Quantitative dam break analysis on a reservoir earth dam
Mathematical simulations on dam break or failure using BOSS DAMBRK hydrodynamic flood routing dam break model were carried out to determine the extent of flooding downstream, flood travel times, flood water velocities and impacts on downstream affected residences, properties and environmental sens...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
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Springer Science
2009
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| Online Access: | http://ir.unimas.my/id/eprint/11101/ http://ir.unimas.my/id/eprint/11101/1/Quantitative%20dam%20break%20analysis%20on%20a%20reservoir%20earth%20dam%20%28abstract0.pdf |
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| author | Kho, F. W. L. Law, P.L Lai, S.H. Oon, Y.W. Ngu, L.H Ting, H. S. |
| author_facet | Kho, F. W. L. Law, P.L Lai, S.H. Oon, Y.W. Ngu, L.H Ting, H. S. |
| author_sort | Kho, F. W. L. |
| building | UNIMAS Institutional Repository |
| collection | Online Access |
| description | Mathematical simulations on dam break or failure using BOSS DAMBRK hydrodynamic flood routing
dam break model were carried out to determine the extent of flooding downstream, flood travel times, flood water
velocities and impacts on downstream affected residences, properties and environmental sensitive areas due to floodwaters
released by failure of the dam structure. Computer simulations for one of the worse-case scenarios on dam failure using
BOSS DAMBRK software accounted for dam failure, storage effects, floodplains, over bank flow and flood wave
attenuation. The simulated results reviewed a maximum flow velocity of 2.40 m/s with a discharge of approximately
242 m³/s occurred at 1.00 km downstream. The maximum discharge increased from 244 m3/s (flow velocity = 1.74 m/s
occurred at 8th. km) to 263 m3/s (flow velocity = 1.37 m/s occurred at 12th. km); about a 39% drop in flow velocity over
a distance of 4.00 km downstream. If the entire dam gives way instantly, some spots stretching from 0.00 km (at dam
site) to approximately 3.40 km downstream of the dam may be categorized as “danger zone”, while downstream hazard
and economic loss beyond 3.40 km downstream can be classified as “low” or “minimal” zones. |
| first_indexed | 2025-11-15T06:31:41Z |
| format | Article |
| id | unimas-11101 |
| institution | Universiti Malaysia Sarawak |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T06:31:41Z |
| publishDate | 2009 |
| publisher | Springer Science |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | unimas-111012016-03-28T01:12:17Z http://ir.unimas.my/id/eprint/11101/ Quantitative dam break analysis on a reservoir earth dam Kho, F. W. L. Law, P.L Lai, S.H. Oon, Y.W. Ngu, L.H Ting, H. S. TC Hydraulic engineering. Ocean engineering Mathematical simulations on dam break or failure using BOSS DAMBRK hydrodynamic flood routing dam break model were carried out to determine the extent of flooding downstream, flood travel times, flood water velocities and impacts on downstream affected residences, properties and environmental sensitive areas due to floodwaters released by failure of the dam structure. Computer simulations for one of the worse-case scenarios on dam failure using BOSS DAMBRK software accounted for dam failure, storage effects, floodplains, over bank flow and flood wave attenuation. The simulated results reviewed a maximum flow velocity of 2.40 m/s with a discharge of approximately 242 m³/s occurred at 1.00 km downstream. The maximum discharge increased from 244 m3/s (flow velocity = 1.74 m/s occurred at 8th. km) to 263 m3/s (flow velocity = 1.37 m/s occurred at 12th. km); about a 39% drop in flow velocity over a distance of 4.00 km downstream. If the entire dam gives way instantly, some spots stretching from 0.00 km (at dam site) to approximately 3.40 km downstream of the dam may be categorized as “danger zone”, while downstream hazard and economic loss beyond 3.40 km downstream can be classified as “low” or “minimal” zones. Springer Science 2009 Article PeerReviewed text en http://ir.unimas.my/id/eprint/11101/1/Quantitative%20dam%20break%20analysis%20on%20a%20reservoir%20earth%20dam%20%28abstract0.pdf Kho, F. W. L. and Law, P.L and Lai, S.H. and Oon, Y.W. and Ngu, L.H and Ting, H. S. (2009) Quantitative dam break analysis on a reservoir earth dam. International Journal Environmental Science Technology, 6 (2). pp. 203-210. ISSN 1735-1472 http://link.springer.com/article/10.1007%2FBF03327623 DOI: 10.1007/BF03327623 |
| spellingShingle | TC Hydraulic engineering. Ocean engineering Kho, F. W. L. Law, P.L Lai, S.H. Oon, Y.W. Ngu, L.H Ting, H. S. Quantitative dam break analysis on a reservoir earth dam |
| title | Quantitative dam break analysis on a reservoir earth dam |
| title_full | Quantitative dam break analysis on a reservoir earth dam |
| title_fullStr | Quantitative dam break analysis on a reservoir earth dam |
| title_full_unstemmed | Quantitative dam break analysis on a reservoir earth dam |
| title_short | Quantitative dam break analysis on a reservoir earth dam |
| title_sort | quantitative dam break analysis on a reservoir earth dam |
| topic | TC Hydraulic engineering. Ocean engineering |
| url | http://ir.unimas.my/id/eprint/11101/ http://ir.unimas.my/id/eprint/11101/ http://ir.unimas.my/id/eprint/11101/ http://ir.unimas.my/id/eprint/11101/1/Quantitative%20dam%20break%20analysis%20on%20a%20reservoir%20earth%20dam%20%28abstract0.pdf |