Experiment on the Law of Strength Increasing of Ultrafine Tailings Filling Body

Modern Mining ›› 2014, Vol. 30 ›› Issue (07): 10-13.

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Experiment on the Law of Strength Increasing of Ultrafine Tailings Filling Body

Ge Haiyuan1,2，Chen Chao1,2，Li Hongbao1,2，Wang Sen1,2，Zhou Jian1,2，Jing Boxiang1,2

1.College of Mineral Engineering,Hebei United University；2.Hebei Province Key Laboratory of Mining Development and Safety Technique

Online:2014-07-15 Published:2015-08-18

Abstract

Abstract: Taking the ultrafine tailings backfilling materials of the eastern part of Hebei province as an example,the physical simulation experiment method is adopted to solve the problems of ultrafine tailings backfilling cemented filling.Relationships between the parameters of the structural components,materials ratio,filling backfilling materials concentration of ultrafine tailings and the strength of filling body are analyzed based on uniform experiments.Therefore,the mechanical properties and its change law of ultrafine tailings filling body are revealed.

Key words: Ultrafine tailings, Filling body, Strength

GE Hai-Yuan, CHEN Chao, LI Hong-Bao, WANG Sen, ZHOU Jian, JING Bo-Xiang. Experiment on the Law of Strength Increasing of Ultrafine Tailings Filling Body[J]. Modern Mining, 2014, 30(07): 10-13.

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