How far can you push a HEC-RAS model and other conundrums – a Nam Theun 2 case study

Toombes, L. (2014). How far can you push a HEC-RAS model and other conundrums – a Nam Theun 2 case study. In: Hubert Chanson and Luke Toombes, Hydraulic structures and society - Engineering challenges and extremes. 5th IAHR International Symposium on Hydraulic Structures, Brisbane, Australia, (1-8). 25-27 June 2014. doi:10.14264/uql.2014.46

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Author Toombes, L.
Title of paper How far can you push a HEC-RAS model and other conundrums – a Nam Theun 2 case study
Conference name 5th IAHR International Symposium on Hydraulic Structures
Conference location Brisbane, Australia
Conference dates 25-27 June 2014
Proceedings title Hydraulic structures and society - Engineering challenges and extremes
Journal name ISHS 2014 - Hydraulic Structures and Society - Engineering Challenges and Extremes: Proceedings of the 5th IAHR International Symposium on Hydraulic Structures
Place of Publication Brisbane, Australia
Publisher The University of Queensland
Publication Year 2014
Year available 2014
Sub-type Fully published paper
DOI 10.14264/uql.2014.46
Open Access Status DOI
ISBN 9781742721156
Editor Hubert Chanson
Luke Toombes
Start page 1
End page 8
Total pages 8
Collection year 2015
Language eng
Abstract/Summary Designed by 2007, built by 2010, limits pushed by 2011; the occurrence of an extreme flood event at the Nam Theun 2 hydropower dam system in Laos sparked a reassessment of the hydrology resulting in a 30% increase in design flows and leaving the flood release infrastructure well short of the required capacity. This increase and subsequent attempts to re-analyse the release structures, ranging from simplified HEC-RAS modelling to sophisticated CFD and physical modelling, serve as examples of the uncertainty and risks that can be encountered in the design of hydraulic structures.
Keyword Design
Modelling
Uncertainty
Reliability
HEC-RAS
Physical model
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status Non-UQ

 
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Created: Tue, 13 May 2014, 15:16:41 EST by Anthony Yeates on behalf of Scholarly Communication and Digitisation Service