| Issue |
MATEC Web Conf.
Volume 331, 2020
International Conference on Urban Disaster Resilience (ICUDR 2019)
|
|
|---|---|---|
| Article Number | 02004 | |
| Number of page(s) | 7 | |
| Section | Geotechnical Engineering | |
| DOI | https://doi.org/10.1051/matecconf/202033102004 | |
| Published online | 09 December 2020 | |
Grouting performance of the Pandan Duri dam shacked by Lombok earthquake 2018
1 Department of Civil Engineering, University of Mataram, Mataram 83125, Indonesia
2 Department of Geomatics Engineering, ITS, Surabaya, Indonesia
* Corresponding author: didiagustawijaya@unram.ac.id
The Pandan Duri dam has an important role in water supply in the East Lombok District. Unfortunately, Lombok Island is located in a relatively high seismic risk area, as earthquakes occurred in 2018 have ruined almost one third of the island and destroyed thousands of buildings. The Pandan Duri dam is one of many infrastructures shacked by the earthquake. Modelling the dam shows that the grouting installation of the dam has supported the dam after the earthquake. The factor of safety (FoS) of the dam was still 1. 76 after the earthquake for the flood water level conditions; but, the displacements could be significant to the stability of the dam, as the dam might displace up to 1. 64 m. Although, the current grouting support system might provide the stability to the dam during earthquake events, the dam will certainly require further stability enhancement and close monitoring for possible similar events in the future.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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