Open Spandrel
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Open Spandrel
Open Spandrels are a type of arch bridge that have become increasingly popular in modern architecture and bridge engineering. They are known for their unique appearance, with the arch of the bridge visible on the outside and the spandrels visible on the inside. The spandrels are the triangular portions of the bridge that are located between the arch and the horizontal deck. The open design of these bridges allows for more light to pass through, which can be beneficial in areas where natural light is limited. One of the advantages of Open Spandrel bridges is their affordability. They are typically less expensive to construct than other types of arch bridges because they require less material. Additionally, they are durable and require minimal maintenance, making them a cost-effective choice for many bridge projects. Another advantage of Open Spandrel bridges is their ease of fabrication. Because they are made from precast concrete or steel, they can be manufactured off-site and then transported to the construction site for assembly. This can significantly reduce the amount of time required for construction, which can be beneficial in areas where traffic disruptions need to be minimized. Despite their advantages, Open Spandrel bridges do have some limitations. They are not suitable for all types of sites, particularly those with unstable soils or steep slopes. Additionally, their open design can make them more susceptible to wind and seismic forces, which can be a concern in areas with high winds or seismic activity. In conclusion, Open Spandrel bridges are a popular choice for modern architecture and bridge engineering due to their unique appearance, affordability, durability, and ease of fabrication. However, they may not be suitable for all sites and may require additional design considerations to address wind and seismic forces.
arch bridge, spandrels, precast concrete, steel, durability
CITATION : "Daniel White. 'Open Spandrel.' Design+Encyclopedia. https://design-encyclopedia.com/define/open-spandrel?E=312831 (Accessed on October 14, 2026)"
Open Spandrel
Open Spandrels are an integral part of modern architecture, particularly in the area of bridge engineering. It is a type of arch bridge that uses masonry to transfer its weight onto the abutments or piers at either end of the bridge. Unlike traditional arch bridges that rely solely on the strength of their arches, Open Spandrels also use piers and abutments to support the weight of the bridge. Open Spandrels are known for their distinctive appearance, with the arch of the bridge visible on the outside and the spandrels or triangular portions of the bridge visible on the inside. The openness of the bridge allows for more light to pass through, as opposed to traditional arch bridges, making it an ideal choice for lighting up dark areas or providing additional visual interest to a given space. Open Spandrels are a popular choice for bridges due to their affordability, durability and ease of fabrication.
Open Spandrels, Masonry, Arch Bridge, Abutments, Piers.
Open Spandrel on Design+Encyclopedia
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