By Niels J. Gimsing; Christos T. Georgakis;

Fourteen years on from its final variation, Cable Supported Bridges: inspiration and layout, 3rd variation, has been considerably up to date with new fabric and fresh imagery all through. because the visual appeal of the second one version, the focal point at the dynamic reaction of cable supported bridges has elevated, and this improvement is known with new chapters, masking bridge aerodynamics and different dynamic subject matters corresponding to pedestrian-induced vibrations and bridge monitoring.
his publication concentrates at the synthesis of cable supported bridges, suspension in addition to cable stayed, protecting either layout and building features. The emphasis is at the conceptual layout part the place the most gains of the bridge could be decided. in keeping with comparative analyses with really easy mathematical expressions, the several structural varieties are quantified and initial optimization confirmed. this gives a primary estimate on dimensions of the most load wearing components to provide in an preliminary enter for mathematical laptop versions utilized in the unique layout phase.
Key features:
- Describes evolution and developments in the layout and development of cable supported bridges
- Describes the reaction of constructions to dynamic activities that experience attracted becoming cognizance in contemporary years
- Highlights gains of the several structural parts and their interplay within the complete structural system
- provides basic mathematical expressions to offer a primary estimate on dimensions of the burden wearing components for use in an preliminary machine input
This entire assurance of the layout and development of cable supported bridges offers a useful, attempted and demonstrated source for lecturers and engineers.

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Additional info for Cable Supported Bridges Concept and Design, 3 edition

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The stiffening girder contained two plate girders positioned outside the cable planes to allow an ‘invisible’ anchoring of the stays inside the plate girders. The start of a new era for cable stayed bridges was to a large extent due to the improved technique of structural analysis allowing calculation of cable forces throughout the erection period and thereby assuring the efficiency of all cables in the final structure. Such calculations were made systematically for the first time in connection with the erection of the Str€omsund Bridge.

4 m, corresponding to a depth-to-span ratio of 1:120. 38). This bridge had the same centrally arranged cable plane, but here the cable system was of the harp configuration with two sets of stays connected to each pylon. Each stay comprised two individual cables composed of 19 locked-coil strands. 2 m deep box girder with large overhangs of the roadway. To reduce the moments in the cantilevered cross beams, inclined struts are added from the bottom of the main box girder to the cross beam near its tip.

Regarded as a plane system, the Str€omsund Bridge is statically indeterminate to the eighth degree, but by dividing the loading into a symmetrical and an antisymmetrical part, the number of redundants could be reduced to four. 27 Duisburg–Ruhrort Bridge across the Rhine (Germany) within acceptable limits for the numerical work that could be performed by the slide rule and the mechanical calculators available at the beginning of the 1950s. In the case of the Str€omsund Bridge the design could be based, with sufficient accuracy, on a plane analysis for each cable system, as the stiffening girder with its two I-shaped plate girders had an insignificant torsional stiffness allowing the forces acting on the bridge deck to be distributed transversally onto the two cable planes by the lever arm principle.

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Cable Supported Bridges Concept and Design, 3 edition by Niels J. Gimsing; Christos T. Georgakis;


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