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 5, Problem 5.5.3P
To determine
(a)
To find: whether W30 X 108 is adequate using LRFD.
To determine
(b)
To find: whether W30 X 108 is adequate using ASD method.
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A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm, flange thickness of 20mm and moment of inertia Ix = 1.16x109 mm4 . Its web thickness is 10mm and has a simple span of 9m. A 40 kN/m uniform load is loaded throughout its span and 200kN load acting at midspan. Allowable bending stress of the beam is 148.8 MPa. Situation No.1.1 Determine the length of top and bottom reinforcing plates if necessary
A steel beam is made up of a wide flange section whose total depth is 600mm, width of the flange is 300mm,
flange thickness of 20mm and moment of inertia Ix = 1.16x109 mm4
. Its web thickness is 10mm and has a simple
span of 9m. A 40 kN/m uniform load is loaded throughout its span and 200kN load acting at midspan. Allowable
bending stress of the beam is 148.8 MPa.
Situation No. 1
1. Determine the required section modulus without exceeding the allowable bending stress.
2. Determine the section modulus of the wide flange.
3. Determine the width of top and bottom reinforcing plates 12mm thick if necessary.
4. Determine the length of top and bottom reinforcing plates if necessary.
The beam in the figure carries a uniform load of 20 kN/m including its own weight, a concentrated load of 400 kN at 2.4 m from the left support and another concentrated load at 280 kNat 1.2 m from right end. The beam is laterally unsupported except at the two vertical ends. The beam is to be made of W 16 x 77. Use AISC Specifications for A36 steel Fy= 248.69 MPa. a. Determine the maximum bending moment of the beam.
b. Determine the maximum or actual flexural stress of the beam.
c. Determine the allowable flexural stress of the beam.
d. Is it safe to use the said steel as beam? Why?
Chapter 5 Solutions
Steel Design (Activate Learning with these NEW titles from Engineering!)
Ch. 5 - Prob. 5.2.1PCh. 5 - Prob. 5.2.2PCh. 5 - Verify the value of Zx for a W1850 that is...Ch. 5 - Prob. 5.2.4PCh. 5 - Prob. 5.4.1PCh. 5 - Prob. 5.4.2PCh. 5 - Determine the smallest value of yield stress Fy,...Ch. 5 - Prob. 5.5.1PCh. 5 - Prob. 5.5.2PCh. 5 - Prob. 5.5.3P
Ch. 5 - Prob. 5.5.4PCh. 5 - Prob. 5.5.5PCh. 5 - Prob. 5.5.6PCh. 5 - Prob. 5.5.7PCh. 5 - Prob. 5.5.8PCh. 5 - Prob. 5.5.9PCh. 5 - If the beam in Problem 5.5-9 i5 braced at A, B,...Ch. 5 - Prob. 5.5.11PCh. 5 - Prob. 5.5.12PCh. 5 - Prob. 5.5.13PCh. 5 - Prob. 5.5.14PCh. 5 - Prob. 5.5.15PCh. 5 - Prob. 5.5.16PCh. 5 - Prob. 5.6.1PCh. 5 - Prob. 5.6.2PCh. 5 - Prob. 5.6.3PCh. 5 - Prob. 5.6.4PCh. 5 - Compute the nominal shear strength of an M107.5 of...Ch. 5 - Compute the nominal shear strength of an M1211.8...Ch. 5 - Prob. 5.8.3PCh. 5 - Prob. 5.8.4PCh. 5 - Prob. 5.10.1PCh. 5 - Prob. 5.10.2PCh. 5 - Same as Problem 5.10-2, except that lateral...Ch. 5 - Prob. 5.10.4PCh. 5 - The given beam is laterally supported at the ends...Ch. 5 - Prob. 5.10.6PCh. 5 - Prob. 5.10.7PCh. 5 - Prob. 5.11.1PCh. 5 - Prob. 5.11.2PCh. 5 - Prob. 5.11.3PCh. 5 - Prob. 5.11.4PCh. 5 - Prob. 5.11.5PCh. 5 - Prob. 5.11.6PCh. 5 - Prob. 5.11.7PCh. 5 - Prob. 5.11.8PCh. 5 - Prob. 5.11.9PCh. 5 - Prob. 5.12.1PCh. 5 - Prob. 5.12.2PCh. 5 - Prob. 5.12.3PCh. 5 - Prob. 5.13.1PCh. 5 - Prob. 5.13.2PCh. 5 - Prob. 5.14.1PCh. 5 - Prob. 5.14.2PCh. 5 - Prob. 5.14.3PCh. 5 - Prob. 5.14.4PCh. 5 - Prob. 5.15.1PCh. 5 - Prob. 5.15.2PCh. 5 - Prob. 5.15.3PCh. 5 - Prob. 5.15.4PCh. 5 - Prob. 5.15.5PCh. 5 - Prob. 5.15.6PCh. 5 - Prob. 5.15.7PCh. 5 - Same as Problem 5.15-7, except that the sag rods...
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