Civil Engineering

Filter Diaphragms Embankment failures and accidents occur more often in the vicinity of conduits in the embankments than at other locations. To... Read More

Materials for Embankment Dams Embankment dams have served man at least 5,000 years. The remains of ancient structures and civilizations provide clues... Read More

Gravel Roads Maintenance and Design Gravel roads are generally the lowest service provided to the traveling public and are usually considered greatly... Read More

Dam Safety Although dams and reservoirs are important components of the national infrastructure, existing dams are getting older, and new dams are... Read More

Impacts of Plants on Earthen Dams Damage to earthen dams and dam safety issues associated with tree and woody vegetation penetrations of... Read More

Pond Design and Construction This course presents the requirements for building a pond including the owner’s responsibility for obtaining permits, performing necessary... Read More

Roadway Vertical Alignments Author: Gregory Taylor Roadway vertical alignments are a combination of parabolic curves and connecting tangent grades. Along with the... Read More

Roadway Geometric Design 5 Author: Gregory Taylor This course is the last in a series of five volumes that summarizes and highlights... Read More

Roadway Geometric Design 4 Author: Gregory Taylor This course is the fourth in a series of five volumes that summarizes and highlights... Read More

Roadway Geometric Design 3 Author: Gregory Taylor This course is the third in a series of five volumes that summarizes and highlights... Read More

Roadway Geometric Design 2 Author: Gregory Taylor This course is the second in a series of five volumes that summarizes and highlights... Read More

Roadway Geometric Design 1 Author: Gregory Taylor This course is the first in a series of five volumes that summarizes and highlights... Read More

Intersection Geometric Design II Author: Gregory Taylor Intersections are unique roadway elements where conflicting vehicle streams (and sometimes non-motorized users) share the... Read More

Intersection Geometric Design I Author: Gregory Taylor Intersections are unique roadway elements where conflicting vehicle streams (and sometimes non-motorized users) share the... Read More

Roadway Signs II Author: Gregory Taylor Traffic signs are the primary communication devices used for informing drivers of regulations, roadway conditions, etc.... Read More

Roadway Signs I Author: Gregory Taylor This 3-hour course is the first of two in this series that focuses on how to... Read More

Work Zone Traffic Control II Author: Gregory Taylor This course is the second of two in this series that shows how to... Read More

Work Zone Traffic Control I Author: Gregory Taylor This course is the first of two in this series that shows how to... Read More

Roadway Horizontal Alignments II Author: Gregory Taylor Roadway horizontal alignments contain a series of horizontal tangents (straight roadway sections), circular curves, and... Read More

Roadway Horizontal Alignments I Author: Gregory Taylor The roadway horizontal alignment is a series of tangents (straight roadway sections), circular curves, and... Read More