POST-TENSIONED SLAB BRIDGE WITH BANDED TRANSVERSE TENDONS
A large, two-span 3/10 scale model of a posttensioned slab bridge is constructed in a laboratory. The moderately thick slab rests directly on columns without bent caps. Dimensions of the slab are 16.9-by-5.33-by-0.299 m. In addition to uniformly distributed longitudinal posttensioning, a band of tendons is placed in a narrow region directly above the supporting columns. A large array of strain gages, linear variable differential transformers, and load cells serve to gather data. Response of the structure is monitored for dead, live, and prestressing loads. Both short- and long-term effects of these loads are of interest. Special attention is given to the distribution of strain in the slab because of transverse prestressing. American Association of State Highway and Transportation Officials lane loads are applied statically. Shear lag at the edges of the banded region is considered. Complementary finite element analyses of the slab responses to loadings are also presented.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/oclc/13846957
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Corporate Authors:
American Concrete Institute (ACI)
38800 Country Club Drive
Farmington Hills, MI United States 48331 -
Authors:
- Roschke, P N
- Pruski, Kevin R
- Publication Date: 2000-1
Language
- English
Media Info
- Features: Figures; Photos; References; Tables;
- Pagination: p. 3-10
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Serial:
- ACI Structural Journal
- Volume: 97
- Issue Number: 1
- Publisher: American Concrete Institute (ACI)
- ISSN: 0889-3241
- Serial URL: http://www.concrete.org/PUBS/JOURNALS/SJHOME.ASP
Subject/Index Terms
- TRT Terms: Bridge decks; Bridges; Columns; Data collection; Deflection; Design load; Finite element method; Laboratory tests; Live loads; Load cells; Posttensioning; Prestressing; Scale models; Shear properties; Shrinkage; Simulation; Slabs; Steel; Strain (Mechanics); Strain gages; Stresses; Structural analysis; Tendons (Materials)
- Identifier Terms: American Association of State Highway and Transportation Officials
- Subject Areas: Bridges and other structures; Design; Highways; I24: Design of Bridges and Retaining Walls;
Filing Info
- Accession Number: 00789047
- Record Type: Publication
- Contract Numbers: CMS-9640570, CMS-9540657, CMS-9401211
- Files: TRIS
- Created Date: Mar 28 2000 12:00AM