文献类型：期刊文献

英文题名：Experimental Study on the Fine Iron Ore Tailing Containing Gypsum as Backfill Material

作者：Deng, Daiqiang Cao, Guodong Zhang, Youxuan

第一作者：Deng, Daiqiang

通信作者：Cao, GD[1]

机构：[1]Xiangtan Univ, Coll Civil Engn & Mech, Xiangtan 411105, Peoples R China;[2]Guizhou Inst Technol, Coll Min Engn, Guiyang 550003, Guizhou, Peoples R China;[3]Changsha Inst Min Res, Changsha 410012, Peoples R China

第一机构：Xiangtan Univ, Coll Civil Engn & Mech, Xiangtan 411105, Peoples R China

通信机构：corresponding author), Xiangtan Univ, Coll Civil Engn & Mech, Xiangtan 411105, Peoples R China.

年份：2021

卷号：2021

外文期刊名：ADVANCES IN MATERIALS SCIENCE AND ENGINEERING

收录：;EI(收录号：20211710242608);Scopus(收录号：2-s2.0-85104458238);WOS:【SCI-EXPANDED(收录号:WOS:000641726600003)】；

基金：This work was supported by the NSFC Projects of China (51764009), the Guizhou Province Science and Technology Support Plan Project (Grant No. [2018]2836), the Provincial Natural Science Foundation of Hunan (2020JJ5538), the Scientific Research Fund of Hunan Province Education Department (20A475 and 19C1736), and the High-level Talent Gathering Project in Hunan Province (2019RS1059). The authors are grateful for the financial support for this research.

语种：英文

外文关键词：Binders - Cement industry - Compressive strength - Economic geology - Gypsum - Portland cement

摘要：The strength of the filling body is largely affected by the properties of the binder, mineral composition, fineness, and slurry concentration of tailing. In this paper, the rheological test was conducted to determine the slurry concentration of iron ore tailing containing gypsum. Then, the samples made from slurry and three binders, Portland cement, filling plant binder, and Huazhong binder, were tested, respectively. The effects of curing time, binder-tailing ratio by mass (b/t), and slurry concentration on compression strength were investigated. The sample made from Huazhong binder and iron ore tailing presented the largest compression strength.