Saturday, September 7, 2019

Analysis and design of concrete pavements Research Paper - 1

Analysis and design of concrete pavements - Research Paper Example The research project involved carrying out an analysis and design of concrete pavements based on a comprehensive literature review as well as on the results of a number of engineering tests to determine the best designs for concrete pavements. Concrete pavements are road surfaces that are built using a concrete mixture of Portland cement, sand, coarse aggregate and water to provide durable surfaces that can effectively sustain vehicular or foot traffic. The history of the use of concrete pavements on roads and walkways dates back to 1893 when the world’s first strip of concrete pavement was successfully completed. According to Croney (2008), the first concrete roads were constructed in the United States at the beginning of the 20th century and the technology later spread to Europe and the other parts of the world in the 1920s. Over the years, concrete as a building material has been increasingly used for paving airports, highways, residential streets as well as business parking lots. According to many experts, the increasing popularity of concrete pavements is particularly attributed to the numerous benefits of using concrete as a paving material some of which include its durability and less maintenance requirement, workability, strength, cost effectiveness and durability. Contemporary design techniques used for concrete pavements have resulted in the development of economically sustainable concrete pavements that are not only offer one of the best riding surfaces but are able to perform for many years with minimal maintenance. According to Horenstein (34), modern designs often take into account all the diverse sorts of environmental conditions including future estimations on environmental changes and traffic growth. Currently, there is a growing need for sustainable and low cost alternative pavement materials in many developed countries including Australia. For example, since

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