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首页> 外文期刊>International journal of geotechnical engineering >Resilient modulus of clayey subgrade soils treated with calcium carbide residue
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Resilient modulus of clayey subgrade soils treated with calcium carbide residue

机译：碳化物残留物处理克莱恩路基土壤的弹性模量

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摘要

Use of industrial by-products to improve subgrade soils in flexible pavements is gaining popularity as a sustainable construction practice. Calcium carbide residue (CCR) is a by-product of acetylene gas industry. In this paper, an attempt has been made to evaluate the influence of calcium carbide residue in improving the performance of clayey subgrade soils. The improvement in resilient modulus of two clayey soils (with low plasticity and high plasticity) with the addition of calcium carbide residue is studied by carrying out repeated load triaxial tests. The influence of variation in moisture content on the repeated loading behaviour of virgin soils and CCR stabilized soils is examined. Two regression models (Universal and NCHRP model) reported in literature are found to exhibit very good fit with the experimental data.
机译：使用工业副产品以改善柔性路面的路基土壤是越来越受欢迎的可持续建筑实践。碳化钙残留物（CCR）是乙炔气体工业的副产物。本文已经尝试评估碳化物残渣在提高粘土级污染物的性能方面的影响。通过进行重复的载荷三轴试验，研究了两种粘土土壤（具有低塑性和高塑性）的弹性模量（具有低塑性和高塑性）。研究了水分含量变化对原始土壤反复加载行为的影响及CCR稳定土壤。在文献中报告的两个回归模型（通用和NCHRP模型）被发现与实验数据相匹配非常合适。

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