Question 1 A 16 m diameter steel oil storage tank is to be built on the surface of saturated stiff clay. Within the stiff clay layer there is a 2 m thick layer of saturated soft clay whose upper surface is at a depth of 6 m below the ground surface. When the tank is fully operational, the flexible foundation of the tank will transmit a uniform pressure q, to the ground surface. During operation, the maximum vertical allowable stress at the top of the soft clay is to be 38 kPa. a) If the overall mass of the steel in the tank is 177.6 Mg, determine the maximum depth of oil that can be stored in the tank to avoid any over-stressing of the soft clay. The density of the oil is 850 kg/m3.
Question 1 A 16 m diameter steel oil storage tank is to be built on the surface of saturated stiff clay. Within the stiff clay layer there is a 2 m thick layer of saturated soft clay whose upper surface is at a depth of 6 m below the ground surface. When the tank is fully operational, the flexible foundation of the tank will transmit a uniform pressure q, to the ground surface. During operation, the maximum vertical allowable stress at the top of the soft clay is to be 38 kPa. a) If the overall mass of the steel in the tank is 177.6 Mg, determine the maximum depth of oil that can be stored in the tank to avoid any over-stressing of the soft clay. The density of the oil is 850 kg/m3.
Chapter2: Loads On Structures
Section: Chapter Questions
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Transcribed Image Text:Question 1
A 16 m diameter steel oil storage tank is to be built on the surface of saturated stiff
clay. Within the stiff clay layer there is a 2 m thick layer of saturated soft clay whose
upper surface is at a depth of 6 m below the ground surface. When the tank is fully
operational, the flexible foundation of the tank will transmit a uniform pressure q, to the
ground surface. During operation, the maximum vertical allowable stress at the top of
the soft clay is to be 38 kPa.
a)
If the overall mass of the steel in the tank is 177.6 Mg, determine the maximum
depth of oil that can be stored in the tank to avoid any over-stressing of the soft
clay. The density of the oil is 850 kg/m3.
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