Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sirevåg Berm Breakwater, Design, Construction and Experience after Design Storm
Sirevåg harbour is located in a narrow bay on the west coast of Norway approximately 50 km south of the city of Stavanger. The area outside the harbour is an open coast with no reefs or shoals that give shelter from the waves. The wave height reducing effects are refraction and in shallow water also wave breaking. A new breakwater was constructed in Sirevåg, starting in January 2000 and completing in July 2001. The primary reason for the new breakwater was to give better protection of the harbour and to improve the sailing conditions in and out of the harbour. The breakwater was designed and constructed as a statically stable Icelandic type berm breakwater for a wave height with a 100-year return period. The design 100-year recurrence wave height at the location of the breakwater was established as Hs,100 = 7.0 m. During the first winter in service the breakwater experienced a storm reaching the design level. The breakwater survived the storm without any reshaping. However stability model tests showed that there should have been a marked recession of the berm. The apparent discrepancy between the model test results and the field behaviour of the Sirevåg berm breakwater is discussed in this paper. The construction cost for the Sirevåg berm breakwater proved to be considerably lower than reported from other projects. This is partly due to the availability of a suitable armourstone quarry and also to the maximisation of the quarry yield and the utilisation of all size grades from the quarry to the benefit the integity of the structure.
Sirevåg Berm Breakwater, Design, Construction and Experience after Design Storm
Sirevåg harbour is located in a narrow bay on the west coast of Norway approximately 50 km south of the city of Stavanger. The area outside the harbour is an open coast with no reefs or shoals that give shelter from the waves. The wave height reducing effects are refraction and in shallow water also wave breaking. A new breakwater was constructed in Sirevåg, starting in January 2000 and completing in July 2001. The primary reason for the new breakwater was to give better protection of the harbour and to improve the sailing conditions in and out of the harbour. The breakwater was designed and constructed as a statically stable Icelandic type berm breakwater for a wave height with a 100-year return period. The design 100-year recurrence wave height at the location of the breakwater was established as Hs,100 = 7.0 m. During the first winter in service the breakwater experienced a storm reaching the design level. The breakwater survived the storm without any reshaping. However stability model tests showed that there should have been a marked recession of the berm. The apparent discrepancy between the model test results and the field behaviour of the Sirevåg berm breakwater is discussed in this paper. The construction cost for the Sirevåg berm breakwater proved to be considerably lower than reported from other projects. This is partly due to the availability of a suitable armourstone quarry and also to the maximisation of the quarry yield and the utilisation of all size grades from the quarry to the benefit the integity of the structure.
Sirevåg Berm Breakwater, Design, Construction and Experience after Design Storm
Sigurdarson, Sigurdur (Autor:in) / Jacobsen, Arnold (Autor:in) / Smarason, Omar Bjarki (Autor:in) / Bjørdar, Sverre (Autor:in) / Viggosson, Gisli (Autor:in) / Urrang, Christen (Autor:in) / Tørum, Alf (Autor:in)
Coastal Structures 2003 ; 2003 ; Portland, Oregon, United States
Coastal Structures 2003 ; 1212-1224
28.09.2004
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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