Steel Design (Activate Learning with these NEW titles from Engineering!)
Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN: 9781337094740
Author: Segui, William T.
Publisher: Cengage Learning
Question
Chapter 3, Problem 3.7.4P
To determine

The size of threaded rod using load and resistance factor design method.

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A W14X120 is used as a tension member in atruss. The flanges of the member are connected to a gusset plate by ¾ inch boltas shown below. Use A36 steel with Fy=36 ksi and Fu=58 ksi Determine the Yielding Capacity of the section based on LRFD (kips)
A cantilever beam having a 4m span carries a uniformly distributed load throughout its length. The beam is A36 steel with yield strength Fy = 248 MPa. The beam is not restrained against lateral buckling. The beam is W 21 x 93 steel. Determine the maximum value of the moment at the fixed support. Please include FBD/drawing.
Select a rectangular (not square) HSS for use as a 15-foot-long compression member that must resist a service dead load of 35 kips and a service live load of 80 kips. The member will be pinned at each end, with additional support in the weak direction at midheight. Use A500 Grade C steel. a. Use LRFD. b. Use ASD
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  • Using LRFD select the lightest W 14 section to carry a service load P of 100 kips dead load and 400 kips live load.  The compression load acts with an eccentricity of 12-inches with respect to the strong axis.  Use A992 steel (Fy = 50 ksi).  Take the unbraced length to be L.  This beam-column is part of a braced frame (BF) system.  Please determine Cb and use it.  Take Cm = 1.0.  Since this can involve many iterations, start the problem by selecting a column meant to resist an ‘equivalent’ axial load of Pu plus 140% of the Mu. (use kips as the unit for Mu).  I.E.: Pu,eq = Pu + 1.4*Mu  (gives result in kips).  Also, note that regardless of the results of this first attempt, the beam-column must meet the AISC criteria of H1-1a or H1-1b as usual.  Note: This ‘equivalent’ method was first published in the AISC Engineering Journal by Uang, Watter, and Leet.
    1.Select a W12 of A992 steel. Use the column load tables. Use LRFD.2. For the conditions shown in Figure, use LRFD and select a W10 of A992 steel. Use LRFD.
    An 80-foot long plate girder (see below) is fabricated from a ½-inch x 78-inch web and two 3inch x 22-inch flanges. Continuous lateral support is provided.  The steel is A992.  The loading consists of a uniform service dead load of 1.0 kip/ft (including the self-weight), a uniform service live load of 2.0 kips/ft, and a concentrated service live load of 500 kips at midspan. Stiffeners are placed at each end and at 4 feet, 16 feet, and 28 feet from each end.  Once stiffener is placed at midspan.  Determine whether the flexural strength is adequate using LRFD.
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  • Steel Design (Activate Learning with these NEW ti...
    Civil Engineering
    ISBN:9781337094740
    Author:Segui, William T.
    Publisher:Cengage Learning
  • Steel Design (Activate Learning with these NEW ti...
    Civil Engineering
    ISBN:9781337094740
    Author:Segui, William T.
    Publisher:Cengage Learning