科技创新与应用2024，Vol.14Issue(29)：86-89,93,5.DOI:10.19981/j.CN23-1581/G3.2024.29.018
基于煤矸石混凝土正交试验的试验研究
摘要
Abstract
At present,coal gangue is one of the industrial wastes with the largest annual discharge and cumulative stock in China.Studies from some literature have found that after pulverizing coal gangue,coal gangue can partially or completely replace clay components to produce ordinary cement.This study takes calcined coal gangue powder and non-calcined coal gangue powder as the research object,and uses coal gangue to replace part of cement in concrete to study the compressive strength of concrete.Through orthogonal experiment,it is found that the activity of calcined coal gangue powder is greater than that of uncalcined coal gangue powder,and the best replacement range of calcined coal gangue instead of cement is roughly between 20%and 35%.The best replacement range of uncalcined coal gangue for cement is roughly between 15%and 30%.This research result realizes the reuse of coal gangue and has the important significance of environmental protection and resource saving.关键词
煤矸石粉/水泥/活性/替代率/抗压强度Key words
coal gangue powder/cement/activity/substitution rate/compressive strength分类
矿业与冶金引用本文复制引用
邬恒,田俊,吕郝悦,田磊,张浩,于永军..基于煤矸石混凝土正交试验的试验研究[J].科技创新与应用,2024,14(29):86-89,93,5.基金项目
内蒙古教育厅(202214532015) （202214532015）
鄂尔多斯应用技术学院院士工作站开放项目(2021OITYSZJGZZ-005) （2021OITYSZJGZZ-005）
鄂尔多斯应用技术学院校级项目(202314532029) （202314532029）
