施加载荷对全尾砂胶结充填体强度影响的试验研究  

Experimental study of loading impact on the strength of cemented whole tailings backfilling body

作　　者：王莉[1] 明世祥[1] 王通潮 张小庆[1] 

机构地区：[1]北京科技大学土木与环境工程学院,北京100083

出　　处：《有色金属（矿山部分）》2016年第1期57-60,共4页NONFERROUS METALS(Mining Section）

摘　　要：对充填体强度的研究大都停留在充填料成分上,很少采用物理方法改变强度的试验研究。针对港里铁矿全尾砂普遍偏细、含泥量大的特点,对充填料进行施加载荷试验。试验表明,加载全尾砂充填料可以提升其抗压强度,并与施加载荷大小成正比。另外,加载对于提高充填体早期强度效果尤为明显。Most of the researches on the strength of backfilling body only stay on filling ingredients and the physical methods are rarely used to promote the strength. Aiming at the features that the whole railings in Gangli Iron Mine are fine and have high proportion of clay, the loading experiment is conducted on backfilling material. The test shows that it can promote compressive strength by loading on backfilling material and the compressive strength is proportional to the magnitude of loading. In addition, it is more effective to improve the early strength of backfilling body by loading.

关 键 词：全尾砂 高泥 施加载荷 抗压强度 

分 类 号：TD315[矿业工程—矿井建设]