MECHANICAL PROPERTIES OF HIGH-PERFORMANCE CONCRETE PRODUCED IN SUDAN

Attaalmanan Ismail, Muram Mohammed, Mogtaba Alsaaied, Mojahid Eljili

Abstract


High Performance Concrete (HPC) is widely used in construction industry worldwide. This paper is aim to produce HPC in Sudan, using materials which are available at local markets. Different trial mixes are used to obtain a
compressive strength exceeding 80 MPa. Research includes use of mineral admixture (silica fume) and Aggregates(Crushed stone and quartz sand).
Effect of different level of silica fume replacement of cement by 0, 15, 20 and 30% on main properties of HPC, i.e., compressive strength, density and slump were investigated. Test results revealed that it is possible to produce HPC in
Sudan, with compressive strength in excess of 80 MPa using materials which are available at local markets, if carefully selected and mixed in such a way as to give optimum distribution of granules. Optimum percentage of silica fume
necessary for producing HPC is about 20 % of cement weigh.

Keywords


Silica fume; High Performance Concrete; Compacting Concrete

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References


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