Assessment and Evaluation of Addis Ababa Light Railway Transit Track Structures
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Date
2016-11
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Addis Ababa University
Abstract
To effectively solve the problem of urban transportation, especially that of the downtown area, the government of Ethiopia has planned and constructed light railway transit in the city of Addis Ababa. The AALRT railway tracks basically consists a flat framework made up of rails and sleepers which is supported on ballast. The ballast rest on a sub ballast layer which form the transition layer to the formation.
The significance of this research is to construct Phase-II AALRT project plan more reliable, efficient and esthetically attractive then the first phase AALRT project. This research would assess and evaluate lesson learned from first phase AALRT project. It focuses on external interactions that occur between the various components of a track structures and its supporting systems, integration with landscape, highway transportations and infra-structures. Besides, safety, future expansion, aesthetics and drainage system, wastage of materials and human power, the technology, knowledge and skill gained during construction and operation track structures.
The research were held through site investigations, desk studies and questionnaires response. The primary data for research gained from desk study through review detail design documents and literature from the Ethiopian railway corporation. The questionnaires are on the findings of the research analyzed using simple statistical approaches, Likert‟s scale and standard error deviation. Within this study it is possible to conclude assessment and evaluation the constructed AALRT project track structures.
The research identifying that providing light railway transit for resident of city has the effective solution for the immediate transportation problem. Besides, there is also lack of integration between the constructed railroad with existing buildings, pipes, wires and transportation situation. The commercial activities decrease due to cause of the laid railroad separate the city in two sides. The constructed AALRT project would not consider safety, future expansion and urban aesthetics. It also shows that there was wastage of properties, materials,
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Keywords
AALRT, Modal Integration, Interaction System, Aesthetics and Safety, Skill and experience