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New approach for flexible debris flow barriers

 New approach for flexible debris flow barriers
Autor(en): , , ,
Beitrag für IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015, veröffentlicht in , S. 248-254
DOI: 10.2749/222137815818357188
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Flexible debris flow protection barriers consist of a combination of steel ropes and high tensile steel wire nets following certain design criteria to provide a reliable protection against the sudd...
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Bibliografische Angaben

Autor(en): (Swiss Fed. Research Institute WSL, Birmensdorf, Switzerland)
(Geobrugg AG, Romanshorn, Switzerland)
(Emch+Berger AG Bern, Switzerland)
(Emch+Berger AG Bern, Switzerland)
Medium: Tagungsbeitrag
Sprache(n): Englisch
Tagung: IABSE Conference: Structural Engineering: Providing Solutions to Global Challenges, Geneva, Switzerland, September 2015
Veröffentlicht in:
Seite(n): 248-254 Anzahl der Seiten (im PDF): 7
Seite(n): 248-254
Anzahl der Seiten (im PDF): 7
Jahr: 2015
DOI: 10.2749/222137815818357188
Abstrakt:

Flexible debris flow protection barriers consist of a combination of steel ropes and high tensile steel wire nets following certain design criteria to provide a reliable protection against the sudden impact of a debris flow with flow heights of up to 2 m and middle front velocities of around 10 m/s in channelized river beds with widths and heights up to 30 m and 6 m. However, to go beyond the above described typical application range special design is required. In the actual case a debris retention basin with a height of 14 m and a width of 40 m was created. The contribution shows the precedent research on flexible debris flow barriers consisting of field tests and laboratory experiments, leading to the validated numerical simulations. Main focus then is the design process of the special purpose barrier, its construction together with the experiences gathered within the project leading to a not only remarkable but also elegant way to protection from impressive debris hazards.

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