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US 2021/0062452 A1Published application
Culvert system with flexible toe wall
AssigneeContech Engineered Solutions LLC
InventorsDarrell J. Sanders, Brian N. Flint
Life of this patent
Estimating the term…
Abstract
A culvert system includes a flexible toe wall that connects to and extends down from the bottom of the culvert. The flexible toe wall is capable of readily conforming to various shapes of the trench conditions provided to receive the toe wall, before or as the trench is backfilled.
Claims20
A culvert system, comprising:
- a culvert structure defining a through passage from an inlet end to an outlet end, the culvert structure including an invert;
- a flexible toe wall connected at one of the inlet end or the outlet end of the culvert structure, the flexible toe wall extending downward from the invert, wherein the flexible toe wall is comprised of a flexible water impermeable material.
The culvert system 9, wherein one or more portions of the flexible toe wall extend behind a mount plane of the flexible toe wall.
A method of installing a culvert structure, comprising:
- placing a culvert structure along a water flow path with an inlet end of the culvert structure at an upstream side of a flow direction of the water flow path;
- providing a trench along the inlet end of the culvert structure, the trench including a downstream side wall and an upstream side wall;
- placing a flexible toe wall that is connected to the inlet end of the culvert structure within the trench;
- back filling a material into the trench on an upstream side of the flexible toe wall.
1 more element
A culvert assembly, comprising:
- a culvert structure defining a through passage from an inlet end to an outlet end, the culvert structure including an invert;
- a first flexible toe wall at the inlet end of the culvert structure, the first flexible toe wall extending downward from the invert;
- a second flexible toe wall at the outlet end of the culvert structure, the first flexible toe wall extending downward from the invert.
Dependencies are inferred from the claim text.