Embankment overtopping protections system and earth dam spillways

Chanson, Hubert (2009). Embankment overtopping protections system and earth dam spillways. In Walter P. Hayes and Michael C. Barnes (Ed.), Dams: Impacts, Stability and Design (pp. 101-132) Hauppauge NY, USA: Nova Science Publishers.

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Author Chanson, Hubert
Title of chapter Embankment overtopping protections system and earth dam spillways
Title of book Dams: Impacts, Stability and Design
Place of Publication Hauppauge NY, USA
Publisher Nova Science Publishers
Publication Year 2009
Sub-type Other
Year available 2009
ISBN 978-1-60692-618-5
Editor Walter P. Hayes
Michael C. Barnes
Chapter number 4
Start page 101
End page 132
Total pages 32
Collection year 2009
Language eng
Subjects 09 Engineering
0905 Civil Engineering
090509 Water Resources Engineering
Abstract/Summary A common type of water storage structures is the embankment reservoir and levees. But, during the 19th century, numerous embankment dams failed in Europe and North-America (Table 1-1, Fig. 1-1). The two most common causes of failures were dam overtopping and cracking in the earthfill. The former was often caused by inadequate spillway facility. The latter resulted from a combination of bad understanding of basic soil mechanics, poor construction standards, and piping at the connection between bottom outlet and earth material. In recent years, the design floods of a number of dams were re-evaluated and the revised flows were often larger than those used for the original designs. In many cases, the occurrence of the revised design floods would result in dam overtopping because of the insufficient storage and spillway capacity of the existing reservoir. In recent years, a number of overtopping protection systems were developed for embankments and earthfill dams. These include concrete overtopping protection systems, timber cribs, sheet-piles, riprap and gabions, reinforced earth, Minimum Energy Loss weirs, embankment overflow stepped spillways and the precast concrete block protection systems developed by the Russian engineers. After a brief discussion of the embankment overtopping breach process, several overflow protection systems are presented and detailed in the next paragraphs.
Keyword Dams
Embankment dam overflow systems
Minimum Energy Loss weir design
Concrete macro-roughness elements
Embankment overflow stepped spillways
Earth dam spillways with pre-cast concrete blocks
Design considerations
Gordon Reinecke McKay
natural dams
Landslide dams
Embankment dam overtopping breach
Q-Index Code BX
Q-Index Status Provisional Code
Additional Notes The full bibliographic details are: CHANSON, H. (2009). "Embankment Overtopping Protections System and Earth Dam Spillways." in "Dams: Impact, Stability and Design", Nova Science Publishers, Hauppauge NY, USA, Ed. W.P. Hayes and M.C. Barnes, Chapter 4, pp. 101-132 (ISBN 978-1-60692-618-5).

Document type: Book Chapter
Collection: School of Civil Engineering Publications
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Created: Sun, 01 Nov 2009, 15:55:14 EST by Hubert Chanson on behalf of School of Civil Engineering