利用凝灰岩和石灰岩砂最大限度减少干旱地区路面施工的耗水量

IF 1.1 Q3 ENGINEERING, CIVIL
A. Mammeri, M. Lallam, Salah Eddine Guellati, Mohsen Shamsaei
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引用次数: 0

摘要

摘要 土壤压实度是道路建设工程的一个重要参数。因为材料和土壤压实对道路的稳定性和耐久性起着重要作用。考虑到干旱地区的经济和人口,本研究重点关注这些地区水资源相关问题的重要性。为此,我们使用了贝加尔(阿尔及利亚)当地的材料来加强道路建设过程。因此,研究了凝灰岩和石灰岩砂(LS)材料的组合,以尽量减少道路建设压实用水量。通过 Proctor 和加州承载比(CBR)测试,对不同的组合(包括 100% 凝灰岩、80% 凝灰岩和 20% 石灰岩砂、70% 凝灰岩和 30% 石灰岩砂以及 60% 凝灰岩和 40% 石灰岩砂)进行了评估。试验结果表明,与本研究中其他凝灰岩和石灰岩砂的组合相比,使用 60% 凝灰岩和 40% 石灰岩砂的含水量最低,仅为 10.5%,这将有利于缺水的干旱地区。最佳混合物中还添加了三种不同比例的石灰(1%、2% 和 3%)。但结果表明,添加这种材料对机械性能没有明显影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using Tuff and Limestone Sand to Minimize Water Consumption of Pavement Construction in Arid Regions
Abstract Soil compaction is a significant parameter for road construction projects. Since materials and soil compaction play important roles in the stability and durability of roads. This study focuses on the importance of the problems related to water resources in arid regions, considering both the economy and the population in these areas. For this reason, the local materials in Bechar (Algeria) were used to enhance the road construction process. Hence, using the combination of tuff and limestone sand (LS) materials to minimize the amount of water for the road construction compaction is investigated. Different combinations, including 100% tuff, 80% tuff and 20% limestone sand, 70% tuff and 30% limestone sand, and 60% tuff and 40% limestone sand, were evaluated with the Proctor and California Bearing Ratio (CBR) tests. The test results showed that using 60% tuff and 40% limestone sand resulted in the minimum water content of 10.5% compared to other combinations of tuff and limestone sand of this study, and it will be beneficial in arid regions where there is a water shortage. Three different percentages of lime (1%,2%, and 3%) were also added to the optimum mixture. However, the results showed that adding this material has no significant mechanical effects.
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来源期刊
CiteScore
2.00
自引率
58.30%
发文量
69
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