A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Integral Abutments
An integral bridge is a single or multiple-span structure that is cast monolithically to its abutments. Stub abutments supported on a single row of vertical piles create a flexible connection that can accommodate the longitudinal displacements of the superstructure. The primary purpose of using integral abutments is the elimination of deck-movement joints and bearings that have been found expensive to maintain. This research project is centered on the evaluation of integral abutments as a design alternative to the use of bearings in medium-length highway bridges. It includes: (1) an extensive literature search; (2) the instrumentation of Scotch-Road Bridge in Trenton, N.J. to obtain strain data on the piles, displacement and rotation data on the abutment, soil-pressure data on the abutments and the MSE wall, and strain data on deck connection; and (3) a finite element model of the system. The end result is the recommended design procedure for integral abutments of highway bridges. Integral abutments have been found to be a safe alternative design. A step-by-step design procedure for piles to withstand the horizontal thermal loading is included.
Evaluation of Integral Abutments
An integral bridge is a single or multiple-span structure that is cast monolithically to its abutments. Stub abutments supported on a single row of vertical piles create a flexible connection that can accommodate the longitudinal displacements of the superstructure. The primary purpose of using integral abutments is the elimination of deck-movement joints and bearings that have been found expensive to maintain. This research project is centered on the evaluation of integral abutments as a design alternative to the use of bearings in medium-length highway bridges. It includes: (1) an extensive literature search; (2) the instrumentation of Scotch-Road Bridge in Trenton, N.J. to obtain strain data on the piles, displacement and rotation data on the abutment, soil-pressure data on the abutments and the MSE wall, and strain data on deck connection; and (3) a finite element model of the system. The end result is the recommended design procedure for integral abutments of highway bridges. Integral abutments have been found to be a safe alternative design. A step-by-step design procedure for piles to withstand the horizontal thermal loading is included.
Evaluation of Integral Abutments
S. Hassiotis (author) / Y. Khodair (author) / E. Roman (author) / Y. Dehne (author)
2006
196 pages
Report
No indication
English
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