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A flexible pavement is also called an asphalt pavement or Tarmac. Flexible pavement is composed of three or four layers. A four-layer flexible pavement includes a surface course, a base course and a sub-base course laid over a compacted subgrade. A three-layer flexible pavement omits the sub-base layer and places the base course directly on […]
Ethanol is a great fuel product that reduces greenhouse gases and preserves our fossil fuels. The dilemma that comes with creating ethanol is if it’s worth the problems that come with producing it. Ethanol is produced by processing feedstocks like corn and sugar cane. This sounds great because ethanol would create more jobs for farmers […]
Gas stations carry various types of gas. There is the low-cost type, the reasonably priced type, and the costly type. The costly type is generally pure gasoline that can be pumped into a car. The low-cost type is commonly a mixture of ethanol and gasoline. This ethanol can make up for 10 to 15% of […]
Rigid pavements are often used for the construction of airport runways and major highways, including those in the highway system of the United States. They are also used for industrial applications such as harbor yard pavements, heavy vehicle parking locations and terminal pavements. Function and Design A rigid pavement is designed withstand all types of […]
Once the work of gathering data regarding road usage has been done the monumental task of analyzing begins. In order to make sense of the numbers, highway engineers will employ a number of different analytic methods to determine the needs of the community and what the best construction methods and design for a highway will […]
Climate change and the evident signs of global warming in the Arctic is nothing new to the public but there are some warnings that are a great cause for alarm. Why is Climate Change Important to Canada? Canada is slowly melting away which is a real threat to the Icecaps which makes up 40% of […]
Currently, fossil fuels and diesel dominate the market for road transport in vehicles throughout the world. Ethanol only makes up for around 7% of Europe’s fuel economy. Ethanol makes up for around 10% of fuel transport in the United States. This is mainly thanks to the fact that governments have stepped in giving grants to […]
To extend the lifespan of pavements and highways, there are several sustainable pavement programs that have been adopted in different parts of the world. These programs contribute to the sustainability and optimization of pavement serviceability. Sustainable pavement programs also help to reduce costs in the long run. While sustainable pavement programs have a lot of […]
When designing a highway there are several factors to consider, the main ones being geometric alignment, material choices, and structural design. Geometric Alignment Naturally, one of the most important things to consider when designing a highway is its physical geometry and proportions. To determine the physical layout that a highway will have to have engineers […]
One of the biggest benefits of using ethanol is that it lowers our carbon footprint and its carbon neutral. Ethanol is a renewable source of energy because of what it creates when it is burned off. Ethanol creates carbon dioxide when it is burned off, which plants and feedstock absorb out of the atmosphere. Plants […]