Abstract
Luoyang remolded unsaturated loess samples under different natural moisture content were prepared, and then their dynamic strength was tested. The dynamic strength parameters of original loess were obtained when corresponding failure vibration frequency Nf was 10 and 20 times. According to dynamic strength parameters, the present research analyzed changing rules of dynamic strength parameters of remolded unsaturated loess with moisture content and failure vibration frequency. The paper further explores impact of natural moisture content and failure vibration frequency on unsaturated loess dynamic strength index in the region, and fits relationship curve between dynamic strength parameter of unsaturated remodeled loess and natural moisture content, thus propose mathematical expressions. It is shown from the results that there is an obvious linear relationship between dynamic internal friction angle and moisture content. When both dynamic cohesion and moisture content are logarithmized, they will present a good symbol linear relationship.
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