Production of low cost self compacting concrete using bagasse ash

Tayyeb Akram, Shazim Ali Memon, Humayun Obaid

Research output: Contribution to journalArticle

74 Citations (Scopus)

Abstract

Self compacting concrete (SCC) is a development of conventional concrete, in which the use of vibrator for compaction is no more required. This property of self compacting concrete has made its use more attractive all over the world. But its initial higher supply cost over conventional concrete, has hindered its application to general construction. Therefore, for producing low cost SCC, it is prudent to look at the alternates to help reducing the SSC cost. This research is aimed at evaluating the usage of bagasse ash as viscosity modifying agent in SCC, and to study the relative costs of the materials used in SCC. In this research, the main variables are the proportion of bagasse ash, dosage of superplasticizer for flowability and water/binder ratio. The parameters kept constant are the amount of cement and water content. Test results substantiate the feasibility to develop low cost self compacting concrete using bagasse ash. In the fresh state of concrete, the different mixes of concrete have slump flow in the range of 333 mm to 815 mm, L-box ratio ranging from 0 to 1 and flow time ranging from 1.8 s to no flow (stucked). Out of twenty five different mixes, five mixes were found to satisfy the requirements suggested by European federation of national trade associations representing producers and applicators of specialist building products (EFNARC) guide for making self compacting concrete. The compressive strengths developed by the self compacting concrete mixes with bagasse ash at 28 days were comparable to the control concrete. Cost analysis showed that the cost of ingredients of specific self compacting concrete mix is 35.63% less than that of control concrete, both having compressive strength above 34 MPa.

Original languageEnglish
Pages (from-to)703-712
Number of pages10
JournalConstruction and Building Materials
Volume23
Issue number2
DOIs
Publication statusPublished - Feb 2009
Externally publishedYes

Fingerprint

Ashes
Self compacting concrete
Bagasse
Concretes
Costs
Concrete mixtures
Compressive strength
bagasse
Vibrators
Applicators
Water content

Keywords

  • Bagasse
  • Bagasse ash
  • Compressive strength
  • Self compacting concrete
  • Sugarcane

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Materials Science(all)

Cite this

Production of low cost self compacting concrete using bagasse ash. / Akram, Tayyeb; Memon, Shazim Ali; Obaid, Humayun.

In: Construction and Building Materials, Vol. 23, No. 2, 02.2009, p. 703-712.

Research output: Contribution to journalArticle

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