Tunnel Construction in India

The increased investments in infrastructure development have transformed India into one of the fastest growing markets for tunnel construction. The growth in tunnelling activity is driven by a robust project pipeline in the urban rail, […]

The tunnelling sector has been gaining traction in the past few years. A large number of infrastructure projects are being implemented across sectors such as railways, roads and highways, water supply and sewerage, and urban […]

Conventional tunnelling describes the cyclic construction of underground tunnels of any shape where there is access to the excavation face. Earlier, conventional methods of tunnel construction excluded tunnel boring machines (TBMs); however, in recent years […]

With the increasing number of tunnels under construction or being planned in the country and the growing volume of traffic in existing tunnels, safety issues are becoming increasingly important. A wide range of factors need […]

Construction materials used in tunnels vary as per the design and construction methods selected for each project. In addition, the construction material is determined by factors such as geology, cost and potential disruption of other […]

There has been a surge in tunnelling activity in the country, as a large number of infrastructure projects are being implemented across sectors such as railways, roads and highways, water supply and sewerage, and urban […]

The tunnelling industry has witnessed a steady increase in demand from the infrastructure sector over the past few years owing to the growing needs of diverse sectors such as railways, metro systems, roads, hydropower, water supply […]

The increased focus on infrastructure development in the country has helped drive tunnel construction activity in recent years. Tunnels play an important role in the setting up of hydropower projects, development of urban mass rapid […]

Tunnel construction in the country has picked up pace over the past few years due to an increased focus on infrastructure development. Sectors such as railways, roads, hydropower, water supply and metro rail offer ample […]

With increased investment in infrastructure development, the country has transformed into one of the fastest growing markets for tunnel construction. A number of sectors such as railways, roads, hydropower, water supply and metro rail offer […]

Over the years, contracting practices have evolved from item-rate contracts to engineering, procurement and construction and design-build-operate contracts. The technology deployed for tunnel construction too has evolved greatly from the drill and blast method (DBM) […]

As tunnels are complex structures, their construction requires different types of materials. The materials used vary significantly depending upon the design of the tunnel, construction method or technique deployed and the prevalent geological conditions. Some […]

With a large number of infrastructure projects being implemented across sectors such as railways, roads and highways, water supply and sewerage, and urban mass transit, there has been a surge in tunnelling activity in the […]

With the rising focus on infrastructure development, tunnelling activity in the country has also witnessed a significant uptick in the past few years. Several tunnel projects are being undertaken in the rugged terrains of the […]

Construction of metro tunnels in the country is still at a nascent stage. So far, the Delhi Metro Rail Corporation (DMRC) has constructed 750 km of metro corridors, of which 250 km is underground. Overall, […]

In the past few years, proactive efforts have been made to rapidly expand the country’s railway network. Several new railway line projects are being undertaken in the previously underpenetrated regions of Jammu & Kashmir and […]

The roads and highways sector has witnessed limited tunnel construction activity so far. Most of the tunnel construction works in the road sector have been taken up in the Himalayan region. As a result, these […]

A tunnelling technique that is seeing increasing acceptance in the country is microtunnelling. Emerging as a new trend, it is being extensively used to lay water supply pipelines and sewers in congested areas. It is […]

In the past few years, there has been a significant increase in tunnelling activity in the country. The rise in tunnel development in sectors such as hydropower, roads and railways has also driven the demand […]