the influences of iron ore tailings as fine aggregate on the strength of ultra-high performance concrete

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ID: 135114
2015
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Abstract
The present study looks for the feasibility of preparing UHPC with iron ore tailings (IOT for short) as fine aggregate. To enhance outstanding high performances, some influences on UHPC mortars were investigated such as different kinds of sands, different mix ratio of sands, and different largest particle size of fine aggregate. The results show that IOT have negligible poorer aggregate performance than silica sands but better than river sands. The strength of UHPC reaches the highest point when silica sands were instead 60% by IOT. As the largest particle size of fine aggregate is decreasing, the strength and frost resistance of UHPC were improved, but the liquidity was decreased. Micropowder of IOT affects the strength and the optimal content was 4%.
Reference Key
zhu2015advancesthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Zhigang Zhu;Beixing Li;Mingkai Zhou
Journal bulletin of the korean chemical society
Year 2015
DOI
10.1155/2015/412878
URL
http://dx.doi.org/10.1155/2015/412878
Keywords
materials of engineering and construction mechanics of materials

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