分段空场嗣后充填法人工矿柱多源信息融合稳定性评价模型
张泽群,钟文,杨华泽,周伶杰,林圣杰,毛基腾,赵奎

Stability Evaluation Model for Multi-source Information Fusion of Artificial Pillar Using Segmented Open Stoping with Subsequent Filling Method
Zequn ZHANG,Wen ZHONG,Huaze YANG,Lingjie ZHOU,Shengjie LIN,Jiteng MAO,Kui ZHAO
表3 岩体质量因素分级标准
Table 3 Classification standards for rock mass quality factors
等级岩体质量因素(F2
RQD值(F21岩体强度(F22)/MPa结构面张开形状(专家赋值)(F23结构面粗糙度(F24
Ⅰ稳定(1)80~100125~250闭合0.8~1.2
Ⅱ基本稳定(2)60~8085~125微开充填0.6~0.8
Ⅲ临界(3)40~6065~85微开未充填0.4~0.6
Ⅳ不稳定(4)20~4035~65微张0.2~0.4
Ⅴ极不稳定(5)0~200~35张开0~0.2