The Experimental Study on the Optimal Ratio of Added Lime in Expansive Soil of He-Xu Expressway
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摘要: 对石灰改善膨胀土的胀缩性、增强土的强度作了试验研究,得出了掺灰率与强度的关系。提出在膨胀土地区路基处理过程中,对不同路段应确定相应的最优掺灰率的思路,对路基工程建设有一定的参考价值。Abstract: Researching on the characteristics of expansion and shrinkage of expansive soil modified by lime,the increment of strength of lime treat soil.The relation of ratio of added lime and unconfined compressive strength is obtained.The idea that during the construction of subegrade through expansive-soil area different optimal ratios of added lime should be ascertained respectively in different segments is proposed.It will be beneficial to subgrade consruction.
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