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Download Principles of Transportation Engineering Partha Chakroborty and Animesh Das

Transportation system of any country dictates the extent and level of the infrastructure.  The efficiency of transportation system enhances the movement of masses which in turn makes the country grow socially and economically.  @import url(http://fonts.googleapis.com/css?family=Oswald:700); Transportation engineer has to very much look ahead of challenges from design as well as from…
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Fatigue (Alligator) Cracking

The word Fatigue means repetitive action of loads, thus fatigue cracking by names means cracking due to the repetition of loads. As the pavement is subjected to number of vehicles of different sizes and loads the stress keeps on pilling up and thus the cracks appears which…
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Geometric Design of Rural Roads and Urban Streets [PPT/PPTX]

This report presents guidance on the application of geometric design criteria to facilities functionally classified as local roads and streets. The report is subdivided into sections on rural roads, urban streets.A local road or street serves primarily to provide access to farms, residences, businesses, or other abutting properties. Although local roads and streets may be planned, constructed…
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Things you should know about rutting

A very common premature pavement failure in most countries is seen as a surface depression in the wheel path. The depression which is formed is called a rut and along the rut uplift occurs due to shearing. Ruts are particularly evident after a rain when they are filled with…
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Difference between free way (motorway) and a simple highway?

In pavement engineering we mostly hear the terms highway, motorway and freeway. These terms sometimes causes confusion about what they mean in real and what is the basic difference in them. In this post we will try to find the basic difference between these terms. Difference between motorway and simple highway Firstly all these terms specifies a paved surface which is used for…
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Methods to find your coordinates on globe

A coordinate system that helps us finds the location on the Earth by using set of numbers and letters. Among these coordinates one of the number represents vertical position and other two numbers represent horizontal position. Commonly they are called latitude, longitude and…
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Railway Track Design online Calculator

Railway engineering is a significant branch of transportation engineering, Railway transportation is an on-land transportation system with air ways and sea ways as other parallel off-land transportation means. Railway transportation share a healthy burden of transportation of a community or country, carrying large bulky luggage from one end to heavy duty tanks, military equipment at the other. …
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The daunting task of airport planning

Some times you as a civil engineer stuck in certain tasks where you find difficult in counting variable or parameters on which your certain given task is dependent on; Airport planning is such a daunting task; there are alot of parameters and variables which you have to…
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What is scouring, Bridge Scouring? How to calculate Scour Depth?

Scouring can be defined as a process due to which the particles of the soil or rock around the periphery of the abutment or pier of the highway bridge spanning over a water body, gets eroded and removed over a certain depth called scour depth. Scouring usually occurs when the velocity of the flowing water increases or crosses the limiting value that the soil particles can easily…
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How to Classify Soil according to AASHTO?

American Association of State Highway and Transportation Officials (AASHTO) has devised a Soil Classification system; so you can find here how to classify soil according to AASHTO classification system.  Soil although has many definition but for civil engineers it is the…