A twelve-story condominium is planned for construction on the Gulf Coast. The foundation for the building is to be friction piles (no end bearing). A prestressed concrete fabrication facilitv is within 30 miles of the project (i.e. use square prestressed concrete piles). If the bottom floor interior column loads are 500 tons and pile groups are not to exceed eight, determine the cross- sectional dimensions and length of piles required to support the interior column loads using a factor of safety of 3. Assume the piles have a center-to-center spacing such that the group efficiency is 1.0. (i.e. disregard whether or not the pile group acts as a block). The NO cross-sectional dimension should exceed 24 inches.
A twelve-story condominium is planned for construction on the Gulf Coast. The foundation for
the building is to be friction piles (no end bearing). A prestressed concrete fabrication facilitv is
within 30 miles of the project (i.e. use square prestressed concrete piles). If the bottom floor
interior column loads are 500 tons and pile groups are not to exceed eight, determine the cross-
sectional dimensions and length of piles required to support the interior column loads using a factor
of safety of 3. Assume the piles have a center-to-center spacing such that the group efficiency is
1.0. (i.e. disregard whether or not the pile group acts as a block). The NO cross-sectional
dimension should exceed 24 inches.
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