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Influence of bamboo fiber and limestone powder on the properties of self-compacting concrete

Ede, A. N. and Olofinnade, O. M. and Joshua, Opeyemi and Nduka, David and Oshogbunu, O (2020) Influence of bamboo fiber and limestone powder on the properties of self-compacting concrete. Cogent Engineering. ISSN 4: 1376488

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This paper examines the effect of combined bamboo fibers and limestone powder used as filler material on the fresh, hardened and microstructural properties of self-compacting concrete (SCC). The bamboo fibers of aspect ratio (l/d) of 50 and a maximum length of 50 mm was varied in steps of 0.25%, 0.5%, 0.75% and 1% in the SCC mix. While 10% of limestone powder was added as a filler in each of the SCC mix. The workability of the mix was assessed by slump flow test and V-funnel test, while the mechanical properties were assessed by considering the compressive and split tensile strength test after 7, 14 and 28 curing age. All concrete mixes were carried out by following the European Federation for Specialist Construction Chemicals and Concrete (EFNARC) standard, while the microstructure of selected samples was assessed using the Scanning Electron Microscopy (SEM). Test results indicate that fiber addition influences the fresh properties of SCC. Moreover, it was observed that SCC mix containing with fiber content of 0.75% and 0.5% with the inclusion of 10% limestone powder achieved the highest compressive and split tensile strength values of 28.04 MPa and 3.26 MPa, respectively. The result showed

Item Type: Article
Uncontrolled Keywords: bamboo fiber; limestone powder; self-compacting concrete; flow-ability; compressive strength; tensile strength; scanning electron microscopy
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: Mrs Patricia Nwokealisi
Date Deposited: 01 Apr 2020 10:49
Last Modified: 01 Apr 2020 10:49

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