International Journal of Earth Sciences and Engineering

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Based on the improved consolidometer and triaxial apparatus, this paper conducted a consolidation and compression test and a triaxial consolidation drainage test of the undisturbed loess Q3 to get experimental data on loess strength characteristics and stress-strain. An analysis of experimental data found that, when vertical pressure is added under different lateral confining pressures, there exist correlations between loess shear strength and loess stress-strain, which shows some changes rules. Then, loess microstructure and deformation mechanisms are analyzed to establish the function relation of strength characteristic indexes to water content and compression modulus respectively. Collectively, this paper has provided a complement to basic research on loess and developed the engineering mechanics theories in loess engineering construction.

Keywords

Loess, Structure, Strength Characteristics, Stress-Strain and Function.
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