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Although there is great variety between different balsa wood bridge projects, students are in general trying to build a bridge that can withstand the greatest weight before it fails. Other restrictions are often applied, but these vary widely from one contest to another. Sample requirements include: restricting the maximum mass of the bridge
A spaghetti bridge is an architectural model of a bridge, made of uncooked spaghetti or other hard, dry, straight noodles. Bridges are constructed for both educational experiments and competitions. The aim is usually to construct a bridge with a specific quantity of materials over a specific span, that can sustain a load.
The Troitsky Bridge Building Competition is an annual event that takes place at Concordia University in Montreal, Quebec, Canada in the spring. Participating teams of engineering students come from universities across Canada and the United States. They design and build model bridges out of popsicle sticks, toothpicks, white glue and dental floss.
Beam bridges are the simplest structural forms for bridge spans supported by an abutment or pier at each end. [1] No moments are transferred throughout the support, hence their structural type is known as simply supported. The simplest beam bridge could be a log (see log bridge), a wood plank, or a stone slab (see clapper bridge) laid
The bridge project, part of the state’s highway priority program, was set to receive a significant portion of this funding under a 2021 law allocating up to 75% of sub-fund revenues for capital ...
The bridge may be stiffened by the addition of cables that do not bear the primary structural or live loads and so may be relatively light. These also add stability in wind. An example is the 220-meter-long (720 ft) bridge across the river Drac at Lac de Monteynard-Avignonet: this bridge has stabilizing cables below and to the side of the deck.
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The Xiao Bridge, constructed in 1470, has a free height of 7.2 meters with an arch thickness of only 20 centimeters, which is half the thickness of a typical arch. [28] It remains in use today, supporting contemporary traffic. Another noteworthy bridge from this period is the Gao-po Bridge, situated in Yongding and constructed in 1477. It has a ...