Experimental Study on Lime-Treated Waste Soil Based on Water Transfer Mechanism
| Autor: | Du Jiarui, Nan Zhang, Fanlu Min, Ma Jiawei, Hangbiao Song, Dengfeng Wang |
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| Rok vydání: | 2021 |
| Předmět: |
0211 other engineering and technologies
Environmental engineering 02 engineering and technology Atterberg limits engineering.material complex mixtures Soil plasticity Water transfer 021105 building & construction Soil water Free water engineering Environmental science Bound water Resource utilization 021101 geological & geomatics engineering Civil and Structural Engineering Lime |
| Zdroj: | KSCE Journal of Civil Engineering. 25:1645-1652 |
| ISSN: | 1976-3808 1226-7988 |
| DOI: | 10.1007/s12205-021-1081-y |
| Popis: | A large amount of waste soil (mud) is being produced from the construction of civil and infrastructures. As a result, resource utilization of the waste soil has become even more important in geotechnical engineering community. This study quantitatively investigates the underlying modification mechanism of lime-treated waste soil based on water transfer mechanism. Content of different types of water was first measured, and content of each hydration product and the Atterberg limits of soils before and after the lime treatment were then analyzed. It is found the mechanism of lime treatment is to transfer free water with low potential energy to bound water and hydration water with high potential energy. In addition, the formation of hydrates gel mainly improves soil plasticity by affecting the limit of soil plasticity. The hydration water can be used to evaluate the effectiveness of treatment and the growth potential. |
| Databáze: | OpenAIRE |
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