开发基于铁矿石尾矿的木混凝土复合面板
Carolina Rezende Pinto Narciso1, Nayra Diniz Nogueira1, Juliana Farinassi Mendes2
1Federal University of Lavras, Lavras, 37200-900, Rua Aquenta Sol, Lavras, MG, 37200-900, Brazil.
Environmental science and pollution research international
|October 26, 2023
概括
采矿废物可以在不损害机械或物理性能的情况下取代水泥板中的高达40%的水泥. 这种可持续的方法符合行业标准的耐用性和性能.
科学领域:
- 材料科学 材料科学 材料科学
- 建筑材料工程工程 建筑材料工程
- 可持续材料 可持续材料
背景情况:
- 水泥生产对环境产生重大影响.
- 开发可持续的建筑材料替代品至关重要.
- 采矿废物为材料替代提供了潜在的资源.
研究的目的:
- 评估将采矿废物纳入水泥木面板的影响.
- 评估这些复合材料的机械,物理,热和微观结构性质.
- 确定使用采矿废物作为部分水泥替代品的可行性.
主要方法:
- 水泥被采矿废物取代了10%,20%,30%,40%的百分比.
- 皮努斯·奥卡帕木材颗粒 (化学,解剖学,物理) 和采矿废物 (颗粒度,化学成分,抑制指数) 的表征.
- 复合材料属性的评估:物理机械,X射线衍射,红外光谱,微观结构,热和耐用性 (加速老化).
主要成果:
- 所有经过测试的采矿废弃物替代的水泥木板都符合比森标准对破裂模量 (MOR) 和弹性模量 (MOE) 的要求.
- 对于静态曲和内部粘合的性能标准得到了满足,即使在加速老化后.
- 该研究证实了用矿山废物取代高达40%的水泥的可行性.
结论:
- 从技术上来说,在工业规模上生产水泥木板是可行的,使用高达40%的采矿废物作为水泥替代品.
- 这种采矿废物的利用为建筑材料提供了一个可持续的途径.
- 由此产生的面板具有令人满意的机械和物理性能,符合行业标准.
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