Geomechanics and Engineering

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Train induced dynamic response of a pedestrian tunnel under a four-track surface railway for different soil water contents

  • Farghaly, Ahmed Abdelraheem (Department of Civil and Architectural Constructions, Faculty of Industrial Education, Sohag University) ;
  • Kontoni, Denise-Penelope N. (Department of Civil Engineering, Technological Educational Institute of Western Greece)
  • Received : 2018.05.09
  • Accepted : 2018.06.20
  • Published : 2018.11.20
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Abstract

A reinforced concrete pedestrian tunnel is constructed under a four-track surface railway. Heavy rainfall and soil exposure to drying lead to soil with different water content throughout the year. A railway is an open utility that is subject to rainfall without control on the quantity of the water on it and when there is a tunnel under a railway, the water content of the soil around the tunnel is very influential. This research shows the effects of change of water content in the soil around a pedestrian tunnel under a four-track surface railway. The pedestrian tunnel and the soil block around the tunnel are modeled in 3D by the FEM and are studied under the vibrations induced by the moving trains on the four-track surface railway for different soil water contents and the effects of the soil water content on the dynamic behavior of the tunnel and the surrounding soil are demonstrated.

Keywords

References

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