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PEAK UNDRAINED RESISTANCE OF LOOSE SANDS.
| 题名： | PEAK UNDRAINED RESISTANCE OF LOOSE SANDS. |
| 作者： | Norris-G; Madhu-R; Ashour-M; Valceschini-R |
| 关键词： | SANDS-; SOIL-LIQUEFACTION; PEAK-UNDRAINED-RESISTANCE; CONFINING-PRESSURE; STRESS-CONDITIONS-SOIL; DEVIATOR-STRESS; VOLUMETRIC-STRAIN; TRIAXIAL-TESTS; STRESS-STRAIN-CURVES |
| 摘要： | The peak undrained resistance of a loose sand during liquefaction under monotonic loading does not necessarily occur on or near the Mohr Coulomb failure envelope. Instead, it occurs as that combination or product of a decreasing effective confining pressure and an increasing stress level. The condition in which this product is a maximum occurs at a particular point on a plot of the deviator stress versus volumetric strain as assessed from a drained triaxial test. A method is presented whereby a single drained test with volume change measurement can be used to assess this undrained peak. This is a refinement of a more complete effective stress method of liquefaction analysis that requires only drained triaxial testing. |
| 总页数： | Transportation Research Record. 1997. (1569) pp65-76 (13 Fig., 1 Tab., 3 Ref.) |
| 报告类型： | 科技报告 |
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