American Journal of Applied Scientific Research

Volume 3, Issue 6, November 2017

  • A Study on the Effect of Time Duration by Vibrating or Tamping Fresh Concrete on the Compressive Strength of C-25 Concrete

    Afework Achalu, Emer Tucay Quezon, Gerry Bangayan Macarubbo

    Issue: Volume 3, Issue 6, November 2017
    Pages: 72-79
    Received: 29 January 2017
    Accepted: 23 February 2017
    Published: 28 November 2017
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    Abstract: Many years ago, consolidation accomplished by laborers wielding a variety of spades, tampers, and similar tools. In Ethiopia, there is no enough knowledge by the laborers, while the site engineers ignored the correct application due to some constraints. The agreement of acceptable vibration level in fresh concrete to which tamping time duration is ... Show More
  • Factors Affecting the Self-Healing Efficiency of Cracked Concrete Structures

    Meseret Getnet Meharie, James Wambua Kaluli, Zachary Abiero-Gariy, Nandyala Darga Kumar

    Issue: Volume 3, Issue 6, November 2017
    Pages: 80-86
    Received: 5 July 2017
    Accepted: 18 July 2017
    Published: 28 November 2017
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    Abstract: Self-healing concrete is the ability of concrete to repair its cracks autogenously or autonomously. Since some years ago, several studies have been conducted towards the improvement of self-healing efficiency of cracked concrete structures through various methods for the betterment of its application. However, there is a need to prepare a thorough ... Show More
  • The Effect of Extraction Method, Bleaching and Clarification Processes on Quality Second Grade Siwi Date Dibs

    Hanafy A. Hashem, Hasan H. Abd El-Daym, Gamal A. A. El-Sharnouby, Salwa M. A. Farghal, Hossameldin A. Badr

    Issue: Volume 3, Issue 6, November 2017
    Pages: 87-93
    Received: 7 March 2017
    Accepted: 29 March 2017
    Published: 30 November 2017
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    Abstract: Second grade Siwi date palm fruits in Baharia Oasis were used forproduction of high quality date syrup (Dibs). Physical and chemical characteristics of Siwi date fruits (second grade) as well as quality parameters of Siwi date extract as affected by bleaching and clarification treatments were investigated. Also, quality parameters of the obtained d... Show More