Case study pile load testing (PLT) to evaluate driven pile behaviors
By: Alimohammadi, Hossein
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Contributor(s): Tahat, Jamal N.
Publisher: New York Springer 2022Edition: Vol.52(4), Aug.Description: 959-968p.Subject(s): Civil EngineeringOnline resources: Click here
In:
Indian geotechnical journalSummary: Soil properties are used by geotechnical engineers for evaluation and analysis of pile design. Pile Load Testing (PLT) evaluates the satisfaction of the soil-pile systems in terms of proposed pile-load design and develops criteria for pile-structure installation and design purposes. Forty-two instrumented lateral-tension and axial-tension pile-load tests on piles of different lengths at site locations in Ohio’s Ross and Pickaway Counties were performed, and test results provided an opportunity to investigate behavior of soil setup related to soil properties. A series of Standard Penetration Tests (SPT), soil gradation, Atterberg limits, shear strength, and compressive strength soil tests were also performed to determine the soil subsurface conditions. The evaluation of results of pile-test drive times, axial-pile load tests, and lateral-pile load tests were then considered for design purposes. The test results were then divided into different zones. The pile-load test results indicated that although the toe resistances stayed almost consistent with time for all test piles, shaft resistances increased with time. The proposed case study investigation can help engineers in using PLT test results in driven-pile design to achieve improved accuracy.
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School of Engineering & Technology (PG) Archieval Section | Not for loan | 2022-1533 |
Soil properties are used by geotechnical engineers for evaluation and analysis of pile design. Pile Load Testing (PLT) evaluates the satisfaction of the soil-pile systems in terms of proposed pile-load design and develops criteria for pile-structure installation and design purposes. Forty-two instrumented lateral-tension and axial-tension pile-load tests on piles of different lengths at site locations in Ohio’s Ross and Pickaway Counties were performed, and test results provided an opportunity to investigate behavior of soil setup related to soil properties. A series of Standard Penetration Tests (SPT), soil gradation, Atterberg limits, shear strength, and compressive strength soil tests were also performed to determine the soil subsurface conditions. The evaluation of results of pile-test drive times, axial-pile load tests, and lateral-pile load tests were then considered for design purposes. The test results were then divided into different zones. The pile-load test results indicated that although the toe resistances stayed almost consistent with time for all test piles, shaft resistances increased with time. The proposed case study investigation can help engineers in using PLT test results in driven-pile design to achieve improved accuracy.
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