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Uplift Pressure Analysis of the Cijurey DAM Spillway for Enhancing Infrastructure Resilience to Extreme Hydrological Events
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Uplift Pressure Analysis of the Cijurey DAM Spillway for Enhancing Infrastructure Resilience to Extreme Hydrological Events

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Abstract:

In the context of climate change adaptation, infrastructure resilience against extreme hydrological conditions is critical to ensure dam safety. This study investigates uplift pressures and their implications on floor slab thickness in the spillway structure of the Cijurey Dam, located in West Java, Indonesia. Using a two-dimensional numerical seepage analysis based on the finite element method (FEM), a steady-state seepage analysis was conducted for two operational scenarios: water level at the crest +286 meters above sea level and 1000-year return period peak flood discharge Q1000th. The analysis identifies uplift pressure distribution along the spillway chute, stepped chute, and stilling basin, with critical values ranging from 1.75 kN/m² to 129.83 kN/m². These findings directly inform the slab thickness requirements for each segment to ensure structural safety and serviceability. By correlating uplift forces with slab thickness design, this paper provides an essential technical reference for spillway design under increasing climate-driven flood risks.

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Periodical:

Construction Technologies and Architecture (Volume 24)

Pages:

11-20

DOI:

https://doi.org/10.4028/p-9kHGLo

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Online since:

June 2026

Authors:

Atika Praptawati*, Suwanto Marsudi, Nur Latifah Khomsiati, Uridna Marwah Lufthansa

Keywords:

Dam Safety, Extreme Flood, Numerical Seepage Analysis, Spillway, Uplift Pressure

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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