TRB’s National Cooperative Highway Research Program (NCHRP) Report 568: Riprap Design Criteria, Recommended Specifications, and Quality Control examines design guidelines; recommended material specifications and test methods; recommended construction specifications; and construction, inspection, and quality control guidelines for riprap for a range of applications, including revetment on streams and riverbanks, bridge piers and abutments, and bridge scour countermeasures such as guide banks and spurs.
Typical details for the riprap applications investigated in the report are available for download below.
Guide bank typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Revetment riprap typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Riprap apron at vertical wall abutment typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Riprap at piers typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Riprap at spill-through abutments typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Riprap spill-through slope and apron typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
Sand-filled geocontainers as filter for pier riprap typical details • Web-viewable file in PDF format • AutoCAD format for download • Microstation format for download
There is a summary document, Paths to Practice, available.