Seilhängebrücke

Seilhängebrücke, translated as cable-stayed bridge, is a modern type of bridge in which the deck is supported by a number of cables that run directly from the deck to one or more towers. The cables are in tension and the towers are in compression. This arrangement allows for the construction of longer spans than is possible with simple beam bridges. The design of cable-stayed bridges involves a careful balance of forces to ensure stability and load-bearing capacity.

The first known cable-stayed bridges were built in the late 18th century, but the modern era of cable-stayed bridge design and construction began in the mid-20th century. Advances in materials science and engineering techniques, particularly in the development of high-strength steel cables and concrete, made it possible to build significantly larger and more complex structures. These bridges offer aesthetic appeal and are often chosen for their distinctive visual presence.

Cable-stayed bridges are categorized based on the arrangement of their cables. Common configurations include harp designs, where cables run parallel to each other, and fan designs, where cables converge at the top of the towers. The choice of design depends on factors such as the required span length, aesthetic considerations, and the local geological conditions. They are widely used for crossing rivers, valleys, and busy highways, offering efficient and often visually striking solutions for transportation infrastructure.