Complete Solutions Manual for Civil Engineering Materials, 1st Edition by Nagaratnam Sivakugan, Carthigesu T. Gnanendran, Rabin Tuladhar, M. Bobby Kannan ; ISBN13: 9781305386648....(Full Chapters included Chapter 1 to 13)...1. ENGINEERING BEHAVIOR OF MATERIALS -- SOME FUNDAMENTALS.
2. CHEMISTRY OF...
An Instructor’s Solutions Manual to Accompany
CIVIL ENGINEERING MATERIALS, 1ST EDITION
NAGARATNAM SIVAKUGAN
CARTHIGESU T. GNANENDRAN
RABIN TULADHAR
M. BOBBY KANNAN
,INSTRUCTOR'S SOLUTIONS MANUAL
TO ACCOMPANY
Civil Engineering
Materials
1st EDITION
NAGARATNAM SIVAKUGAN
CARTHIGESU T. GNANENDRAN
RABIN TULADHAR
M. BOBBY KANNAN
8. In elastic-plastic model (Figure 1.4c), the stress-strain plot consists of two separate segments
with the first segment being perfectly elastic and the second being perfectly plastic. In
elasto-plastic model, the elastic and plastic strains occur simultaneously at all strain levels.
9.
a b
This can be written as
1
a b
When , = u = 1/b
d (a b )1 b a
d (a b ) 2
(a b ) 2
d 1
At = 0,
d a
10. From Figure 1.16, the yield stress is about 145 MPa.
Young’s modulus E = 155/0.005 = 31,000 MPa or 31.0 GPa.
At 3% strain (i.e., = 0.03), the stress is 280 MPa.
Unloading takes place along the line BC shown in the figure. The elastic strain is given by
280
e 0.009 or 0.9%
31000
Therefore, the plastic strain is given by
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