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| Structural parameters under triaxial testing conditions |
| College of Water Resources and Architectural Engineering, Northwest A ＆ F University, Yangling, Shaanxi 712100, China |
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Abstract The structural parameters under triaxial testing conditions were simplified to obtain secant modulus for representing the structural parameters. The solution in the numerical point of view can be obtained. Using principal strain as single variable, the new structural parameters model was established.The effect of active role on the loess structure was directly reflected by the proposed model, and the calculation of structural parameters was simplified.The triaxial test was carried out with the Liujiaxia loess from Gansu province to discuss the structural parameters. The test results show that the mechanical properties of loess are determined by its own structure, and the loess structure is always changed with external conditions of confining pressure and water content.
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2014, Vol. 35 
