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International journal of concrete structures and materials v.4 no.1, 2010년, pp.3 - 8  
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Exploiting the Potentials of Rice Husk Ash as Supplement in Cement for Construction in Nigeria

Akindahunsi, Akindehinde Ayotunde    (Dept. of Civil Engineering, Obafemi Awolowo University   ); Alade, Oluwotosin    (Dept. of Civil Engineering, Obafemi Awolowo University  );
  • 초록

    This paper present the results of investigation on the use of rice husk ash as a partial substitute for cement in construction. One hundred and eighty specimens of concrete cubes were cast. 0, 5, 10, 15, and 20% partial replacement of cement with rice husk ash were carried at 1:2:4 mixes by weight with 0.60, 0.65, 0.70 water/cement ratio. The results indicated that compressive strengths of cubes at 0.6, water/cement were higher than 0.65 and 0.70. Also 5% partial replacement cement with rice husk ash at $28^{th}$ day average compressive strength value of $25.4\;N/mm^2$ compared well with 0% partial replacement of cement with rice husk ash of $26.28\;N/mm^2$ . This shows that at 5% partial replacement of cement with rice husk ash can be used for structural concrete and at 15% replacement or more it can be used for non - structural construction works or light weight concrete construction. The cost analysis shows substantial amount of savings for the country.


  • 주제어

    rice husk ash .   pozzolan .   environmental pollution .   new construction material .   cost saving technology.  

  • 참고문헌 (25)

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