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Effects of Bamboo Fibers and Limestone powder on fresh properties of Self-Compacting Concrete

Ede, A. N. and Oshogbunu, O and Olofinnade, O. M. and Jolayemi, Joshua and Oyebisi, S.O and Mark, Grace and Awoyera, P. O. Effects of Bamboo Fibers and Limestone powder on fresh properties of Self-Compacting Concrete. In: Interdependence between Structural Engineering and Construction Management.

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Self-compacting concrete (SCC) flows through densely steel reinforced elements and consolidates under self-weight without need for vibration or compaction. This helps in complex and densely reinforced structures. The integration of fibers and fillers in concrete improves its general properties. The addition of fibers in particular can regulate the flow and workability of the concrete; hence, the high workable nature of SCC can be an ideal mix for the incorporation of fibers. This research investigates the effect of bamboo fibers and limestone powder on the fresh properties of selfcompacting concrete. Bamboo fibers of an aspect ratio of 50 and varied volumes of 0.25%, 0.5%, 0.75% and 1% were adopted for this research. The workability of the mix was assessed by slump flow test and V- funnel test. For fiber volumes of 0.25%,0.5%, 0.75%, it was observed that the coarse aggregate was evenly distributed across the spread, indicating good viscosity and stability of the mix. The presence of 10% percent limestone powder improved the workability of the concrete mix. This can be attributed to filler properties of limestone powder, which, affecting the cement particle system, changed the ordinary distance between them and modified the water quantity available for the hydration process. These results proved that the bamboo fiber and limestone powder can be sustainably adopted to regulate the flow-ability of SCC without compromising desired properties.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Dr Oluwarotimi Michael Olofinnade
Date Deposited: 04 Jun 2019 09:44
Last Modified: 04 Jun 2019 09:44

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