Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2768

Full Length Research Paper

The effects of scoria and pumice aggregates on the strengths and unit weights of lightweight concrete

A. Kılıç1, C. D. AtiÅŸ2*, A. Teymen1, O. Karahan2 and Kamuran Arı2
  1Department of Mining Engineering, Cukurova University, 01330, Adana, Turkey. 2Department of Civil Engineering, Erciyes University, 38039, Kayseri, Turkey.
Email: [email protected]

  •  Accepted: 04 August 2009
  •  Published: 31 October 2009

Abstract

 

This study examines the influence of aggregate types on the unit weight and strength characteristics of lightweight concretes (LWC). In this study, a scoria aggregate light weight concrete (SLWC), a pumice aggregate light weight concrete (PLWC) and three scoria-pumice commixture aggregate light weight concretes (SPLWC-I, SPLWC-II and SPLWC-III) were produced. Average dry unit weights of SLWC, SPLWC-I, SPLWC-II, SPLWC-III and PLWC mixtures were 1997, 1696, 1638, 1477, 1368, kg/m3, respectively. Compressive and flexural tensile strength and unit weight of concrete were determined at 28 days. SLWC, SPLWC-I, SPLWC-II, SPLWC-III and PLWC mixtures developed 44.1, 30.5, 27.6, 23.3, 15.8 MPa compressive strength, respectively, which satisfy the load bearing requirements. In terms of strength and unit weight requirements, all concrete produced can be classified as well as used as a LWC.

 

Key words: Scoria, pumice, light weight concrete, unit weight, compressive strength.

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