Question

A homeowner constructs a swimming pool in her backyard. For construction, she plans to excavate to a depth of 2 m. below the ground surface. She constructs the pool using 0.3 m. thick concrete walls and base. The external dimensions of the pool are 6 m (length) by 5 m. (width) by 2 m. (depth). While the groundwater table is originally below the depth of the excavation, it raises to the ground surface during a month of heavy precipitation. 1) What is the minimum depth of water that the owner must have in the pool to keep it from floating out of the ground? 2) Describe a design alternative that could be used to insure that the pool does not float out of the ground when empty. Assume that the dimensions of the pool cannot be changed.

          A homeowner constructs a swimming pool in her backyard. For construction, she plans to excavate to a depth of 2 m. below the ground surface. She constructs the pool using 0.3 m. thick concrete walls and base. The external dimensions of the pool are 6 m (length) by 5 m. (width) by 2 m. (depth). While the groundwater table is originally below the depth of the excavation, it raises to the ground surface during a month of heavy precipitation.

1) What is the minimum depth of water that the owner must have in the pool to keep it from floating out of the ground?

2) Describe a design alternative that could be used to insure that the pool does not float out of the ground when empty. Assume that the dimensions of the pool cannot be changed.

A homeowner constructs a swimming pool in her backyard. For construction, she plans to excavate to a depth of 2 m. below the ground surface. She constructs the pool using 0.3 m. thick concrete walls and base. The external dimensions of the pool are 6 m (length) by 5 m. (width) by 2 m. (depth). While the groundwater table is originally below the depth of the excavation, it raises to the ground surface during a month of heavy precipitation.

1) What is the minimum depth of water that the owner must have in the pool to keep it from floating out of the ground?

2) Describe a design alternative that could be used to insure that the pool does not float out of the ground when empty. Assume that the dimensions of the pool cannot be changed.

Added by Mercedes H.

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