Abstract
Some ancient sites in northwest China are exposed outdoors and damaged by rainwater erosion. To reduce the damage rate of the earthen sites, based on the principle of minimal intervention, the disintegration characteristics of compacted loess samples were improved by sticky rice solution. To analyze the effect of different concentrations of sticky rice solution on the disintegration characteristics of compacted samples, a series of disintegration experiments were carried out. The experiments results showed that the disintegration phenomenon had a significant inhibition in improved loess samples. The disintegration volume of unimproved samples was more lager than improved samples under the same time. The initial disintegration rate of improved samples was greatly reduced because of hydrophobic film formed by sticky rice solution in the surface. This paper showed that it was feasible to improve the disintegration characteristics of ancient site soil with sticky rice solution, which provided a theoretical basis for the application of sticky rice solution in the protection of earthen sites.
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