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* Beam Arch Suspension Bridges. Beam *Arch Suspension.

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Presentation on theme: "* Beam Arch Suspension Bridges. Beam *Arch Suspension."— Presentation transcript:

1 * Beam Arch Suspension Bridges

2 Beam *Arch Suspension

3 Bridges Beam Arch *Suspension

4 Forces Managed by Bridges Compression pushes inward or toward the object’s center Tension pulling or stretching force

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6 Beam Bridge

7 I Beam Construction Building the Empire State Building Valley Fair Wild Thing Video

8 Wabasha Street Bridge St Paul, Minnesota Spanning the Mississippi Cantilever deck truss Beam Bridge 1890

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10 PRATT CURVED CHORD PRATT BALTIMORE PENNSYLVANIA(PRATT) WARREN W/O VERTICAL SUPPORTS WARREN WITH VERTICAL SUPPORTS QUADRANGULAR WARREN SUBDIVIDED WARREN TYPEs LATTICE WHIPPLE

11 The Akashi-Kaikyo Bridge in Japan, world's longest span.

12 Kingston-Rhinecliff Bridge – under deck truss

13 Elbbrücke 1990 Tangermünde – above deck truss

14 Arch

15 Catenary Arch Curve of idealized hanging chain when supported at its ends. Acted on only by its own weigh

16 Euler proved in 1744 that the catenary is the curve which, when rotated about the x-axis, gives the surface of minimum surface area (the catenoid) for the given bounding circle.

17 Arch Bridge Semicircular structure Rigid span Curving upward between two points of support Transfers the weight of the bridge and its load partially into a horizontal thrust Horizontal thrust is restrained by the abutments at either side

18 The Arkadiko Bridge in Greece Built 13th century BC One of the oldest arch bridges in existence

19 Stone Arch Roman Bridge of Córdoba, Spain. Built in the 1st century BC

20 Stone arch bridge in Shaharah, Yemen

21 Central Park NY Pedestrian Bridge

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23 The keystone is the most important stone in an arch bridge, without this stone the arch would collapse. The keystone holds the arch together.

24 Three-story Roman Pont du Gard Aqueduct

25 Gothic Arch Main portal Notre Dame, Paris 1.Construct AB. 2.Set compass to AB 3.With compass at point B, construct arc AC. 4.With compass at point A, construct arc BC.

26 Juscelino Kubitschek Bridge in Brasilia, Brazil Arch Suspension Hybrid Bridge

27 Ted Talk Suspension Bridge

28 the force exerted is uniform with respect to horizontal distance the result is a parabola

29 Primitive suspension bridge over the River Astore

30 Cable supported bridge

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32 How compelling is the need of humans to be able to move across their world?

33 Tacoma Narrows Bridge Gallopin’ Gertie

34 Draw Bridge Double leaf bascule

35 Draw Bridge Rolling lift bridge

36 Swing Bridge Moveable

37 Swing: Government Bridge Lock and Dam #15 Across Mississippi

38 Rotating Bridge of the "rue Dieu" and Canal St Martin (Paris)

39 Gatehead Gateshead Millenium Bridge

40 Falkirk Wheel Magdeburg Water Bridge

41 Falkirk Wheel

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