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Please use this identifier to cite or link to this item: http://hdl.handle.net/123456789/11345

Title: Comparative study of the physical properties of palm kernel shells concrete and normal weight concrete in Ghana
Authors: Acheampong, Alex
Ayarkwa, Joshua
Adom-Asamoah, Mark
Baiden, B.K.
Keywords: Agricultural waste
lightweight aggregates
palm kernel shells
density
compressive strength
Issue Date: 14-Mar-2016
Abstract: Concrete is one of the most widely used construction materials in the world. To ensure sustainability and a reduction in the cost of concrete, the use of renewable agricultural waste materials as aggregates becomes desirable. This paper presents results of a comparative study of the physical and compressive strength of palm kernel shell concrete (PKSC) and normal weight concrete (NWC) using Portland-limestone cement (class 32.5R) and Ordinary Portland Cement (OPC) herein called Ghacem Extra Cement(class 42.5N). Palm kernel shells were used as lightweight coarse aggregate in PKSC and granite was used as aggregates for the normal concrete. The study was conducted in accordance with the British Standards (BS 812, 1990; BS 1881, 1996).Two mixes of ratios 1:1.3:0.7 and 1:1.7:2.5 by weight were used in the study. The values obtained for water absorption, aggregate impact, aggregate crushing, specific gravity and Los Angeles abrasion, satisfy the minimum requirements of aggregates for structural concrete as specified in BS 882, 1992. The density of the PKSC was about 22% lower than that of the normal weight concrete for both cement types. Compressive strengths of both PKSC and normal weight concretes with Portland-limestone cement and Ghacem Extra cement evaluated at 7, 14 and 28-days showed that Ghacem Extra cement produced concretes of higher compressive strengths than Portland-limestone cement for PKSC and normal weight concrete. In general, the compressive strength of PKSC using Ghacem Extra cement compare well with those obtained from other materials used for structural lightweight concretes.
URI: http://hdl.handle.net/123456789/11345
Appears in Collections:College of Engineering

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