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A retractable roof is a roof system designed to roll back the roof of a structure so that the interior of the facility is open to the outdoors. [1] Retractable roofs are sometimes referred to as operable roofs or retractable skylights. The term operable skylight, while quite similar, refers to a skylight that opens on a hinge, rather than on a ...
Barrel, barrel-arched (cradle, wagon): A round roof like a barrel (tunnel) vault. Catenary: An arched roof in the form of a catenary curve. Arched roof, bow roof, [11] Gothic, Gothic arch, and ship's bottom roof. Historically also called a compass roof. [12] [13] Circular Bell roof (bell-shaped, ogee, Philibert de l'Orme roof): A bell-shaped roof.
Tunnel Construction. Tunnels are dug in types of materials varying from soft clay to hard rock. The method of tunnel construction depends on such factors as the ground conditions, the ground water conditions, the length and diameter of the tunnel drive, the depth of the tunnel, the logistics of supporting the tunnel excavation, the final use and shape of the tunnel and appropriate risk management.
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The nesting of row covers and low tunnels inside high tunnels is also common. [1] Superbay Polytunnel at Van Arnham Nurseries. Polytunnels can be used to provide a higher temperature and/or humidity than that which is available in the environment but can also protect crops from intense heat, bright sunlight, winds, hailstones, and cold waves.
The retractable roof was designed by structural engineering firm Walter P Moore and the systems were implemented by mechanization consultants Uni-Systems. The electrification of Cowboys Stadium's retractable roof was developed by VAHLE, Inc. [ 26 ] These kinetic architecture fundamentals are employed to create quick conversions of the facility ...
Only domed and retractable roof stadiums are included, i.e. stadiums that cover both spectators and playing field. Wembley Stadium in London, which seats 90,000 spectators, is not included as the roof can only be partially closed. The stadiums are divided into current stadiums, closed stadiums, and future stadiums (those currently under ...
This is a list of sports venues that allow for both indoor and outdoor sporting events because they have a retractable roof. Subcategories This category has the following 5 subcategories, out of 5 total.