Materials Science and Engineering: An Introduction, 9e and WileyPLUS Registration Card
9th Edition
ISBN: 9781118562437
Author: Callister Jr., William D.; Rethwisch, David G.
Publisher: Wiley (for U Mass Amherst)
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Consider the two composite columns shown below and denoted as columns 1 and 2. These columns
have same gross area but differ in the geometries of the steel and concrete components. In particular,
the square steel hollow section in section A-A (for column 1) has thickness of t, while the square steel
hollow section in section B-B (for column 2) has thickness of 2t.
a
t
t
Column 1
steel
steel
concrete
concrete
B
B
Column 2
2t
2t
2t
2t
a
a
Section A-A
(for column 1)
a
Section B-B
(for column 2)
Assume that these columns are subjected to the same sustained load Po applied at time to and
maintained constant afterwards (see time axis below).
РА
Ро
0
time
Provide a qualitative description of the variation over time due to creep effects (do not consider
shrinkage effects in this question) of the following variables for each of the two columns considered
(i.e. columns 1 and 2):
1) deformations in the concrete
2) deformations in the steel
3) stresses in the concrete
4) stresses in the steel
For…
The quantum efficiency of a pin-photodiode is 75 % at a wavelength of 1320 nm. The diode’s capacitance is 11 pF.
For an input optical power of 1 mW, evaluate the mean (4)
For the truss shown in Fig 2, determine the nodal displacement and member forces for all elements of the truss. Assume for each member A = 0.0015 m2 and E = 200 GPa
please show all working, relevant FBD's and use ID's indicated in the diagram.
Note: the truss has a vertical measurement of 2m and a horizontal mesurement of 2m
Chapter 3 Solutions
Materials Science and Engineering: An Introduction, 9e and WileyPLUS Registration Card
Ch. 3.17 - Prob. 1QPCh. 3.17 - Prob. 2QPCh. 3.17 - Prob. 3QPCh. 3.17 - Prob. 4QPCh. 3.17 - Prob. 5QPCh. 3.17 - Prob. 6QPCh. 3.17 - Prob. 7QPCh. 3.17 - Prob. 8QPCh. 3.17 - Prob. 9QPCh. 3.17 - Prob. 10QP
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