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Author: Lin Li
Publisher: CRC Press
ISBN: 9780429297557
Category : Technology & Engineering
Languages : en
Pages : 220
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Book Description
"Earthen levees are extensively used to protect the population and infrastructure from periodic floods and high water due to storm surges. The causes of failure of levees include overtopping, surface erosion, internal erosion, and slope instability. Overtopping may occur during periods of flooding due to insufficient freeboard. The most problematic situation involves the levee being overtopped by both surge and waves when the surge level exceeds the levee crest elevation with accompanying wave overtopping. Overtopping of levees produces fast-flowing, turbulent water velocities on the landward-side slope that can potentially damage the protective grass covering and expose the underlying soil to erosion. If overtopping continues long enough, the erosion may eventually result in loss of levee crest elevation and possibly breaching of the protective structure. Hence, protecting levees from erosion by surge overflow and wave overtopping is necessary to assure a viable and safe levee system. This book presents a cutting-edge approach to understanding overtopping hydraulics under negative free board of earthen levees, and to the study of levee reinforcing methods. Combining soil erosion test, full-scale laboratory overtopping hydraulics test, and numerical modeling for the turbulent overtopping hydraulics, it provides an analysis that integrates the mechanical and hydraulic processes governing levee overtopping occurrences and engineering approaches to reinforce overtopped levees. Topics covered surge overflow, wave overtopping and their combination, full-scale hydraulic tests, erosion tests, overtopping hydraulics, overtopping discharge, and turbulent analysis. This is an invaluable resource for graduate students and researchers working on levee design, water resource engineering, hydraulic engineering, and coastal engineering, and for professionals in the field of civil and environmental engineering, and natural hazard analysis"--
Author: Lin Li
Publisher: CRC Press
ISBN: 9780429297557
Category : Technology & Engineering
Languages : en
Pages : 220
Get Book Here
Book Description
"Earthen levees are extensively used to protect the population and infrastructure from periodic floods and high water due to storm surges. The causes of failure of levees include overtopping, surface erosion, internal erosion, and slope instability. Overtopping may occur during periods of flooding due to insufficient freeboard. The most problematic situation involves the levee being overtopped by both surge and waves when the surge level exceeds the levee crest elevation with accompanying wave overtopping. Overtopping of levees produces fast-flowing, turbulent water velocities on the landward-side slope that can potentially damage the protective grass covering and expose the underlying soil to erosion. If overtopping continues long enough, the erosion may eventually result in loss of levee crest elevation and possibly breaching of the protective structure. Hence, protecting levees from erosion by surge overflow and wave overtopping is necessary to assure a viable and safe levee system. This book presents a cutting-edge approach to understanding overtopping hydraulics under negative free board of earthen levees, and to the study of levee reinforcing methods. Combining soil erosion test, full-scale laboratory overtopping hydraulics test, and numerical modeling for the turbulent overtopping hydraulics, it provides an analysis that integrates the mechanical and hydraulic processes governing levee overtopping occurrences and engineering approaches to reinforce overtopped levees. Topics covered surge overflow, wave overtopping and their combination, full-scale hydraulic tests, erosion tests, overtopping hydraulics, overtopping discharge, and turbulent analysis. This is an invaluable resource for graduate students and researchers working on levee design, water resource engineering, hydraulic engineering, and coastal engineering, and for professionals in the field of civil and environmental engineering, and natural hazard analysis"--
Author: Lin Li
Publisher: CRC Press
ISBN: 1000258238
Category : Technology & Engineering
Languages : en
Pages : 220
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Book Description
Earthen levees are extensively used to protect the population and infrastructure from periodic floods and high water due to storm surges. The causes of failure of levees include overtopping, surface erosion, internal erosion, and slope instability. Overtopping may occur during periods of flooding due to insufficient freeboard. The most problematic situation involves the levee being overtopped by both surge and waves when the surge level exceeds the levee crest elevation with accompanying wave overtopping. Overtopping of levees produces fast-flowing, turbulent water velocities on the landward-side slope that can potentially damage the protective grass covering and expose the underlying soil to erosion. If overtopping continues long enough, the erosion may eventually result in loss of levee crest elevation and possibly breaching of the protective structure. Hence, protecting levees from erosion by surge overflow and wave overtopping is necessary to assure a viable and safe levee system. This book presents a cutting-edge approach to understanding overtopping hydraulics under negative free board of earthen levees, and to the study of levee reinforcing methods. Combining soil erosion test, full-scale laboratory overtopping hydraulics test, and numerical modeling for the turbulent overtopping hydraulics. It provides an analysis that integrates the mechanical and hydraulic processes governing levee overtopping occurrences and engineering approaches to reinforce overtopped levees. Topics covered: surge overflow, wave overtopping and their combination, full-scale hydraulic tests, erosion tests, overtopping hydraulics, overtopping discharge, and turbulent analysis. This is an invaluable resource for graduate students and researchers working on levee design, water resource engineering, hydraulic engineering, and coastal engineering, and for professionals in the field of civil and environmental engineering, and natural hazard analysis.
