Materials for Civil and Construction Engineers (4th Edition)
4th Edition
ISBN: 9780134320533
Author: Michael S. Mamlouk, John P. Zaniewski
Publisher: PEARSON
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Chapter 1, Problem 1.12QP
The rectangular metal block shown in Figure P1.11 is subjected to tension within the elastic range. The increase in the length of a is 0.05 mm and the Poisson’s ratio for the material is 0.33. If the original lengths of a and b were 50 mm and 25 mm, respectively, what is the change in the length of b? Is this change expansion or contraction?
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6-19 Determine the LRFD design strength and the ASD allowable strength of the section shown
if snug-tight bolts 3 ft on center are used to connect the A572-Grade 50 angles. The two
angles, 5×31/2 × 5/16, are oriented with the long legs back-to-back
(2 L5 × 31/2 × 5/16 LLBB) and separated by 3/8 inch. The effective length,
(Lc)x = (Lc)y = (Lc)z
=
14 ft. (Ans. 65.4 k LRFD; 43.5 k ASD)
Figure P6-19
x
x
2L5×32×5/16 LLBB
6-21 Four 3×3× 1/4 angles are used to form the member shown in the accompanying
illustration. The member is 24 ft long, has pinned ends, and consists of A572-Grade 50
steel. Determine the LRFD design strength and the ASD allowable strength of the
member. Design single lacing and end tie plates, assuming connections are made to the
angles with 3/4-in diameter bolts. (Ans. 159.1 k LRFD; 106.0 k ASD)
Figure P6-21
12 in
L
12 in
1000 th
2' 2'
w=200 to /ft
Handout Problem #3.
A beam has the loading and cross section shown.
1) Draw the shear force and bending moment diagrams
for the beam.
5" 2) Determine the maximum bending stress in the
beam. Carefully identify its location both along the
beam and along the cross section.
3) Determine the maximum transverse shear stress in
the beam. Carefully identify its location both along
the beam and along the cross section:
y=2" up
from bottom
"INA = 33.33 int
VMAX = 1160+b
MMAX - 2704 Hb-ft
QMAX = 8mm³
Chapter 1 Solutions
Materials for Civil and Construction Engineers (4th Edition)
Ch. 1 - State three examples of a static load application...Ch. 1 - A material has the stressstrain behavior shown in...Ch. 1 - A tensile load of 50.000 lb is applied to a metal...Ch. 1 - A tensile load of 190 kN is applied to a round...Ch. 1 - A cylinder with a 6.0 in. diameter and 12.0 in....Ch. 1 - A metal rod with 0.5 inch diameter is subjected to...Ch. 1 - A rectangular block of aluminum 30 mm 60 mm 90...Ch. 1 - A plastic cube with a 4 in. 4 in. 4 in. is...Ch. 1 - A material has a stressstrain relationship that...Ch. 1 - On a graph, show the stressstrain relationship...
Ch. 1 - The rectangular block shown in Figure P1.11 is...Ch. 1 - The rectangular metal block shown in Figure P1.11...Ch. 1 - A cylindrical rod with a length of 380 mm and a...Ch. 1 - A cylindrical rod with a radius of 0.3 in. and a...Ch. 1 - A cylindrical rod with a diameter of 15.24 mm and...Ch. 1 - The stressstrain relationship shown in Figure...Ch. 1 - A tension test performed on a metal specimen to...Ch. 1 - An alloy has a yield strength of 41 ksi, a tensile...Ch. 1 - Prob. 1.21QPCh. 1 - Figure P1.22 shows (i) elasticperfectly plastic...Ch. 1 - An elastoplastic material with strain hardening...Ch. 1 - A brace alloy rod having a cross sectional area of...Ch. 1 - A brass alloy rod having a cross sectional area of...Ch. 1 - A copper rod with a diameter of 19 mm, modulus of...Ch. 1 - A copper rod with a diameter of 0.5 in., modulus...Ch. 1 - Define the following material behavior and provide...Ch. 1 - An asphalt concrete cylindrical specimen with a...Ch. 1 - What are the differences between modulus of...Ch. 1 - Prob. 1.33QPCh. 1 - A metal rod having a diameter of 10 mm is...Ch. 1 - What is the factor of safety? On what basis is its...Ch. 1 - Prob. 1.36QPCh. 1 - Prob. 1.37QPCh. 1 - A steel rod, which is free to move, has a length...Ch. 1 - In Problem 1.38, if the rod is snugly fitted...Ch. 1 - A 4-m-long steel plate with a rectangular cross...Ch. 1 - Estimate the tensile strength required to prevent...Ch. 1 - Prob. 1.42QPCh. 1 - Briefly discuss the variability of construction...Ch. 1 - In order to evaluate the properties of a material,...Ch. 1 - A contractor claims that the mean compressive...Ch. 1 - A contractor claims that the mean compressive...Ch. 1 - Prob. 1.47QPCh. 1 - Prob. 1.48QPCh. 1 - Prob. 1.49QPCh. 1 - Briefly discuss the concept behind each of the...Ch. 1 - Referring to the dial gauge shown in Figure P1.51,...Ch. 1 - Repeat Problem 1.51 using the dial gauge shown in...Ch. 1 - Measurements should be reported to the nearest...Ch. 1 - During calibration of an LVDT, the data shown in...Ch. 1 - During calibration of an LVDT, the data shown in...
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