Bored tunneling by using a Tunnel Boring Machine (TBM) is frequently used for excavating long tunnels. Tunneling Boring Machine (TBM) are a...

A road header machine called a boom type road header. Road headers are advanced, self forced and extremely powerful rock cutting machines ...

There are 2 types of open channels Man made open channels Natural open Channels 1. Man Made Open Channels Man made open channels v...

The amount of water in the soil determines the type of soil. There soil can be classified into four states depending on the water content o...

Introduction about cost control It is very vital to understand the correct meaning of the cost, before moving further about the cost cont...

Formwork is the mould to shape the concrete structure. Good concrete cannot be made from a poor mould; thus formwork is very important in p...