(a) Suppose we have a site where there is 30 m of sandstone (density of 2600 kg/m') overlying basalt with a density of 3000 kg/m'. Calculate the total vertical compressive stress induced at 50 m depth from these rock units. (b) Suppose we take a core sample of a granite with a radius of 1.25 cm and a length of 5 cm and we load it under a uniaxial compressive force of 30 kN. At that force we find the core is now 4.995 cm long. What is the modulus of elasticity for this granite?
(a) Suppose we have a site where there is 30 m of sandstone (density of 2600 kg/m') overlying basalt with a density of 3000 kg/m'. Calculate the total vertical compressive stress induced at 50 m depth from these rock units. (b) Suppose we take a core sample of a granite with a radius of 1.25 cm and a length of 5 cm and we load it under a uniaxial compressive force of 30 kN. At that force we find the core is now 4.995 cm long. What is the modulus of elasticity for this granite?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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