A circular concrete shaft liner with a Youngs modulus of 3.4 million psi, Poissons ratio of 0.25,
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A circular concrete shaft liner with a Young’s modulus of 3.4 million psi, Poisson’s ratio of 0.25, unconfined compressive strength 3,500 psi and tensile strength 350 psi is considered for control of water pressure (190 psi) at a depth of 3,750 ft. Inside shaft diameter after lining must be 18 ft. Find the liner thickness necessary to achieve a safety factor of 2.5. What outside shaft diameter is indicated?
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Given Circular concrete shaft liner E34106 psi v025 Co3500 psi To 350 psi ...View the full answer
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