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中文摘要：
为了查明层状硅酸盐绿泥石、绢云母对西昌钒钛钢铁新基地工程区昔格达组粘土塑性指数IP的影响,本文对工程区昔格达组粘土样品的矿物成分、化学成分及塑性指数进行了对比分析,并用一定粒径的市购石英粉末与绿泥石、绢云母、蒙脱石等矿物粉末按比例混合进行室内试验测定其阿太堡界限,对试验结果进行塑性分析,并运用最小二乘法原理对塑性指数与液限之间的关系进行了线性回归分析。研究结果还表明,绿泥石及绢云母含量均与工程区昔格达组粘土的塑性指数存在线性关系。
英文摘要：
In order to find out the impact of the layered silicate chlorite and sericite on the plasticity index of Xigeda formation clay in the engineering area of the vanadium and titanium steel base in Xichang, the mineral composition, chemical composition and plasticity index of Xigeda clay samples from the engineering area are analyzed. The certain particle size of quartz powder purchased is mixed with the chlorite, sericite, montmorillonite mineral powders in the proper proportion, and the Atterberg limits are determined by the laboratory tests. The test results are analyzed by using the plastic charts, and the least squares principle of linear regression is applied. The study shows that there is the obvious linear relationship between the content of chlorite, sericite and the plasticity index of Xigeda formation clay in the engineering area.
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