Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Stabilizing the Spillway Section Foundation at Pueblo Dam
During the original construction of Pueblo Dam, a deep plunge pool was excavated at the toe of the massive head buttresses forming the spillway section of the dam. This section is founded on horizontally bedded sandstone and shale. While the original design engineers recognized the presence of a thick shale bed under the right-most spillway buttresses, and took measures to treat it, many thin shale beds and a continuous open sandstone parting went untreated. Dam safety evaluations indicated the potential for high risk due to sliding on the untreated planes daylighting in the plunge pool, if the reservoir exceeded the historical maximum level. To reduce this risk, the plunge pool was filled with roller-compacted concrete, and rock bolts were installed. Installation of a reinforced concrete slab and impact blocks on top of the RCC resulted in improved hydraulics for the spillway.
Stabilizing the Spillway Section Foundation at Pueblo Dam
During the original construction of Pueblo Dam, a deep plunge pool was excavated at the toe of the massive head buttresses forming the spillway section of the dam. This section is founded on horizontally bedded sandstone and shale. While the original design engineers recognized the presence of a thick shale bed under the right-most spillway buttresses, and took measures to treat it, many thin shale beds and a continuous open sandstone parting went untreated. Dam safety evaluations indicated the potential for high risk due to sliding on the untreated planes daylighting in the plunge pool, if the reservoir exceeded the historical maximum level. To reduce this risk, the plunge pool was filled with roller-compacted concrete, and rock bolts were installed. Installation of a reinforced concrete slab and impact blocks on top of the RCC resulted in improved hydraulics for the spillway.
Stabilizing the Spillway Section Foundation at Pueblo Dam
Scott, Gregg A. (Autor:in) / Trojanowski, John (Autor:in)
Biennial Geotechnical Symposium 2004 ; 2004 ; Denver, Colorado, United States
H2GEO ; 55-65
08.10.2004
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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