India’s tunnelling sector has been the backbone of many hydropower, metro, irrigation, wastewater, road and railway projects. The rapid growth of infrastructure in India has created a high demand for tunnelling. Tunnelling techniques are gradually […]
India is witnessing an increase in tunnelling activity in the hydropower sector. With an exploitable potential of about 250,000 MW, including pumped storage and small hydro, the sector offers huge scope for growth in the […]
Over the past few years, tunnel construction has picked up pace in India. Tunnels for the supply of water have gained uptake with the launch of a large number of government programmes. The majority of […]
Over the past few years, tunnelling methods have evolved on the basis of requirements in the construction sector. Tunnel boring machines (TBMs) have revolutionised the tunnelling industry by making the process safer, more economical in […]
Indian Railways has been steadily working to expand its network. The Himalayan region, owing to its difficult topography and access constraints, poses various challenges in the construction of tunnels. Despite this, several projects are being […]
The pace of overall tunnel construction in the country has accelerated in recent years, especially in sectors such as metro, hydropower, etc. Increasing urbanisation and the consequent need for better infrastructure have led to an […]
India has become one of the fastest growing markets for tunnel construction globally. With expanding and improving infrastructure, especially in sectors such as urban transportation, water supply and sewerage, hydropower, roads, and railways, there is […]
Tunnel development in the country is driven by investments in the hydropower, railway, roads and highways, metro rail, and water and sewerage sectors. While the railway sector was the first to undertake tunnel development, the […]
Tunnel construction is critically dependent on geotechnical investigations, as these offer the best inputs for identifying the most efficient technique to be deployed for tunnel excavation. Another factor that determines the choice between mechanised and […]
With the growing number and increasing complexity of infrastructure projects in the country, the demand for tunnel development has gained momentum in the past few years. With projects involving longer tunnel lengths and given varying […]
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 […]
Rising investment in tunnel construction has resulted in high growth in the tunnel equipment market. The entry of new manufacturers has widened the choice for project developers. Foreign players have now started setting up manufacturing […]
As a geologically complex activity, tunnel construction poses numerous challenges. Addressing these challenges requires the adoption of not just advanced tunnelling methods but also new-age materials. Diverse geological problems such as difficult terrain conditions, thrust […]
Tunnel projects face three key issues and challenges – geological complexities, poor contracting practices and safety issues. Of these, geological complexities pose the maximum risk to tunnel projects and have impacted the largest number of […]
With the increased focus on infrastructure development, tunnel construction in the country has picked up pace in recent years. Tunnels play an important role in setting up hydropower projects, developing urban mass rapid transit systems, […]
Tunnel development in India has picked up pace in the past four-five years on account of an increased uptake of projects involving longer tunnel lengths. The growth of this sector has been driven by the […]
The Indian tunnelling industry is under-going a massive transformation. Mechanised techniques are gradually replacing traditional, non-mechanised methods of tunnel construction. Advanced, technology-driven, efficient and cost-effective methods of tunnelling are being deployed in almost all the […]
India is one of the fastest growing markets for tunnel construction. With infrastructure development at the forefront, there is great scope for tunnelling in the country, especially for developing urban infrastructure, underground rail and road […]
The tunnelling industry in India has seen rapid developments in the past few years with a large number of projects being commissioned or moving ahead. Major tunnelling projects such as the 9 km Chenani-Nashri tunnel […]
The different types of materials used in tunnel construction include explosives, concrete, steel, shotcrete material, lattice girders, geomembranes, rock bolts/anchors, admixtures, fibres and rock reinforcement. The demand for a particular type of material depends on […]
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