THE FORCES ON RIGID CULVERTS UNDER HIGH FILLS

THE FORCES ACTING ON THE BARREL OF A RIGID CULVERT DUE TO THE DEAD LOAD OF A HIGH FILL DEPEND UPON THE CONSTRUCTION METHOD, THE PRESENCE OF HETEROGENEOUS INCLUSIONS OR ORGANIC MATERIAL, THE MATERIAL OF THE EARTHS CRUST, THE FILL PROPERTIES AND FILL AND CULVERT GEOMETRIES. THESE FEATURES ARE ACCOUNTED FOR BY THE FINITE-ELEMENT METHOD FOR OBTAINING APPROXIMATE SOLUTIONS TO LINEAR ELASTICITY PROBLEMS. THE ANALYTICAL METHODS ARE APPLIED TO AN ACTUAL EMBANKMENT OVER A RIGID CULVERT, THE BARREL OF WHICH WAS INSTRUMENTED WITH PRESSURE METERS. THE ANALYTICAL RESULTS FOR TWO CONDITIONS OF THE EARTHS CRUST, VARIOUS FILL PROPERTIES AND FOR A HAY BLOCK DELIBERATELY PLACED ABOVE THE CROWN OF THE CULVERT /AS IN THE ACTUAL CONSTRUCTION/ ARE COMPARED WITH THE RECORDED PRESSURES. IT IS CONCLUDED THAT GIVEN A PROPER DESCRIPTION OF THE MATERIAL PROPERTIES, IN PARTICULAR THE RATIO OF FILL HAY MODULUS, AN ACCURATE DISTRIBUTION OF BARREL PRESSURE MAY BE OBTAINED. /AUTHOR/

  • Corporate Authors:

    University of California, Berkeley

    Berkeley, CA  USA  94720

    California Department of Public Works

    1120 N Street
    Sacramento, CA  USA  95814

    California Division of Highways

    Bridge Department
    Sacramento, CA  USA  05914
  • Authors:
    • Brown, C B
  • Publication Date: 1966-7

Subject/Index Terms

Filing Info

  • Accession Number: 00233686
  • Record Type: Publication
  • Source Agency: Bureau of Public Roads /US
  • Report/Paper Numbers: Hpr
  • Files: TRIS
  • Created Date: Dec 12 1994 12:00AM