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 […]
The government has reiterated its focus on infrastructure development time and again. In the recent past, greater emphasis has been given to the development of water and sewerage, road, irrigation, railway, metro rail and hydropower […]
Tunnel development in India has accelerated over the past decade or so. This is driven by increased investments in the hydropower, railway, road and highway, metro rail, and water and sewerage sectors. According to India […]
Mechanised techniques are gradually replacing traditional or non-mechanised methods of tunnel construction in the country. Advanced, technology-driven, efficient and cost-effective methods of tunnelling are being deployed in almost all infrastructure sectors. However, despite the advances […]
With significant momentum in the infrastructure space, developers increasingly need to execute tunnelling projects. Tunnels are required to be constructed across various projects in the railway, road, metro, water supply and sewerage sectors. While several […]
The tunnelling sector in India is currently served by both domestic and foreign players. Most of the contractors have a presence in all key tunnelling segments – hydropower, railways, metro rail, roads and highways, irrigation, […]
According to India Infrastructure Research, the Indian tunnelling equipment market (comprising completed and ongoing projects) is estimated to be worth Rs 400 billion-Rs 700 billion. This cost varies with the type of tunnelling method used […]
Materials used in tunnel construction vary significantly with the type of tunnelling method or technique deployed. Generally, non-mechanised techniques such as drill-and-blast entail a higher material cost as compared to mechanised techniques. The different types […]
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