Rectilinear culvert structure

Details Rectilinear culvert structure Rectilinear culvert structure

E - Fixed Constructions

01

F

61/36

E01F 5/00 (2006.01)

Patent

CA 1255112

ABSTRACT A three-sided, rectilinear bridge or culvert structure comprises a pair of vertical side walls set in preformed or cast in place footers or existing supports and an integral, planar, horizontal span. Integrally cast haunches having curved or planar faces are disposed at the inside corners of the side walls and span and extend farther along the span than the side walls. The footers preferably include a side wall receiving channel on their upper surfaces. There is no lower or bottom portion of the structure such as is found in conventional box culverts and thus, that region between the footers and side walls is open and readily permits water flow through the structure in its natural watercourse, lessening the likelihood of debris collection within the structure. The structure is cast concrete reinforced with conventional reinforcing bar or welded wire mesh. A side range of rise/span (height/width) proportions may be accommodated in structures having spans up to about thirty feet.

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