February 1, 2016 Thesis Open Access

FAYERA MOSISA

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  <identifier identifierType="DOI">10.20372/nadre:2926</identifier>
  <creators>
    <creator>
      <creatorName>FAYERA MOSISA</creatorName>
    </creator>
  </creators>
  <titles>
    <title>TRACK SURVEYING AND SPEED OPTIMIZATION (CASE STUDY ADDIS ABABA – ADAMA LINE)</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2016</publicationYear>
  <dates>
    <date dateType="Issued">2016-02-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Thesis</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://nadre.ethernet.edu.et/record/2926</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsVersionOf">10.20372/nadre:2925</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://nadre.ethernet.edu.et/communities/aau</relatedIdentifier>
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  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;Speed Optimization is a means of improving the geometric alignment, infrastructure and&lt;br&gt;
construction materials and structure performance during the working cycles under some manufacturing,&lt;br&gt;
operational and failure conditions as well as cost limitations.&lt;br&gt;
The new Ethiopian national railway network design speed is about 120Km/h which is too low when&lt;br&gt;
compared with some developed countries rail speed. Construction of new high speed line needs huge&lt;br&gt;
investment that may not be viable for a developing country like Ethiopia and optimization of existing line&lt;br&gt;
using different techniques is the available option. The major anticipated problems/demand behind for&lt;br&gt;
high speed for the country national rail network and Addis Ababa &amp;ndash; Adama line in particular are for that&lt;br&gt;
it is Competitive with toll road of same speed, located along the development axis area of Ethiopian&lt;br&gt;
economy, located along country&amp;rsquo;s industrial zone highly polluted by industry emission, national image&lt;br&gt;
building, attracting investor and delay of freight at sea port.&lt;br&gt;
Optimization of speed were done by enquiring and analyzing existing track geometry and track super&lt;br&gt;
structures, construction materials and other speed related parameters to identify restrictive sections and&lt;br&gt;
the maximum allowable speed of the line. Geometric analysis and design were done by Bentley Inrail&lt;br&gt;
software in the optimization process and finite element methods were used for analyzing of track&lt;br&gt;
component response under optimized speed&lt;/p&gt;</description>
  </descriptions>
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