Factors Affecting Self Compacting Concrete Compressive Strength | ||||
| Journal of Advanced Engineering Trends | ||||
| Volume 43, Issue 2, June 2024, Page 125-142 PDF (1.25 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jaet.2022.171348.1231 | ||||
 View on SCiNiTO | ||||
| Author | ||||
lamiaa eied sadek  
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| October high institute | ||||
| Abstract | ||||
| The primary goal of this research is to investigate the effects of utilizing three kinds of cement (CEM I 52.5, SRC 42.5, and CEM III 42.5), Natural dolomite aggregate was also used from three different quarries, adding silica fume with two different percentages on the strength of self-compacting concrete. Nineteen concrete specimens were prepared using various cement types, crushed stone, and with or without silica fume. X-ray diffraction and petrographical studies were carried out on the three types of dolomite to clarify the composition difference between them. To regulate the new mixes for self-compacting concrete, a slump flow test was performed. Compressive strength was the mechanical feature that was tested. The compression test was conducted on hardened self-compacting concretes after water curing for 28, 180, and 365 days. Results showed that the best behavior of natural dolomite was type1. While when adding silica fume based on the results, it was observed that CEMIII42.5 recorded an increase in compressive strength compared to CEM | ||||
| Keywords | ||||
| Petrographical studies; Dolomite Type; Cement type; Silica fume; X-ray diffraction | ||||
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