Feasibility of incorporating the concept of demountable (modular) construction to an existing integral bridge design
H. Sushin (TU Delft - Civil Engineering & Geosciences)
Herbert van der Ham – Mentor (TU Delft - Concrete Structures)
Yuguang Yang – Graduation committee member (TU Delft - Concrete Structures)
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Abstract
Adopt the concept of demountable and rebuildable brides to an existing idea of an integral bridge. An understanding of the different forces and moments that the bridge will have to take up and how the critical connections (deck-abutment) can be realized. Applying the understanding of how integral and demountable bridges behave and try to integrate the characteristics of both to achieve rebuildable/demountable construction. In this additional thesis, the first steps to make an integral bridge demountable is looked at in detail. The concepts of vertical prestressing with unbonded bars are explored to achieve the demountable abutment, and abutment- deck connection. The different forces that arise due to this method of prestressing have been accounted for to ensure the basic safety of this design is met.