| Based on the engineering properties of poor anti-freeze performance of the solidified soil and led to decline the engineering life, adopted the orthogonal experimental design method, has researched the quality loss rate and strength loss rate for the soil which blended polyester fiber and stabilizer after freeze-thaw cycle. The research obtained that: When the MBER soil stabilizer content was 9%, the quality loss rate after 10 cycles was more than 5%, when the stabilizer content wais 11% or higher, the quality loss rate after 20 cycles was less than 5%. But the fiber content had a small impact of the quality loss rate. When the stabilizer content was 13% and the fiber content was
0.8 kg·m-3, the strength loss rate has reached 28.51% which was the minimum. These results showed that: The stabilizer content had a large impact to the quality loss rate and strength loss rate, fiber content only had a certain impact to the intensity loss rate. |