LONG-SPAN REINFORCED STEEL BOX CULVERTS
A comprehensive investigation of soil-metal structure interaction for long-span deep-corrugated reinforced steel box culverts was carried out in a project sponsored by the National Research Council of Canada in 1996. Two 12-m span box culverts were erected at a Dorchester, New Brunswick, test site using two backfill densities, one structural steel plate thickness, and a minimum cover of 300 mm. These structures are the largest steel box culverts erected to date. One structure was reinforced using continuous deep-corrugated crown stiffeners, and the other was intermittently reinforced using composite concrete metal-encased stiffeners. Strain and deflection of the structure were monitored in response to static axle loads positioned at six locations on the test surface. A finite element model was then used in numerical simulations of the soil-metal structure system. The measured culvert response was then compared with results from the finite element model. A nonlinear soil-structure interaction program (NLSSIP) was used to analyze the two long-span box culverts. NLSSIP was developed specifically for long-span soil-metal culverts and has been used for structures with and without stiffeners. The box culvert test provided a definitive relationship between soil stiffness and metal structure stiffness. The test was the first and evaluated intermittently reinforced composite concrete metal-encased stiffeners relative to conventional continuous reinforcement. The performance of the two types of stiffeners is evaluated and recommendations are made for future design and installation of long-span deep-corrugated steel box culverts.
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Availability:
- Find a library where document is available. Order URL: http://worldcat.org/isbn/0309064694
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Supplemental Notes:
- This paper appears in Transportation Research Record No. 1624, Structural Analysis and Design: Bridges, Culverts, and Pipes.
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Corporate Authors:
500 Fifth Street, NW
Washington, DC United States 20001 -
Authors:
- MCCAVOUR, T C
- Byrne, P M
- Morrison, T D
- Publication Date: 1998
Language
- English
Media Info
- Features: Figures; References; Tables;
- Pagination: p. 184-195
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Serial:
- Transportation Research Record
- Issue Number: 1624
- Publisher: Transportation Research Board
- ISSN: 0361-1981
Subject/Index Terms
- TRT Terms: Axle load force; Backfilling; Box culverts; Corrugated metal culverts; Deflection; Density; Finite element method; Long span; Material reinforcement; Performance evaluations; Soil structure interaction; Stiffeners (Plates); Strain (Mechanics); Structural analysis; Structural mechanics; Thickness
- Uncontrolled Terms: Cover depth; Structural response
- Geographic Terms: Dorchester (Canada)
- Old TRIS Terms: Backfills; Stiffeners; Strains
- Subject Areas: Bridges and other structures; Geotechnology; Highways; I20: Design and Planning of Transport Infrastructure; I42: Soil Mechanics;
Filing Info
- Accession Number: 00756087
- Record Type: Publication
- ISBN: 0309064694
- Files: TRIS, TRB
- Created Date: Nov 3 1998 12:00AM