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Load Tests on Small Diameter Augered Cast-in-Place Piles through Fill
Due to the presence of a relatively thick layer of miscellaneous and rubble fill overlying low strength alluvial clay, augered cast-in-place (ACIP) piles were recommended for support of the Diamond Jo Casino and City of Dubuque parking ramp. During bidding, a deep foundation contractor proposed a significant cost savings if a reduction in the pile diameters would be considered. A test pile, with the smaller diameter proposed by the contractor, was installed at the Casino site and instrumented with strain gage sister bars to evaluate the side resistance support in the fill and underlying native soils. A similar pile load test program was later performed for the Ramp project. The pile load test results provided side resistance values greater than those used in the static design and allowed the use of the smaller diameter piles proposed by the contractor.
Load Tests on Small Diameter Augered Cast-in-Place Piles through Fill
Due to the presence of a relatively thick layer of miscellaneous and rubble fill overlying low strength alluvial clay, augered cast-in-place (ACIP) piles were recommended for support of the Diamond Jo Casino and City of Dubuque parking ramp. During bidding, a deep foundation contractor proposed a significant cost savings if a reduction in the pile diameters would be considered. A test pile, with the smaller diameter proposed by the contractor, was installed at the Casino site and instrumented with strain gage sister bars to evaluate the side resistance support in the fill and underlying native soils. A similar pile load test program was later performed for the Ramp project. The pile load test results provided side resistance values greater than those used in the static design and allowed the use of the smaller diameter piles proposed by the contractor.
Load Tests on Small Diameter Augered Cast-in-Place Piles through Fill
Beck, W. Ken (author) / Harrison, Patrick J. (author)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
Contemporary Topics in Deep Foundations ; 430-437
2009-03-10
Conference paper
Electronic Resource
English
Load Tests on Small Diameter Augered Cast-in-Place Piles through Fill
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