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Improvement of swelling chlorite soil using sodium silicate alkali activator
Ain Shams Engineering Journal ( IF 6 ) Pub Date : 2021-01-22 , DOI: 10.1016/j.asej.2020.10.019
Ahmed S. Elmannaey , Hala E.E. Fouad , Youssef G. Youssef

Construction on swelling soil represents a challenge to geotechnical engineers. Sodium silicate is usually offered to improve soil quality but with other chemicals; however, its sole effect on soil characteristics is still questionable. Thus, the main objective of this paper is to test the feasibility of depending on only sodium silicate in stabilizing swelling soil. To reach results, an expansive chlorite sample was tested in lab. The effect of the stabilizer ratio on its mechanical characteristics, consistency and mineralogy were all assessed directly after extraction and at three months age. Also, the durability of the highest strength sample was monitored during the testing period. The major findings were that although the durability of the sample was found to be of limited age, the use of sodium silicate with no other additives -by a ratio of 10%- was successful in boosting soil mechanical aspects and eliminating its swelling potential with time.



中文翻译:

硅酸钠碱活化剂改良膨胀绿泥石土

在膨胀土上施工对岩土工程师来说是一个挑战。硅酸钠通常用于改善土壤质量,但与其他化学品一起使用;然而,它对土壤特性的唯一影响仍然值得怀疑。因此,本文的主要目的是测试仅依靠硅酸钠稳定膨胀土的可行性。为了获得结果,在实验室中测试了膨胀的亚氯酸盐样品。稳定剂比例对其机械特性、稠度和矿物学的影响均在提取后和三个月龄时直接评估。此外,在测试期间监测最高强度样品的耐久性。主要发现是,虽然发现样品的耐用性有限,

更新日期:2021-01-22
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