As observed, the coefficient of compressibility a of mixed soil samples of loess and burnt rock particles showed a decreasing trend with the increase of burnt rock particle content, suggesting that as the content of burnt rock particles increased, the coefficient of compressibility a of mixed soil samples of loess and burnt rock particles decreases gradually.
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Experimental study on basic engineering properties of loess improved by burnt rock.
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The sentences
The results showed that as the burnt rock-solid waste particle content continued to increase, the void ratio and compressibility coefficient of the samples with different ranges of burnt rock-solid waste particles gradually decreased with rising vertical pressure, while the compressive modulus increased first, then reduced and then increased with the increase of vertical pressure; the shear strength indexes all showed an increasing trend with the increased content of burnt rock-solid waste particles; when the content of burnt rock-solid waste particles was 50%, the compressibility of mixed soil was the lowest, the shear strength was the largest, and the compaction effect and shear resistance were the best.