CAJ | 학술논문

在充填开采中，利用注浆矸石粉煤灰混合充填材料可以解决原有矸石粉煤灰混合充填材料空隙率高、压缩率大且强度不高的问题。同时，利用废弃矸石和电厂粉煤灰，能减少地表污染，获取巨大的经济效益和生态效益。研究不同配比注浆矸石粉煤灰混合充填材料不同养护龄期下抗剪强度机理变化规律，发现注浆矸石粉煤灰混合材料配比为1∶0．3时抗剪强度相对较大。提出注浆矸石粉煤灰混合充填材料配比与龄期的建议值，在此基础上结合实际情况，选取最优养护龄期进行开采施工，可实现采矿效益的最大化。
재충전개채중，이용주장안석분매회혼합충전재료가이해결원유안석분매회혼합충전재료공극솔고、압축솔대차강도불고적문제。동시，이용폐기안석화전엄분매회，능감소지표오염，획취거대적경제효익화생태효익。연구불동배비주장안석분매회혼합충전재료불동양호령기하항전강도궤리변화규률，발현주장안석분매회혼합재료배비위1∶0．3시항전강도상대교대。제출주장안석분매회혼합충전재료배비여령기적건의치，재차기출상결합실제정황，선취최우양호령기진행개채시공，가실현채광효익적최대화。
In filling mining ,using grouting gangue fly ash mixed filling material can solve the problem of the original gangue fly ash mixed filling materials with high porosity ,high compression ratio and low intensity and get huge economic and ecological benefits .At the same time ,using waste gangue and fly ash can reduce surface contamination and protect environmental research on variation laws of shear strength mechanism of different ratios of grouting gangue fly ash mixed filling material in different curing periods .It is found that the shear strength of grouting gangue fly ash mixture is relatively large with ratio of 1 :0 .3 .The Recommendation value of ratio and curing period of grouting gangue fly ash mixed filling materials are put forward ,and on this basis ,combining the actual sit‐uation ,we select the optimal curing period to mine construction ,can maximize the benefits of the mining .