Question: Calculate the minimum depth at which one much place a water main below the surface of the ground to avoid freezing. Assume the soil is

Calculate the minimum depth at which one much place a water

Calculate the minimum depth at which one much place a water main below the surface of the ground to avoid freezing. Assume the soil is initially at a uniform temperature of 20C and that under the worst conditions it is subject to a surface temperature of -15C for 60 days. For the soil, p=2050 kg/m?; k=0.52 W/mC; Cp=1840 J/kgC

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