粘土土的稳定使用粉和粉灰
Alaa Fawaz1, Ghida Alhakim1, Lina Jaber1
1Department of Civil Engineering, Beirut Arab University, Beirut, Lebanon.
Environmental technology
|January 18, 2024
概括
原料粉 (SD) 是比粉灰 (SDA) 更有效的土壤稳定剂,显著提高了土壤承载能力. 与灰相比,使用原始粉减少了对环境的影响.
科学领域:
- 地质技术工程 地质技术工程
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 使用废料稳定土壤,增强工程性能.
- 粉和粉灰是潜在的环保添加剂.
- 减少垃圾焚烧和空气污染是一个环境问题.
研究的目的:
- 为了比较原始粉 (SD) 与粉灰 (SDA) 作为土壤稳定剂的有效性.
- 评估SD作为土壤处理中SDA的可持续替代品.
- 评估使用原始粉对环境的好处.
主要方法:
- 粘土土壤稳定了SD和SDA的不同百分比 (2-20%).
- 进行了标准的地质技术测试:阿特伯格极限测试,修改的普罗克特测试和直接切割测试.
- 分析了稳定和非稳定土壤的工程性能.
主要成果:
- SD和SDA都降低了塑性指数和最大干单位重量,同时增加了最佳的水分含量.
- 最佳的土壤稳定发生在SD和SDA的5%添加剂含量下.
- 原料粉 (SD) 与粉灰 (SDA) 相比,在土壤承载能力 (31.89%) 中表现出更高的增强.
结论:
- 原料粉 (SD) 是一个比粉灰 (SDA) 更有效的土壤稳定剂.
- SD提供了对土壤工程特性,特别是承载能力的卓越增强.
- 由于其有效性和减少对环境的影响,建议使用原始粉来稳定土壤.
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