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JANUARY, 2009 MEETING Analysis of Four Axial Compression Load Tests on High Capacity Augered Cast-in-Place Piles in the Texas Gulf Coast Soils Speaker: Mr. Raghu N. Dass, Ph.D., P.E. of Trinity Soil Investigation Laboratories Inc. PRESENTATION SUMMARY To an audience of about 50 at the HESS Club, Dr. Dass, FPA Member, Chief Engineer for Trinity Soil Investigation Laboratories, and a licensed professional engineer in Texas with MS and PhD degrees in civil engineering from Southern Illinois University at Carbondale presented, "Analysis of Four Axial Compression Load Tests on High Capacity Augered Cast-in-Place (ACIP) Piles in the Texas Gulf Coast Soils".
The load tests of three of the piles were taken to failure, and the load test data was recorded. One of the piles did not reach failure, although the test exceeded the design requirements by a significant amount. In all tests, the actual capacities of the in-place pilings exceeded the expected design loads.
Load tests should be performed to confirm design capacity of ACIP piles in Beaumont clays for a more rational ultimate capacity resulting in higher pile capacities and lower foundation costs. Doing this test should cost less than supplying AGIP piles designed to the standard alpha value of 0.55. To download the paper that Dr. Dass presented, click here To download the slides that Dr. Dass presented, click here |
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