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Utilization of powdered glass in lime-stabilized clayey soil with sea water
Environmental Earth Sciences ( IF 2.8 ) Pub Date : 2020-09-22 , DOI: 10.1007/s12665-020-09195-w
Gamze Bilgen

The waste glass is one of the huge volume construction and demolition (C&D) debris and using it in the construction, significantly reduces the area required for the storage and contributes to the conservation of natural resources while reducing the carbon footprint. In the light of these data, the answer to the question of whether glass powder could be considered as a stabilizing additive with sea water in lime-stabilized clayey soil so that clayey soil could be used in road pavement and embankment construction has been investigated. A series of experimental studies conducted to determine the effect of additives on the geotechnical properties of the clayey soil such as moisture-density relationships, strength, and consistency. The samples were prepared by blending 5% lime and different percentages of powdered glass such as 10%, 20% and 25% with three different clayey soil that were used as subgrade soil. The results of the tests indicate that powdered glass, sea water and clayey soils are very compatible to react with each other and additives improve geotechnical properties of clayey soils in a way so that it decreases plasticity index and increases workability of clayey soils. In addition, the additives increase California bearing ratio and unconfined compressive strength of clayey soils up to ten times depending on usage rates.



中文翻译:

粉状玻璃在海水中石灰稳定的粘土土壤中的利用

废玻璃是大量建筑和拆除(C&D)碎片之一,在建筑中使用它可以大大减少存储所需的面积,并有助于在减少碳足迹的同时保护自然资源。根据这些数据,对以下问题的答案进行了研究:是否可以将玻璃粉作为石灰稳定的黏土中的海水的稳定添加剂,以便研究将黏土用于路面和路堤的施工。进行了一系列实验研究,以确定添加剂对黏性土的土工特性的影响,例如水分-密度关系,强度和稠度。通过将5%的石灰和不同百分比的粉末玻璃(例如10%,20%和25%的三种不同黏土被用作路基土壤。测试结果表明,粉状玻璃,海水和黏性土彼此之间具有很好的相容性,可以相互反应,并且添加剂以某种方式改善了黏性土的岩土性能,从而降低了可塑性指数并增加了黏性土的可加工性。此外,根据使用量的不同,添加剂可将加利福尼亚州的承重比和黏性土壤的无侧限抗压强度提高十倍。

更新日期:2020-09-22
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