Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1992-07-14
1993-10-12
Corbin, David H.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
405124, 4051501, E01F 500
Patent
active
052520021
ABSTRACT:
A natural bottom culvert and installation method that preserves the in-stream environment for fish to spawn, forage and migrate, while being able to withstand high-water levels. The culvert has an arch-shaped member that is placed over the stream in connection with elongate footings placed on terraces prepared on each stream bank. The footings have a plurality of apertures spaced along their elongate dimensions. Anchor posts are driven into the terraces through the apertures and affixed to the footings. Fill material is placed over this assembly and a road is constructed over the fill material.
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