Types of earthquakes: natural and man-made. Natural one occurs along tectonic plate lines while man-made are related to explosions made by man.
-
-
There are mainly three types of surveys which are as follows: Reconnaissance survey, Detailed survey, Preliminary survey etc.
-
In Reaction turbine, Pressure energy is first converted into kinetic energy before supplied to runner. It works on impulse reaction principle.
-
A cofferdam is a temporary structure designed to keep water and soil out of the excavation in which a bridge pier or other structure is built.
-
The principle of under-reamed pile foundations is the anchoring of the superstructure at a depth where the volume changes of soil are negligible.
-
Piers are single unit supports carrying heavy loads and transferring them to deep-seated layers of soil or rock.They are of three types.
-
Seismic waves are the waves which are formed by sudden breaking of rock within the earth. There are two types of waves: Body and Surface waves.
-
“Caissons” means box. Such box can be prefabricated on shore and then floated to the desired site, and is allowed to seat on prepared base.
-
Well foundation is deep one which generally provided for construction of bridges.World famous “Taj mahal” stands on well foundation.