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International Forum: Hot Recycling Technologies: Experiences and New Challenges in Costa Rica and Central America
Abstract
The use of recycled pavement technologies presents a new, economical and environmentally efficient alternative for road maintenance and construction. For this reason, the implementation of recycled pavement technologies has become a necessity worldwide. Recently, hot recycling technologies have been actively implemented and promoted in Central America. The main applications consist of reclaimed asphalt pavement (RAP), stabilization of base courses with foamed asphalt and/or asphalt emulsion, and warm mix asphalts. Recognizing the existence of diverse recycled pavement techniques that look to comply with different environmental goals, generating economic benefits, and promoting improvements in quality of life of the local citizens, to date Nicaragua, Guatemala, El Salvador and Costa Rica have been researching and implementing some of these technologies. Furthermore, the National Laboratory of Materials and Structural Models of Costa Rica established a group of researchers dedicated to the implementation of sustainability in the development of road infrastructure. Their main purpose is to achieve the Carbon Neutrality goal that Costa Rica set for 2021 (bicentennial celebration of independence). The document presents an overview of projects constructed in Central America by applying environmentally friendly technologies, as well as R&D from Costa Rica promoting the implementation of these techniques.
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