Floating Cable-stayed Bridge
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A floating cable-stayed bridge is a type of
cable-stayed bridge A cable-stayed bridge has one or more ''towers'' (or ''pylons''), from which wire rope, cables support the bridge deck. A distinctive feature are the cables or wikt:stay#Etymology 3, stays, which run directly from the tower to the deck, norm ...
where the towers float on tension-leg submerged material,
tethered A tether is a cord, fixture, or flexible attachment that characteristically anchors something movable to something fixed; it also may be used to connect two movable objects, such as an item being towed by its tow. Applications for tethers incl ...
to the
seabed The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as seabeds. The structure of the seabed of the global ocean is governed by plate tectonics. Most of ...
for
buoyancy Buoyancy (), or upthrust, is the force exerted by a fluid opposing the weight of a partially or fully immersed object (which may be also be a parcel of fluid). In a column of fluid, pressure increases with depth as a result of the weight of t ...
. No floating cable-stayed bridge has been made or planned, but a
floating suspension bridge A floating suspension bridge is a type of suspension bridge supported by towers built on floating pontoons which are tethered to the seabed. The design is intended to overcome the difficulties of building suspension towers in locations where t ...
has been planned in
Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...
. This bridge could be more stable horizontally across the bridge than floating suspension bridges. The lateral forces from the wind and water pose a problem, which could be solved by placing tethered cables at different angles from the floating platform to the seabed.https://www.researchgate.net/publication/348972910_Dynamic_Behavior_of_a_Long-Span_Cable-Stayed_Bridge_with_Floating_Towers_after_the_Sudden_Failure_of_Tethers_and_Cables_Under_Irregular_Waves


See also

*
Cable-stayed suspension bridge A cable-stayed suspension bridge or CSS bridge merges the designs of cable-stayed bridges and suspension bridges. The suspension bridge's architecture is better at handling the load in the middle of the bridge, while the cable stayed bridge is b ...
*
Floating suspension bridge A floating suspension bridge is a type of suspension bridge supported by towers built on floating pontoons which are tethered to the seabed. The design is intended to overcome the difficulties of building suspension towers in locations where t ...
* List of cable-stayed bridges in the United States *
List of longest cable-stayed bridge spans This list ranks the world's cable-stayed bridges by the length of main span, i.e. the distance between the suspension towers. The length of the main Span (engineering), span is the most common way to rank cable-stayed bridges. If one bridge has a l ...
*
List of longest suspension bridge spans The world's longest suspension bridges are listed according to the length of their main span (i.e., the length of suspended roadway between the bridge's towers). The length of the main span is the most common method of comparing the sizes of ...
* List of straits


References

{{reflist Bridges by structural type Structural engineering