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Evaluation of Relation between Split Tensile and Compressive Strength of OPC Concrete


Affiliations
1 Civil Engg. Department, IET, Bhaddal, Ropar, India
2 Civil Engg. Department, PAU, Ludhiana, India
 

Present study was carried out to determine the compressive strength characteristics of concrete (M40) containing flyash and silica fume with superplasticizer. The objectives were to study the effect of combined use of flyash and silica fume with superplasticizer on compressive and split tensile strength of concrete. The water cement ratios in all mixes were kept 0.32. After curing, the specimens were tested after 3, 7, and 28 days for getting the value of compressive and split tensile strength. The relation between compressive and split tensile strength has been developed and the value of R2 is 0.938. The derived relationship of current study was compared with the relationship developed from four other authors. It is found that derived relationship of current study is in good agreement with the relationship derived by Oluokun et al. i.e. fsts= 0.294fc0.69.

Keywords

Flyash, Silica Fume, Compressive Strength, Split Tensile Strength.
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  • BIS: 8112:1989 (Reaffirmed 2005): Specification for 43 grade Ordinary Portland Cement, Bureau of Indian Standard, New Delhi-2005.

  • BIS: 383-1970: Specification for Coarse and Fine Aggregates from Natural Sources for Concrete, Bureau of Indian Standard, New Delhi-1970.

  • BIS: 9103:1999 (Reaffirmed 2004): Concrete Admixtures-Specifications, Bureau of Indian Standard, New Delhi-2004.

  • BIS: 10262-1982 (Reaffirmed 2004): Recommended guidelines for concrete mix design, Bureau of Indian Standard, New Delhi-2004.

  • BIS: 516-1959 (Reaffirmed 2004): Methods of tests for strength of concrete, Bureau of Indian Standard, New Delhi-2004.

  • BIS: 5816, “Indian standard splitting tensile strength of concrete-test method”, New Delhi, India: Bureau of Indian Standards; 1999.

  • N.J. Gardner., “Effect of temperature on the early age properties of type I, type III and type I/Flyash concrete,” ACI Materials Journal , vol. 87,no 1, Jan.-Feb. 1990, pp.68-78

  • ACI Committee 318, “Building Code requirement for structural concrete (ACI 318-99) and commentary (ACI 318R-99),” American Concrete Institution, Farmington Hills, Mich. 1992, 391.

  • CEB-FIP Model Code for Concrete Structures 1990, “Evaluation of the time dependent behaviour of concrete,” Bulletin d’Information No 199, Comite European du Beton/Federation International de la Precontrainte, Lausanne, 1991, 201.

  • F.A. Oluokun, E.G. Burdette and J.H.Deatherage, “Split tensile strength and compressive strength relationships at early ages,” ACI Materials Journal, 88(2) 1991, 115-121.


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  • Evaluation of Relation between Split Tensile and Compressive Strength of OPC Concrete

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Authors

Anil Kumar Nanda
Civil Engg. Department, IET, Bhaddal, Ropar, India
Jaspal Singh
Civil Engg. Department, PAU, Ludhiana, India

Abstract


Present study was carried out to determine the compressive strength characteristics of concrete (M40) containing flyash and silica fume with superplasticizer. The objectives were to study the effect of combined use of flyash and silica fume with superplasticizer on compressive and split tensile strength of concrete. The water cement ratios in all mixes were kept 0.32. After curing, the specimens were tested after 3, 7, and 28 days for getting the value of compressive and split tensile strength. The relation between compressive and split tensile strength has been developed and the value of R2 is 0.938. The derived relationship of current study was compared with the relationship developed from four other authors. It is found that derived relationship of current study is in good agreement with the relationship derived by Oluokun et al. i.e. fsts= 0.294fc0.69.

Keywords


Flyash, Silica Fume, Compressive Strength, Split Tensile Strength.

References