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Soil Mechanics: Stress Distribution This course covers the application of engineering principles by experienced engineers of soil mechanics in the design of foundations and earth structures. It includes identification and classification of soil and rock, field exploration, testing, and instrumentation, laboratory testing, distribution of stresses including pressures on buried... Learn More

Roller-Compacted Concrete This course provides information and guidance on the use of roller compacted concrete (RCC) in dams and other civil works structures. Elements discussed include investigation and selection of materials, mixture proportioning, material properties, design and construction considerations, construction methods and equipment, Government Quality Assurance/ Contractor Quality Control,... Learn More

Installation of Post-Tensioning Tendons One of the major advancements in bridge construction in the United States in the second half of the twentieth century was the development and use of prestressed concrete. Prestressed concrete bridges offer a broad range of engineering solutions and a variety of aesthetic opportunities. This... Learn More

Admixtures for Concrete Admixtures are ingredients other than water, aggregate and Portland cement that are added to a concrete mixture immediately prior to or during mixing. These ingredients can be used to modify the properties of concrete by affecting its workability and set time, compensating for the effects of... Learn More

Geometric Design of Roundabouts This course presents a summary of the geometric design process for modern roundabouts. Roundabouts are a common form of intersection control used throughout the world and increasingly in the United States. The information supplied in this course and is based on established and emerging U.S.... Learn More

Design and Construction of Concrete Overlay State Highway Departments and local street and road agencies are currently faced with aging highway systems and a need to extend the life of some of the pavements. Existing design procedures for Portland cement concrete overlays deal primarily with an existing asphaltic concrete... Learn More