Riprap sizing in HEC-RAS version 6.1

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Additional resources: https://www.surfacewater.biz/riprap
Slides: https://awschool.com.au/resources

**Chapters**
00:00 - Introductions + Polls
03:21 - Australian Riprap Sizing methods
08:37 - History of hydraulic engineering
15:09 - Riprap design considerations
22:32 - Shear-based methods
28:55 - Recommendations & resources
31:40 - HEC-RAS Riprap Calculator approach
42:19 - Scour Calculator- protect the toe
44:41 - Demonstration of Riprap Calculator
49:26 - Q&A
57:36 - Wrap-up & further training

**Description** Webinar number 123

Riprap sizing in HEC-RAS version 6.1

Advancing Australian riprap sizing methods with the Riprap Calculator now available in the latest release of HEC-RAS version 6.1.

The latest release of HEC-RAS Version 6.1 incorporates a new Riprap Calculator that applies the USACE method for designing stable riprap based on hydraulic results.

Standard riprap sizing approaches in Austroads and ARR manuals refer to guidance that has been superseded in the meantime by the U.S. Army Corps of Engineers method.

Join us for this webinar in which Krey Price traces the ancestry of Australian riprap sizing methods and provides recommended approaches for incorporating the latest guidance, and Stanford Gibson, sediment transport specialist for the