Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study on the Cementitious Proportion of Cemented Mine Tailings
The cementation technology to deal with the mine tailings is adding cementation material and then dehydrating tailings and piling on suitable spot. In order to find the law of the mixing ratio of the cementitious material of the mine tailings of Xishimen Iron Mine, Portland cement and cementitious material A are selected to be compared in the experiment of strength test of cementation of the mine tailings of Xishimen Iron Mine. The result shows that both kinds of cementitious materials can meet the needs when the mixing ratio is 2-3%, but the cementation performance of material A is better than Portland cement. The experiment of adding admixture to improve the cementation performance of material A is carried and the result shows that Na2CO3 and KAl(SO4)2·12H2O can improve the strength of cemented whole tailings while Na2SO4, CaSO4 and Na2SiO3is helpless to improve the strength.
Study on the Cementitious Proportion of Cemented Mine Tailings
The cementation technology to deal with the mine tailings is adding cementation material and then dehydrating tailings and piling on suitable spot. In order to find the law of the mixing ratio of the cementitious material of the mine tailings of Xishimen Iron Mine, Portland cement and cementitious material A are selected to be compared in the experiment of strength test of cementation of the mine tailings of Xishimen Iron Mine. The result shows that both kinds of cementitious materials can meet the needs when the mixing ratio is 2-3%, but the cementation performance of material A is better than Portland cement. The experiment of adding admixture to improve the cementation performance of material A is carried and the result shows that Na2CO3 and KAl(SO4)2·12H2O can improve the strength of cemented whole tailings while Na2SO4, CaSO4 and Na2SiO3is helpless to improve the strength.
Study on the Cementitious Proportion of Cemented Mine Tailings
Hou, Yun-Bing (Autor:in) / Peng, Bo (Autor:in) / Wang, Bing-wen (Autor:in) / Yu, Hui (Autor:in) / Kong, Xin-Jie (Autor:in) / Kong, Ling-Gen (Autor:in)
2013
4 Seiten
Aufsatz (Konferenz)
Englisch
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