Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
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Question
Chapter 10, Problem 10.5.2P
To determine
(a)
The required distance to the next stiffener if a stiffener is placed at the end of the girder by using LRFD.
To determine
(b)
The required distance to the next stiffener if a stiffener is placed at the end of the girder by using ASD.
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A plate girder is composed of the following elements:
Web plate: 900 mm depth x 10 mm thickness
Two angles : ISA 200 mmx100 mmx12.0 mm @ 27.2 kglm, in each flange
Two flange plates : 500 mm x 16 mm in each flange.
(1),
(ii)
(ii)
The girder is simply supported over an effective span of 12 m. The diameter of rivets used
for connecting flange angles to the web and flange plates to flange angles is 20 mm.
Determine the safe uniformly distributed load which the girder can carry, inclusive of its own
weight. Assume that the compression flange is not restrained against lateral bending, but the ends
are restrained against torsion. Take fy = 250 N/mm2.
A compound girder consists of a 45 cm by 18 cm steel joist, of weight 1000 N/m, with
a steel plate 25 cm by 3 cm welded to each flange. If the ends are simply-supported and
the effective span is 10 m, what is the maximum uniformly distributed load which can
be supported by the girder? What weld thicknesses are required to support this load?
Allowable longitudinal stress in plates = 110 MN/m²
Allowable shearing stress in welds = 60 MN/m²
Allowable shearing stress in web of girder = 75 MN/m²
2.4cm
-18cm
14cm
45cm
Chapter 10 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
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ISBN:9781337094740
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Publisher:Cengage Learning