Composite arch structure

Details Composite arch structure Composite arch structure

E - Fixed Constructions

01

F

61/36, 61/64

E01F 5/00 (2006.01) E21D 9/00 (2006.01)

Patent

CA 1180200

COMPOSITE ARCH STRUCTURE ABSTRACT OF THE DISCLOSURE A composite arch structure and method of making it are taught. The composite arch structure comprises a pair of retaining wall portions (2,3) and a top arch portion (4) extending therebetween. A stiffening and load distributing member (10) 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 (7,8) 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° or more to the horizontal.

410729

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