标题：Effect of particle gradation on properties of fresh and hardened cemented paste backfill作者：Ke, Xing; Hou, Haobo; Zhou, Min; Wang, Yan; Zhou, Xian

来源出版物：CONSTRUCTION AND BUILDING MATERIALS 卷：96 页：378-382 DOI：10.1016/j.conbuildmat.2015.08.057 出版年：OCT 15 2015

摘要：The purpose of this study is to assess the influences of the gradation of tailings on the qualities of coarse tailings used for cemented paste backfill (CPB). Two reference mixtures of tailings (T and W) with CPB and four blended mixtures of tailings with CPB with T/W ratios (the weight ratio of tailings T and W) of 8/2, 6/4, 4/6, and 2/8 were prepared. The moisture content in hardened CPB generally increased as the tailings fineness increased. The relationship among tailings fineness, packing density and unconfined compressive strength (UCS) is discussed. As the tailings fineness increased, the flowability value decreased.

入藏号：WOS:000361402700042

文献类型：Article

语种：English

作者关键词：Mixture proportioning, Workability, Particle size distribution, Compressive strength, Total water porosity

扩展关键词：SELF-COMPACTING CONCRETE; LONG-TERM STRENGTH; RICH MILL TAILINGS; PACKING DENSITY; PORE STRUCTURE; FLY-ASH; TEMPERATURE; FLOWABILITY; AGGREGATE; SULFATE

通讯作者地址：Ke, Xing; Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

电子邮件地址：kx0420@sina.com

地址： [Ke, Xing; Hou, Haobo; Zhou, Min; Wang, Yan; Zhou, Xian] Wuhan Univ, Sch Resource & Environm Sci, Wuhan 430072, Peoples R China.

研究方向：Construction & Building Technology; Engineering; Materials Science

ISSN：0950-0618

eISSN：1879-0526

影响因子（2014）：2.296