Study on the use of mining waste as raw material for extruded fiber cement production

被引:7
|
作者
Eugenio, Tony Matheus Carvalho [1 ]
Narciso, Carolina Rezende Pinto [1 ]
Fagundes, Jefferson Francisco [3 ]
Henriques, Andreia Bicalho [2 ]
Mendes, Rafael Farinassi [3 ]
机构
[1] Univ Fed Lavras, Grad Program Biomat Engn, BR-37200000 Lavras, MG, Brazil
[2] Fed Univ Minas Gerais UFMG, Sch Engn, Dept Min Engn, BR-31270901 Belo Horizonte, MG, Brazil
[3] Univ Fed Lavras, Dept Engn, BR-37200000 Lavras, MG, Brazil
来源
关键词
Sustainability; Iron ore tailing; Pozzolanic materials; Physical-mechanical properties; IRON-ORE TAILINGS; RICE HUSK ASH; REINFORCED CEMENT; NATURAL FIBER; FLY-ASH; MECHANICAL-PROPERTIES; COMPRESSIVE STRENGTH; ORGANOSOLV PULP; FINE AGGREGATE; DURABILITY;
D O I
10.1016/j.jobe.2022.105547
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study aimed to evaluate the effect of replacing agricultural limestone (AL) with mining waste (IOT) on the physical, mechanical, and durability properties of extruded fiber cement. The experimental results showed that replacing AL with IOT either improved or maintained the technological properties seen on conventional fiber cement, highlighting the 25% IOT formula-tions replacing AL. The 100% IOT formulations replacing AL showed the technical feasibility of use and may assist in reducing the amount of waste disposed of in containment dams and, consequently, the environmental disasters related to the ruptures of such dams.
引用
收藏
页数:22
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