34 Estimate the tensile strength required to prevent cracking in a concrete-like material that is cast into a bar, 50 in. long, and is fully restrained at each end against axial movement. The concrete is initially cast and cured at a temperature of 100°F and subsequently cools to a temperature of 0°F. Assume the modulus of elasticity is 5 million psi and the thermal coefficient is 5 x 106 in./in./°F.

Solid Waste Engineering
3rd Edition
ISBN:9781305635203
Author:Worrell, William A.
Publisher:Worrell, William A.
Chapter5: Separation Processes
Section: Chapter Questions
Problem 5.33P: According to Figure 5-20, is ii possible to completely separate one of the four materials from the...
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1.34 Estimate the tensile strength required to prevent cracking in a concrete-like
material that is cast into a bar, 50 in. long, and is fully restrained at each end
against axial movement. The concrete is initially cast and cured at a temperature
of 100°F and subsequently cools to a temperature of 0°F. Assume the modulus of
elasticity is 5 million psi and the thermal coefficient is 5 x 10-6 in./in./°F.
Transcribed Image Text:1.34 Estimate the tensile strength required to prevent cracking in a concrete-like material that is cast into a bar, 50 in. long, and is fully restrained at each end against axial movement. The concrete is initially cast and cured at a temperature of 100°F and subsequently cools to a temperature of 0°F. Assume the modulus of elasticity is 5 million psi and the thermal coefficient is 5 x 10-6 in./in./°F.
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