1.11 The rectangular block shown in Figure P1.11 is subjected to tension within the elastic range. The increase in the length of a is 2 x 10-³in. and the contraction of b is 3.25 x 10-in. If the original lengths of a and b were 2 in. and 1 in., respectively, what is Poisson's ratio for the material of the specimen? O O

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Subject is properties of behavior Please answer 1.11
Q
1.9 A material has a stress-strain relationship that can be approximated by
the equation
ε = 0.3 x 10
Figure P1.11
where the stress is in psi. Find the secant modulus and the tangent modulus
for the stress level of 50,000 psi.
1.10 On a graph, show the stress-strain relationship under loading and
unloading for the following two materials:
a. nonlinear elastic material
b. elastoplastic material with strain hardening
Ib
16
1.11 The rectangular block shown in Figure P1.11 is subjected to tension
within the elastic range. The increase in the length of a is 2 x 10-³in. and
the contraction of b is 3.25 × 10-in. If the original lengths of a and b were
2 in. and 1 in., respectively, what is Poisson's ratio for the material of the
specimen?
O
x 0³
O
Transcribed Image Text:Q 1.9 A material has a stress-strain relationship that can be approximated by the equation ε = 0.3 x 10 Figure P1.11 where the stress is in psi. Find the secant modulus and the tangent modulus for the stress level of 50,000 psi. 1.10 On a graph, show the stress-strain relationship under loading and unloading for the following two materials: a. nonlinear elastic material b. elastoplastic material with strain hardening Ib 16 1.11 The rectangular block shown in Figure P1.11 is subjected to tension within the elastic range. The increase in the length of a is 2 x 10-³in. and the contraction of b is 3.25 × 10-in. If the original lengths of a and b were 2 in. and 1 in., respectively, what is Poisson's ratio for the material of the specimen? O x 0³ O
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