Composite arch structure

Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control

Patent

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Details

405150, 52 89, F16L 922, E01G 506, E21D 900

Patent

active

043903061

ABSTRACT:
A composite arch structure and method of making it are taught. The composite arch structure comprises a pair of retaining wall portions and a top arch portion extending therebetween. A stiffening and load distributing member is structurally affixed to the top arch portion and extends longitudinally of the composite arch structure for the majority of the length of the structure. The composite arch structure preferably also includes longitudinally extending, load spreading buttress means on either side of the vertical axis of the structure at positions where a radial force acting on the structure forms an angle of about 45.degree. or more to the horizontal.

REFERENCES:
patent: 3161553 (1964-12-01), Visser
patent: 3508406 (1970-04-01), Fisher

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