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Finite element analysis of multistory structures subjected to train-induced vibrations considering soil-structure interaction
Faculty
Engineering
Year:
2021
Type of Publication:
ZU Hosted
Pages:
18
Authors:
Marwa Nabil Amien Abdallah
Staff Zu Site
Abstract In Staff Site
Journal:
Case Studies in Construction Materials Elsevier Ltd
Volume:
Volume 15
Keywords :
Finite element analysis , multistory structures subjected
Abstract:
Due to the expansion of cities through megaprojects and the increase in populations in large cities, many buildings are constructed beside train tracks. Trains passing nearby buildings cause ground vibrations that may affect the structures and their foundations. In this research, a detailed 3-D finite element analysis is conducted on a ten-story reinforced concrete framed structure resting on a raft foundation using ABAQUS. The soil profile consists of silty clay for 10 m followed by dense sand for 40 m. The soil block considered in the analysis has plan dimensions of 100m × 100m. The train loads are modeled using moving point loads. The train track is considered at different distances from the building. The effect of the train speed and its track distance from the building on the response of the structure with its foundations are investigated. Mitigation techniques including open trenches and in-filled foam trenches are considered in order to mitigate the effect of vibrations induced by trains on the adjacent building. The results showed that these techniques are efficient in reducing the train-induced vibrations transmitted to the soil and the adjacent building. The average reduction percentage in acceleration was 61.29 % and 57.39 % when using in-filled foam trench and open trench mitigation techniques, respectively.
Author Related Publications
Marwa Nabil Amien Abdallah, "Numerical analysis of underground tunnels subjected to surface blast loads", Frattura ed Integrità Strutturale, 2021
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Marwa Nabil Amien Abdallah, "Numerical analysis of unconnected piled raft with cushion", Ain Shams Engineering Journal, 2015
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Marwa Nabil Amien Abdallah, "Assessment of structural response of an existing structure under blast load using finite element analysis", Faculty of Engineering, Alexandria University, 2019
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Marwa Nabil Amien Abdallah, "Risk of surface blast load on pile foundations", Peter the Great St. Petersburg Polytechnic University, St. Petersburg, Russian Federation, 2019
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Marwa Nabil Amien Abdallah, "Effect of Blasts on Underground Tunnels- An Overview", The Egyptian International Journal of Engineering Sciences and Technology, 2021
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Department Related Publications
Elsayed saad Abdelsalam Salman, "S. Abdel Salam, A. Akl, O. Shallan, “DYNAMIC ANALYSIS OF TUNNEL”, Proceedings of the International Congress on Tunneling and ground Conditions, 3-7 April 1994, national Authority for Tunnels, Cairo, Egypt.", Proceedings of the International Congress on Tunneling and ground Conditions national Authority for Tunnels, Cairo, Egypt., 1994
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Mohamed Salah Amin Abdelaal, "Ultrasonic characterization of expanded polystyrene used for shallow tunnels under seismic excitation", journal homepage: www.sciencedirect.com, 2022
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Hanaa Alsayed Elsayed Abdelmoteleb, "Ultrasonic characterization of expanded polystyrene used for shallow tunnels under seismic excitation", journal homepage: www.sciencedirect.com, 2022
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Alaa Abdelhamied Ali Ata, "Numerical analysis of underground tunnels subjected to surface blast loads", Frattura ed Integrità Strutturale, 2021
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