Tunnels are artificial underground passages constructed for various purposes like transportation, navigation, water supply, sewer, hydro-power, public utility, canals, etc.
In this article, we...
Road construction technology is that branch of Highway Engineering which deals withal all kinds of activities and technology for changing the preexisting ground surface...
The water-bound macadam construction named after john macadam. In the macadam road construction, the crushed or broken aggregates are bound together by using the...
