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Even though the techniques for constructing highways have kept evolving because of technology advancement and the complexity of the highway, one thing has remained unchanged. Before any highway construction, there should a well taken survey and a good subgrade preparation. In highway construction, there is always a big difference in highway construction between urban areas […]
Plastic invented in the ’30s is now one of the most useful commodities on the planet but it’s also has become one of the greatest problems to our environment. It was in the ’70s when the pollution of plastic had been reported through scientific research and back then it was determined that 0.1% would wind […]
The Boreal forest which is also referred to as Taiga counts for around 30% of the earth’s forests which covers three continents in the northern part of the globe. It’s the largest forest on the planet but these amazing woodlands are also facing various serious threats that are causing a decline in their populace. Canada produces […]
The three-phase traffic theory was developed in the late 90s and overtook the existing theory which had only two phases. The older model considered free flow and congested to be the only two states that traffic could have. The three-phase model adds a very important intermediate phase called synchronized flow and renames the last phase […]
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 […]