Author: Waterways Experiment Station (U.S.)
Publisher:
ISBN:
Category : Hydraulic models
Languages : en
Pages : 74
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Book Description
Author:
Publisher:
ISBN:
Category : Hydraulics
Languages : en
Pages : 144
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Book Description
Author: Jeremy A. Sharp
Publisher:
ISBN:
Category : Hydraulics
Languages : en
Pages : 12
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Book Description
Author: Lin Li
Publisher: CRC Press
ISBN: 9781000043129
Category : Business & Economics
Languages : en
Pages : 0
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Book Description
Earthen levees are extensively used to protect the population and infrastructure from periodic floods and high water due to storm surges. The causes of failure of levees include overtopping, surface erosion, internal erosion, and slope instability. Overtopping may occur during periods of flooding due to insufficient freeboard. The most problematic situation involves the levee being overtopped by both surge and waves when the surge level exceeds the levee crest elevation with accompanying wave overtopping. Overtopping of levees produces fast-flowing, turbulent water velocities on the landward-side slope that can potentially damage the protective grass covering and expose the underlying soil to erosion. If overtopping continues long enough, the erosion may eventually result in loss of levee crest elevation and possibly breaching of the protective structure. Hence, protecting levees from erosion by surge overflow and wave overtopping is necessary to assure a viable and safe levee system. This book presents a cutting-edge approach to understanding overtopping hydraulics under negative free board of earthen levees, and to the study of levee reinforcing methods. Combining soil erosion test, full-scale laboratory overtopping hydraulics test, and numerical modeling for the turbulent overtopping hydraulics. It provides an analysis that integrates the mechanical and hydraulic processes governing levee overtopping occurrences and engineering approaches to reinforce overtopped levees. Topics covered: surge overflow, wave overtopping and their combination, full-scale hydraulic tests, erosion tests, overtopping hydraulics, overtopping discharge, and turbulent analysis. This is an invaluable resource for graduate students and researchers working on levee design, water resource engineering, hydraulic engineering, and coastal engineering, and for professionals in the field of civil and environmental engineering, and natural hazard analysis.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 283
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Book Description
The major objectives of the workshop were to (1) identify issues related to present procedures for determining riverine levee project height, including freeboard, (2) discuss alternative procedures for determining levee height, and (3) establish a direction for implementing new policy and procedures for determining levee height that would eliminate the concept of freeboard, and incorporate risk and uncertainty in the analysis. Freeboard overtopping and safety for levees with low levels of protection; Floodplain encroachment and its effects on levee overtopping design; Effect of channel erosion on freeboard at Houston, Minnesota; Hydraulic uncertainties in water surface calculations.
Author: R. Y. Hudson
Publisher:
ISBN:
Category :
Languages : en
Pages : 61
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Book Description
A hydraulic model investigation of levee sections proposed for impounding Lake Okeechobee was conducted to determine the effectiveness of different types of sections in preventing excessive overtopping of the protective levees by hurricane-generated waves. Most of the tests were conducted on 1:30-scale models of the levee sections installed in a wave flume 94 ft long with a testing section 1.5 ft deep and 1 ft wide. A few tests were conducted in a larger wave flume (119 ft long, 4 ft deep, and 5 ft wide) using a linear scale of 1:17, model to prototype. The height of wave run-up on and volume of water overtopping levee sections of various slopes, crown elevations, and lakeside berms for several depths of water at beach toe and levee toe were determined. (Author).
Author: Steven A. Hughes
Publisher:
ISBN:
Category : Levees
Languages : en
Pages : 14
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Book Description
Author: Arlen D. Feldman
Publisher:
ISBN:
Category : Floods
Languages : en
Pages : 26
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Book Description
