an axial compressive load which consists of a service dead load of 46 kN and service live load of 92kN. A 150kN/m factored uniform load is also applied on the beam. Bending is about the x-axis. The beam has a span of 6m. The beam is laterally supported only at both ends (Lp = 2.85m, Lr = 7.07m). Consider moment amplification and Cb = 1.14.

An A992 simply supported W18X97 beam is subjected to an axial compressive load which consists of a service dead load of 46 kN and service live load of 92kN. A 150kN/m factored uniform load is also applied on the beam. Bending is about the x-axis. The beam has a span of 6m. The beam is laterally supported only at both ends (Lp = 2.85m, Lr = 7.07m). Consider moment amplification and Cb = 1.14.

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

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

An A992 simply supported W18X97 beam is
subjected to an axial compressive load which
consists of a service dead load of 46 kN and
service live load of 92kN. A 150kN/m factored
uniform load is also applied on the beam. Bending
is about the x-axis. The beam has a span of 6m.
The beam is laterally supported only at both ends
(Lp = 2.85m, Lr = 7.07m). Consider moment
amplification and Cb = 1.14.
Determine the following:
Design compressive strength
Design flexural strength about x-axis
Moment amplification factor B1
Beam-column interaction ratio

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