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PREDICTION OF LATERAL LOAD RESPONSE FOR A PILE GROUP.
| 题名： | PREDICTION OF LATERAL LOAD RESPONSE FOR A PILE GROUP. |
| 作者： | Ruesta-PF; Townsend-FC |
| 关键词： | LATERAL-LOADS; PILE-GROUPS; CONCRETE-PILES; BRIDGE-FOUNDATIONS; IN-SITU-TESTS; TEST-RESULTS; P-Y-CURVES; COMPUTER-PROGRAMS; PREDICTIONS-; COMPARISONS-; DEFLECTION-; SOIL-STRUCTURE-INTERACTION |
| 摘要： | A full-scale lateral load test of a pile group consisting of 16 (4 by 4) prestressed 76-cm-square concrete piles was conducted at Roosevelt Bridge, Stuart, Florida, during the summer of 1996. Presented are (a) in situ test results, (b) various p-y curves from these tests, and (c) comparisons of various computer predictions (FLPIER, GROUP, and PIGR3D) using p-y curves tempered with results from a single-pile load test. From these comparisons, the best Class A prediction is made for the 16-pile group using FLPIER with nonlinear pile properties; p-y multipliers of 0.8, 0.4, 0.3, and 0.3 for the leading, middle, and trailing two rows, respectively; and dilatometer test-pressuremeter test p-y curves. This prediction suggests that an average load per pile of 280 kN will produce a deflection of 0.1 m (63 kips/pile at a deflection of 3.9 in.) for the test group. |
| 总页数： | Transportation Research Record. 1997. (1569) pp36-46 (10 Fig., 3 Tab., 14 Ref.) |
| 报告类型： | 科技报告 |
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