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Effects of limestone and super-plasticizer on the fresh properties of self-compacting concrete

Ede, A. N. and Adegbite, Adefemi Adetunji (2014) Effects of limestone and super-plasticizer on the fresh properties of self-compacting concrete. Civil and Environmental Research , 6 (2). ISSN ISSN 2224-5790 (Paper) ISSN 2225-0514 (Online)

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The free flow ability of fresh self-compacting concrete (SCC), capable of overcoming obstacles and penetrating into difficult joints is one of the special properties that differentiate SCC from normal concrete. It can then be rightly said that the fresh property of self compacting concrete (SCC) is the most important factor that distinguishes SCC from conventional concrete. Due to the importance of this property to the overall performance of self-compacting concrete, the tests of fresh SCC must be gotten right since any mistake will compromise the essence of recurring to SCC in place of normal concrete. This research attempts to enhance the flow-ability of SCC via replacement of cement with varying dosage of limestone and super-plasticizer. To validate the improvement of SCC fresh properties, slump test is used to assess workability, L-box test for passing ability and V-funnel test for filling ability. Test results analyzed with statistical tools confirmed that the workability and rheological properties of self-compacting concrete can be improved through the adoption of various dosages of limestone powder

Item Type: Article
Uncontrolled Keywords: Self-Compacting Concrete, Limestone powder, Fresh properties
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment
Depositing User: Mrs Patricia Nwokealisi
Date Deposited: 07 Sep 2016 10:47
Last Modified: 07 Sep 2016 10:47

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