Effect of Longitudinal Forces Due to Loads on Prestressed Mono-Block Sleeper Spacing
Mohamed Y Mohsen1, Hany I Ahmed2, Hany S Riad3, Amr A Abdel Rahman4

1Mohamed Youssef Mohsen Youssef, Assistant Lecturer at Faculty of Engineering Beni-Suef University, Egypt.
2Hany Ibrahim Ahmed, Department of Civil Engineering, Faculty of Engineering, Higher Technological Institute, Egypt.
3Hany Sobhy Riad, Department of Civil Engineering, Faculty of Engineering, Higher Technological Institute, Egypt.
4Dr. Amr Ali Abdel Rahman, Structural Engineering Department and Professor of Concrete Structures, Ain Shams University, Egypt.
Manuscript received on July 12, 2020. | Revised Manuscript received on July 20, 2020. | Manuscript published on August 10, 2020. | PP: 134-149 | Volume-9 Issue-10, August 2020 | Retrieval Number: 100.1/ijitee.J74510891020 | DOI: 10.35940/ijitee.J7451.0891020
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Abstract: The present paper proposes scientific and practical methodology to update the concept of the constant sleeper spacing along the railway track to be reset according to the affecting normal forces caused by passenger and freight trains. The proposed methodology has developed a suitable sleeper spacing plan according to three cases which are train acceleration, uniform speed and braking on -5 ‰, 0 ‰ and 5‰ grades. The study aims to determine the actual acceleration length, braking length, longitudinal forces, displacement index and finally the suitable sleeper spacing for each part on the track, then calculating the saving in sleepers for the following cases: passenger train runs on single or double track, freight train runs on single or double track and mixed traffic (passenger and freight) runs on single or double track. 
Keywords:  Feasibility study on sleeper spacing longitudinal forces on railway track, Pre-stressed mono-block concrete sleeper, Railway normal forces, Sleeper spacing, Track creep.
Scope of the Article: Natural Language Processing