American Journal of Civil Engineering

Volume 8, Issue 3, May 2020

  • Model for Vertical Hyperthermic Temperature Gradient Distribution in Concrete Box Girder in China

    Ziying Liu, Tianlai Yu

    Issue: Volume 8, Issue 3, May 2020
    Pages: 48-56
    Received: 1 May 2020
    Accepted: 15 May 2020
    Published: 18 May 2020
    Abstract: The temperature field of concrete box girder under sunshine is an important factor to be considered in the design of bridge superstructure. Based on the meteorological parameters and the semi-empirical formula given by related bridge specifications, the vertical temperature gradient distribution model of prestressed concrete box girder was establis... Show More
  • Waste Rubber Tires: A Partial Replacement for Coarse Aggregate in Concrete Floor Tile Production

    Gemeda Etefa, Alemu Mosisa

    Issue: Volume 8, Issue 3, May 2020
    Pages: 57-63
    Received: 4 July 2019
    Accepted: 7 August 2019
    Published: 8 June 2020
    Abstract: Concrete tile is one of the most used construction materials in the world. Cement and aggregate, which are the most important constituents used in concrete tile production, they are the vital materials needed for the construction industry. This led to a continuous and increasing demand of natural materials used for their production. Parallel to the... Show More
  • Study of Characteristics of Bricks Produced in Kathmandu, Nepal

    Shanti Kala Subedi

    Issue: Volume 8, Issue 3, May 2020
    Pages: 64-76
    Received: 14 June 2020
    Accepted: 30 June 2020
    Published: 6 July 2020
    Abstract: The quality of brick is determined by its physical, mechanical and microstructure characteristics. The main objective of this study was to assess the characteristics of different types of bricks produced under various clay composition, different types of kiln used, and various firing temperature, and cooling process, which are considered as the maj... Show More