Types of arch bridge Arch bridge

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1 types of arch bridge

1.1 corbel arch bridge
1.2 aqueducts , canal viaducts
1.3 deck arch bridge
1.4 through arch bridge
1.5 tied-arch bridge





types of arch bridge
corbel arch bridge



























the corbel arch bridge masonry, or stone, bridge each successively higher course (layer) cantilevers more previous course. steps of masonry may trimmed make arch have rounded shape. corbel arch not produce thrust, or outward pressure @ bottom of arch, , not considered true arch. more stable true arch because not have thrust. disadvantage type of arch not suitable large spans.


aqueducts , canal viaducts




















in locations necessary span wide gap @ relatively high elevation, such when canal or water supply must span valley. rather building extremely large arches, or tall supporting columns (difficult using stone), series of arched structures built 1 atop another, wider structures @ base. roman civil engineers developed design , constructed highly refined structures using simple materials, equipment, , mathematics. type still used in canal viaducts , roadways has pleasing shape, particularly when spanning water, reflections of arches form visual impression of circles or ellipses.



deck arch bridge




















type of bridge comprises arch deck above arch. area between arch , deck known spandrel. if spandrel solid, case in masonry or stone arch bridge, bridge called closed-spandrel deck arch bridge. if deck supported number of vertical columns rising arch, bridge known open-spandrel deck arch bridge. alexander hamilton bridge example of open-spandrel arch bridge. finally, if arch supports deck @ top of arch, bridge called cathedral arch bridge.








through arch bridge







cotter bridge, through arch bridge has open spandrels


this type of bridge has arch base @ or below deck, top rises above it, deck passes through arch. central part of deck supported arch via suspension cables or tie bars, tied-arch bridge. ends of bridge may supported below, deck arch bridge. part supported arch below may have spandrels closed or open.


the sydney harbour bridge through arch bridge uses truss type arch.


tied-arch bridge

also known bowstring arch, type of arch bridge incorporates tie between 2 opposite ends of arch. tie deck , capable of withstanding horizontal thrust forces exerted on abutments of arch bridge.


the deck suspended arch. arch in compression, in contrast suspension bridge catenary in tension. tied-arch bridge can through arch bridge.
















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