• Evaluation of Ballast Fouling Causes, Rate, and Scheduling of Appropriate Maintenance (at Dire Dawa Site 

  Kawiso, Benard (Addis Ababa University, 2019-07)

  The railway infrastructure is an integral part of the railway system that holds all the forces applied on the ground without excessive deformation. The system substructure faces a problem of contamination, disintegration ...
• Investigation of the Cause and a Remedial Method for Failed Slope Around Railway Tunnel Portal 

  Mahamoud, Ahmed Muhumed (Addis Ababa University, 2019-07)

  Ethiopia has been trying to construct a new railway route that links central Ethiopia to the northern regions. However, this route crossed mountainous terrains which demanded the construction of several tunnels. The failed ...
• The Effect of Ground Pumice on the Strength of Normal Concrete 

  Gebeyehu, Ayele (Addis Ababa University, 2021-09)

  Concrete is the most widely used material in today's infrastructure needs all around the world. The production of Portland cement is however expensive, energy intensive, and results in globally significant GHGs emissions. ...
• Identification of Factors Affecting Bid No Bid Decision for Construction Projects in Addis Ababa and Developing Decision Model Using Fuzzy Rule -Based System 

  Meron, Wolde (Addis Ababa University, 2021-07)

  The main way of acquiring a job for a construction company is through competitive bid. Most of the time, bid invitations float for a short period of time and are seasonal. This activity is critical as it is done frequently, ...
• Assessment of water service delivery, Utilization and customer satisfaction at condominium sites in Addis Ababa: The case of woyra condominium site, Kolfe Keraneo sub city 

  Mohammed, Esam (A.A.U, 2021-08)

  In condominium houses the issue of water supply is crucial. The present study aimed to assess the water delivery, utilization and customer satisfaction at Woyra condominium site in Kolfe keranio Sub-city, Addis Ababa. A ...

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