Impacts of Animals on Earthen Dams There are about 80,000 dams in the United States, and many of them are nearing the end of their expected lives. Proper maintenance and control of problems associated with animals can extend the useful life of many dams. Towards this end, FEMA and the Association of State Dam Safety…
Foundations in Expansive Soils This course presents guidance and information for conducting a geotechnical investigation suitable for the selection and design of foundations for heavy and light buildings constructed in expansive clay soil areas. The information in this course is generally applicable to many types of structures such as residences, warehouses, and multi-story buildings. Emphasis…
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 structures, analysis of settlement and volume…
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, and performance. Once you complete your…
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 course includes state-of-the-art information relative to…
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 temperature during curing, ensuring the quality…