Span-by-Span Erection of Precast Segmental Bridges: Underslung Self-Launching Gantries

Span-by-Span Erection of Precast Segmental Bridges: Underslung Self-Launching Gantries

21 pages

Regular price $ 25.00 Sale

Span-by-span erection is the most common construction method for precast segmental bridges, and the underslung gantries are the simplest, least expensive, and sometimes most efficient self-launching machines for span-by-span erection.

In 21 pages, the eManual provides exhaustive coverage of span-by-span erection of precast segmental bridges with underslung self-launching gantries. It explores the loads, kinematics, support and launch systems, and performance and productivity of these machines. It also discusses span assembly, the stiffness interactions to consider for the design of piers and superstructures, and staged application of post-tensioning to avoid decompression of epoxy joints and the risk of brittle span failure.

  • Introduction
  • Loading, kinematics, typical features
  • Support, launch and lock systems
  • Performance and productivity
  • Structure-equipment interaction
  • References

The eManual provides exhaustive coverage of the topic for bridge owners, designers and construction professionals interested in span-by-span construction of precast segmental bridges. Other monographs of the eManuals Project discuss segment fabrication, the span assembly operations common to all families of self-launching gantries, and the other types of self-launching gantries used for span-by-span construction.

The collection Span-by-Span Construction of Precast Segmental Bridges (134 pages) provides exhaustive coverage of the topic, ranging from segment fabrication by short- and long-line casting to the different types of self-launching gantries used for span erection, and is offered with 10% discount on the cover price of the five eManuals.

This purchase comes with one month of complimentary access to the exclusive articles and free publications of the Bridge Club. See below a selection of related articles.


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The titles below are a selection for further reading on the topic. The eManuals Project offers courses, eManuals and a rich collection of exclusive articles and free publications. The project’s Newsletter reaches thousands of bridge owners, designers and construction professionals in every corner of the world. I do encourage you to discover the full potential of the eManuals Project and the wealth of knowledge, learning and insights that it can bring to your firm, agency and professional career.

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