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International journal of concrete structures and materials v.4 no.1, 2010년, pp.55 - 62  
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Analysis of the Foam Generated Using Surfactant Sodium Lauryl Sulfate

Ranjani, G. Indu Siva    (Dept. of Civil Engineering, Indian Institute of Technology Madras   ); Ramamurthy, K.    (Dept. of Civil Engineering, Indian Institute of Technology Madras  );
  • 초록

    The performance evaluation of a sodium lauryl sulfate to qualify as a foaming agent is presented in this paper. When new surfactants are used a systematic study of production parameters on the foam characteristics needs to be undertaken unlike proprietary foaming agents and foam generator for which manufacturer has predefined the parameters. The relative influence of the foam parameters and optimization of factors were carried out through a systematic experiment design. The foam production parameters namely foam generation pressure and dilution ratio of foaming agents are observed to have significant effect on all foam characteristics with the exception of foam output rate on which only foam generation pressure has influence. The foam with good initial foam density need not necessarily be stable foam. The optimum levels of foam production parameters are determined for the surfactant Sodium lauryl sulfate which can be used to produce stable foam for foam concrete production.


  • 주제어

    foam .   density .   stability .   output rate .   capacity .   sodium lauryl sulfate.  

  • 참고문헌 (19)

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    8. Magrabi, S. A., Dlugogorski, B. Z., and Jameson, G. J., “Free Drainage in Aqueous foams: Model and Experimental study,” AIChE Journal, Vol. 37, 2001, pp. 314-327. 
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    10. Nambiar, E. K. K. and Ramamurthy, K., “Air Void Characterisation of foam Concrete,” Cement and Concrete Research, Vol. 37, 2006, pp. 221-230. 
    11. Myers, D., “Surfactant Science and Technology,” VCH Publishers, New York, 1998. 
    12. Nambiar, E. K. K., “Influence of Composition and Pore Parameters on Properties of Preformed foam Concrete,” Ph.D. thesis, I.I.T Madras, 2006. 
    13. BIS Bureau of Indian Standards. Specification for 53 grade Ordinary Portland Cement, IS 12269, BIS, New Delhi, India, 1987. 
    14. Ministry of Defence, Defence Standard 42-40, Foam Liquids, Fire Extinguishing (Concentrates, Foam, Fire Extinguishing), 2, 2002. 
    15. SAS Release 8.02, SAS Institute Inc., Cary, NC, USA. 
    16. Montgomery, D. C., “Design and Analysis of Experiments,” Wiley, New York, 2001. 
    17. American Society for Testing and Materials, Standard Test Method for Foaming Agents for use in Producing Cellular Concrete Using Preformed foam, ASTM C 796-97, Philadelphia, 1997. 
    18. Ranjani, G. I. S., and Ramamurthy, K, “Evaluation of synthetic Based Preformed Foam Concrete,” Proceedings of International Conference on ICI Innovative World of Concrete, ICIIWC (CD Rom), New Delhi, India, 2008. 
    19. American Society for Testing and Materials, Specification for Foaming Agents Used in Making Preformed foam for Cellular Concrete, ASTM C 869-91, Philadelphia, 1991. 

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