The bypass tunnel of the Auburn Dam
The bypass tunnel used during the construction
period. The construction of the dam stopped and
since then the tunnel has been leading the waters
through the mountain. This tunnel was designed
probably for a 20-year flood. 25 years later
(approximately) a flood bigger than the design flood of
the tunnel occurred and caused the overtopping and
failure of the embankment used during construction.
The embankment was totally eroded in one side.
period. The construction of the dam stopped and
since then the tunnel has been leading the waters
through the mountain. This tunnel was designed
probably for a 20-year flood. 25 years later
(approximately) a flood bigger than the design flood of
the tunnel occurred and caused the overtopping and
failure of the embankment used during construction.
The embankment was totally eroded in one side.
References:
Information collected during the field trip in the Sierra Nevada, as part of the "Engineering Geology" course curriculum, instructed by
Professor N. Sitar, Department of Civil & Environmental Engineering, University of California at Berkeley.
Information collected during the field trip in the Sierra Nevada, as part of the "Engineering Geology" course curriculum, instructed by
Professor N. Sitar, Department of Civil & Environmental Engineering, University of California at Berkeley.
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