A W460x60 steel beam is loaded as shown. Assume w- 50 kN/m, Mọ – 95 kN-m, Las - 3.8 m, Lec - 1.6 m, E- 200 GPa, and /- 255x 10° mm“. (a) Determine the reaction force at roller B. Forces are positive upwards. (b) Determine the maximum positive bending moment in the span. (c) If the allowable bending stress is 210 MPa, determine the minimum acceptable section modulus for the steel beam. Mo B LAB LBC

A W460x60 steel beam is loaded as shown. Assume w- 50 kN/m, Mọ – 95 kN-m, Las - 3.8 m, Lec - 1.6 m, E- 200 GPa, and /- 255x 10° mm“. (a) Determine the reaction force at roller B. Forces are positive upwards. (b) Determine the maximum positive bending moment in the span. (c) If the allowable bending stress is 210 MPa, determine the minimum acceptable section modulus for the steel beam. Mo B LAB LBC

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.4.5P

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Concept explainers

Beams

In structural engineering, a beam is a component made of a variety of materials (including steel alloys, and wood) that can resist loads applied laterally to the beam axis. Members, elements, rafters, shafts, and purlins are all terms used to describe beams.

Question

AW460×60 steel beam is loaded as shown. Assume w - 50 kN/m, Mo - 95 kN-m, Las - 3.8 m, Lec - 1.6 m, E- 200 GPa, and I- 255 x
10° mm.
(a) Determine the reaction force at roller B. Forces are positive upwards.
(b) Determine the maximum positive bending moment in the span.
(c) If the allowable bending stress is 210 MPa, determine the minimum acceptable section modulus for the steel beam.
Mo
LAB
LBC
Answer:
(a) Ву -
kN
(b) Mpos
kN-m
(c) Smin
x 10° m3

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