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Application of the Updated PSHA on the Stability Analysis of the Meninting Diversion-Spillway Tunnel in Lombok Island—Indonesia

  • 2023
  • OriginalPaper
  • Chapter
Published in:
Authors
Didi S. Agustawijaya
Ria R. Marlaningtyas
Suryawan Murtiadi
Mudji Wahyudi
Muhajirah
Hartana
Ausa R. Agustawijaya
Published in
Proceedings of the 5th International Conference on Rehabilitation and Maintenance in Civil Engineering
Publisher
Springer Nature Singapore

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Abstract

The chapter discusses the impact of the 2018 earthquakes on the Meninting Diversion-Spillway Tunnel in Lombok Island, Indonesia. It highlights the need to recalculate the tunnel's seismic design using updated probabilistic seismic hazard analysis (PSHA) standards. The analysis focuses on the tunnel's rock mass strength, stress concentrations, and the influence of earthquake forces. The results indicate that the tunnel's stability is significantly affected by earthquake forces, particularly on the tangential stresses. The chapter also provides recommendations for improving the tunnel's stability, such as the application of grouting and rock bolting. Overall, the study offers valuable insights into the stability assessment and design of tunnels in seismically active regions.
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Title
Application of the Updated PSHA on the Stability Analysis of the Meninting Diversion-Spillway Tunnel in Lombok Island—Indonesia
Authors
Didi S. Agustawijaya
Ria R. Marlaningtyas
Suryawan Murtiadi
Mudji Wahyudi
Muhajirah
Hartana
Ausa R. Agustawijaya
Copyright Year
2023
Publisher
Springer Nature Singapore
Book
Proceedings of the 5th International Conference on Rehabilitation and Maintenance in Civil Engineering

Print ISBN: 978-981-16-9347-2

Electronic ISBN: 978-981-16-9348-9

Copyright Year: 2023

DOI
https://doi.org/10.1007/978-981-16-9348-9_12
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