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PREDICTION OF BEARING CAPACITY OF FRICTION PILES IN SOFT LOUISIANA SOILS BY CONE PENETRATION TEST.
| 题名： | PREDICTION OF BEARING CAPACITY OF FRICTION PILES IN SOFT LOUISIANA SOILS BY CONE PENETRATION TEST. |
| 作者： | Abu-Farsakh-MY; Titi-HH; Tumay-MT |
| 关键词： | ACCURACY-; AXIAL-COMPRESSION; BEARING-CAPACITY; COMPARISON-; CONE-PENETROMETERS; FRICTION-PILES; LOAD-TESTS; LOUISIANA-; MATHEMATICAL-METHODS; MATHEMATICAL-PREDICTION; SOFT-SOILS |
| 摘要： | A comparison of four different methods for predicting the axial compression capacity of single piles using cone penetration test (CPT) results is presented. Nineteen pile load tests and parallel CPT soundings conducted close to the piles were identified and documented from the Louisiana Department of Transportation and Development archives. Piles with different sizes and lengths were investigated. The four prediction methods selected were the Schmertmann method, the de Ruiter and Beringen method, the French Central Bridge and Pavement Laboratory (LCPC) method, and the Tumay and Fakhroo method. An evaluation scheme was performed using these methods to assess their capability to reliably predict the axial compression capacity of piles installed in soft Louisiana soils. The predicted pile capacities obtained by the different methods were compared with the measured pile capacities obtained from pile load tests. Analysis of the results showed that the Schmertmann, de Ruiter and Beringen, and Tumay and Fakhroo methods predicted the ultimate compression capacities of piles installed in soft Louisiana soils with a reasonable accuracy. The LCPC method underpredicted the measured capacities of these piles. |
| 总页数： | Transportation Research Record. 1999. (1675) pp32-39 (14 Fig., 2 Tab., 7 Ref.) |
| 报告类型： | 科技报告 |
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