Hydraulic and earth engineering – Fluid control – treatment – or containment – Flow control
Patent
1981-01-28
1983-06-28
Taylor, Dennis L.
Hydraulic and earth engineering
Fluid control, treatment, or containment
Flow control
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
Armco Inc.
Taylor Dennis L.
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