Abstract
It is not always possible to achieve the required characteristics of soils that would provide the necessary durability and strength during the operation of automobile roads. In this regard, the technology of soil reinforcement with lime, which allows to improve significantly the characteristics of the soil, is widely practiced. The paper presents the results of experimental studies. They are aimed at studying the peculiarities of lime impact on sand characteristics and time of soil holding at optimum humidity in sealed packages. The paper shows that the introduction of 5% lime helps to increase the optimum moisture content of sand by 1% and provides a 5% increase in the skeletal density of the soil-lime mixture compared to unstrengthened soil. The optimum curing time for fine sand strengthened with lime is 2 h. The results obtained open a wide range of possibilities for further research on soil strengthening for road construction.
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