Hydraulics Engineering Publications

This is an archived publication. It may be useful for researchers doing further work in this area as well as those developing improved testing and design procedures and is included because of its historical value

Title: Design of Riprap Revetment

Description: This revised version of Design of Riprap Revetment, Hydraulic Engineering Circular No. 11 (HEC-11), represents major revisions to the earlier (1967) edition of HEC-11. Recent research findings and revised design procedures have been incorporated. The manual has been expanded into a comprehensive design publication. The revised manual includes discussions on recognizing erosion potential, erosion mechanisms and riprap failure modes, riprap types including rock riprap, rubble riprap, gabions, preformed blocks, grouted rock, and paved linings. Design concepts included are: design discharge, flow types, channel geometry, flow resistance, extent of protection, and toe depth. Detailed design guidelines are presented for rock riprap, and design procedures are summarized in charts and examples. Design guidance is also presented for wire-enclosed rock (gabions), precast concrete blocks, and concrete paved linings.

FHWA Publication Number: IP-89-016
NTIS Publication Number: PB89-218424

Publication Year: 1989

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• Design of Riprap Revetment SI