By Holger Svensson

The necessity for large-scale bridges is consistently becoming as a result of the huge, immense infrastructure improvement worldwide. because the Seventies a lot of them were cable-stayed bridges. In 1975 the biggest span size used to be 404 m, in 1995 it elevated to 856 m, and this day it's 1104 m. therefore the economically effective diversity of cable-stayed bridges is tending to maneuver in the direction of even better spans, and cable-stayed bridges are more and more the point of interest of curiosity worldwide.
This e-book describes the basics of layout research, fabrication and development, within which the writer refers to 250 outfitted examples to demonstrate all elements. foreign or nationwide codes and technical rules are observed purely as examples, similar to bridges that have been designed to German DIN, Eurocode, AASHTO, British criteria. The chapters on cables and erection are a huge concentration of this paintings as they characterize crucial distinction from different varieties of bridges.
The examples have been selected from the bridges within which the writer was once in my view concerned, or the place the consulting engineers, Leonhardt, Andr? and companions (LAP), participated considerably. different bridges are integrated for his or her targeted structural features or their list span lengths. crucial layout engineers also are presented.

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An investigation of the remaining northern half of the bridge did not show any weak spots. Bandhauer was thus completely absolved in May 1829. 2012 13:12:10 Uhr 50 This terrible accident was the reason that the development of stayed bridges was held up in Germany for about 125 years until the Düsseldorf Bridge Family in the early 1950s. 7], in 1821, Robert Stephenson dealt with the state of the art of cable-supported bridges, Fig. 15, and evaluated the collapse of the First Dryburgh Abbey Bridge.

The concrete roadway slab distributes the local wheel loads. The governing characteristic of the beam for the Helgeland Bridge in Norway is its compression resistance, Fig. 90. It was, therefore, built in concrete. 2 m for the main span of 425 m is sufficient to carry the bending moments and to ensure safety against buckling. This results in a record slenderness of 1 : 355. It becomes evident that concrete bridge girders are not necessarily clumsy. The Rhine River Bridge at Flehe uses a good combination of materials with steel for the main span beam and concrete for the approach beam as counterweight for the main span, Fig.

All that was missing for a modern cable-stayed system was the controlled stressing of the stays. The final step was taken by the Spanish engineer Eduardo Torroja, Fig. 27], with the Tempul Aqueduct in 1926. This bridge was originally planned as a continuous girder with two piers in the main span. When it became clear that these piers could not be built due to bad soil conditions, he replaced them by single forestays and backstays. 49. 28]. In 1938 the German engineer Franz Dischinger, Fig. 50, designed a high-level railway bridge across the Elbe River near Hamburg.

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Cable-Stayed Bridges: 40 Years of Experience Worldwide by Holger Svensson
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