This report contains the findings of a study to develop recommended design and construction specifications for metal and concrete large-span culverts. The report describes the research effort leading to the recommended specifications and includes information on field-testing and computer modeling. The methodology used to develop simplified design equations is also included. (A) This report may be accessed by Internet users at http://gulliver.trb.org/publications/nchrp/nchrp_rpt_473-a.pdf
Samenvatting