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Design of Riprap Revetment

Vincent D. Reynolds, MBA, PE

The forces of water can be extremely strong due its unit weight, flowrate, and velocity. The force of water through earth channels can cause erosion due to the soil particles becoming displaced by movement, stress, and pore pressure. Riprap revetments are used as channel bank protection and channel linings for streams and rivers. Riprap should be designed so that it does not fail under stress and thus protect the streambank.

This course will discuss the design of several types of riprap types including, rock riprap, gabions, rubble riprap, grouted rock, and paved linings. Ancillary design concepts such as riprap toe design, channel flow analysis, manning’s equation, shear force analysis, and ice force effects will also be covered. Design examples will be presented to aid in understanding the course material.

The student will be directed to study the document “Design of Riprap Revetment,” published by the Federal Highway Administration.

This course includes a multiple-choice quiz at the end, which is designed to enhance the understanding of the course materials.

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NY PE & PLS: You must choose courses that are technical in nature or related to matters of laws and ethics contributing to the health and welfare of the public. NY Board does not accept courses related to office management, risk management, leadership, marketing, accounting, financial planning, real estate, and basic CAD. Specific course topics that are on the borderline and are not acceptable by the NY Board have been noted under the course description on our website.