EM 1110-2-1601 Hydraulic Design of Flood Control Channels
Hydraulic design criteria for flood control channels including riprap, concrete lining, and bank protection.
What This Publication Covers
Scope of open-channel design for flood-damage-reduction projects.
Resistance coefficients, water-surface profiles, transitions, bends, and freeboard determination.
The EM 1110-2-1601 riprap sizing method: velocity-based gradation, thickness, filter requirements, and side-slope corrections.
Concrete-lined and grass-lined channel design, plus alternative revetment types.
Drop structures, junctions, confluences, and sediment considerations.
U.S. government publication — public domain. Outline for orientation; the full text is in the PDF at USACE.
Read EM 1110-2-1601 at USACE
The USACE publications server only allows its PDFs to be framed on its own site, so the copy below opens at the source. It is a public-domain federal document — free, no account, no paywall. BuildSpec members read it inline here instead.
Open EM 1110-2-1601 (PDF) ↗