首页|Hydraulic Model Investigation: Walnut Creek Flood-Control Project Contra Costa County, California
Hydraulic Model Investigation: Walnut Creek Flood-Control Project Contra Costa County, California
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Tests were conducted on a 1:25-scale model of the Walnut Creek channel to determine the adequacy of proposed channel improvements for the Walnut Creek channel, the San Ramon Bypass Channel, and their junction. The model reproduced approximately 1,084 ft of the San Ramon Bypass Channel, 730 ft of the Walnut Creek channel upstream from the junction, with topography reproduced upstream from the entrance to the revised channel, and 640 ft of the existing Walnut creek channel downstream from the junction. The model was constructed so that the slopes of the channels could be adjusted to reproduce various energy gradients equivalent to those resulting from different prototype Manning's n roughness factors.
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