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2. Waldo–Hancock Bridge - Wikipedia

   en.wikipedia.org/wiki/Waldo–Hancock_Bridge

   Workers placed two groups of four strands 12 feet (3.7 m) above each main cable to allow for pulls. Each strand weighs 4 tons (3.6 metric tons). A rope pull was walked across, connected to a 7 ⁄ 8 -inch-diameter (2.2 cm) pull cable, then winched back across and connected to the strand, which was fed through a tensioner holding back about ...

3. Deck (bridge) - Wikipedia

   en.wikipedia.org/wiki/Deck_(bridge)

   A grid deck uses beams and diaphragms as the supporting structure. The supporting system of a grid deck is analyzed using a grillage analysis. A slab deck is one where the deck is analyzed as a plate. If the slab has a stiffness that is different in two directions (at right angles), then the deck is known and analyzed as an orthotropic deck.

4. Tacoma Narrows Bridge (1950) - Wikipedia

   en.wikipedia.org/wiki/Tacoma_Narrows_Bridge_(1950)

   Next, a series of eight 18-inch-deep (46 cm) I-beam "stringers" were installed (positioned longitudinally). This was the final steelwork step involved, and the deck was soon raised 1 foot 6 inches (0.46 m) on each corner to attach the suspender cables and their "jewels" [clarification needed] to the vertical stiffening truss members.

5. I-35W Mississippi River bridge - Wikipedia

   en.wikipedia.org/wiki/I-35W_Mississippi_River_bridge

   The transverse deck beams, part of the deck truss, rested on top of the main trusses. These deck beams supported longitudinal deck stringers 27 inches (69 cm) in depth, and reinforced-concrete pavement. [25] [32] The deck was 113 ft 4 in (34.54 m) in breadth and was split longitudinally. It had transverse expansion joints at the centers and ...

6. Howe truss - Wikipedia

   en.wikipedia.org/wiki/Howe_truss

   Building the deck for a railroad bridge requires that a stringer lie directly beneath each rail, and that a stringer support each end of the railroad ties. Ties are usually 6 by 8 inches (150 by 200 mm) in cross-section, and 9 to 12 feet (2.7 to 3.7 m) in length. They are set directly on top of the stringers, about 12 inches (300 mm) apart.

7. 30 Christmas Traditions From Around the World - AOL

   www.aol.com/30-christmas-traditions-around-world...

   Indeed, quirky localizations of the festive season come from all over. Here’s a look at some of the foods, stories, and customs that shape how Christmas is observed around the world.