Chardham Tunnel Project

Chardham Tunnel Project

Equipment with cutting edge technologies is making tunneling smoother at RVNL’s mega railway project and helping contractors overcome geological complexities. Sandvik’s DT 821 C and DT 922i advanced automatic
India’s Metro-Rail Industry Expanding Fast

India’s Metro-Rail Industry Expanding Fast

The Metro-Rail segment in India is growing at a frantic pace with positive long-term prospects, supported by the impetus provided by the government by way of business-friendly policies and financial support. Use of advanced
Lucknow Metro - The Fastest Built Metro Rail Project

Lucknow Metro - The Fastest Built Metro Rail Project

Lucknow Metro has achieved the distinction of becoming the fastest built metro rail project in the country - both in terms of completion of construction work and execution. On 25th November 2013, LMRCL
Ropeways - Alternative Mobility Solution in Urban India

Ropeways - Alternative Mobility Solution in Urban India

India received its first mode of modern transportation in 1853 when the first railway line was laid from Bombay to Thane to boost industrial activities and ensure easy accessibility to heavy raw materials. In the following
India’s Tunnelling Industry Opportunities & Challenges

India’s Tunnelling Industry Opportunities & Challenges

The growth of the tunnel construction in the country has been driven by a robust pipeline of projects and investments in setting up hydropower projects, developing urban mass rapid transit systems, improving road
Klang Valley Mass Rapid Transit Putrajaya Line in Malaysia

Klang Valley Mass Rapid Transit Putrajaya Line in Malaysia

Stoked by their debut success with the timely completion of Kajang Line’s underground section, Gamuda Engineering found themselves pitted once more against the unique challenges of tunnelling in Kuala Lumpur
Sandvik DT 821C Tunneling Jumbo Setting a New Standard in Speed & Precision

Sandvik DT 821C Tunneling Jumbo Setting a New Standard in Speed & Precision

A tunnelling project is a race against time and costs. Getting it right from the very beginning requires knowledge, skill and experience, as well as a proper range of equipment that fulfils the customer’s tunnelling
German manufacturer GHH brings special Shotcreting Machine to help complete Mumbai Nagpur Expressway

German manufacturer GHH brings special Shotcreting Machine to help complete Mumbai Nagpur Expressway

The Mumbai-Nagpur Expressway is delayed until 2022. In the meantime, a machine ‘GHH IS26’ with remarkable reliability has been specially flown in from the supplier and is in operation to help complete the project
CRCHI’s EPB TBM ‘Victory’ Achieves New Records in Construction of Moscow Metro

CRCHI’s EPB TBM ‘Victory’ Achieves New Records in Construction of Moscow Metro

The project, located at the riverside of the Moscow River, passes under heavy traffic and crowded buildings. It includes two sections of a total length of 2947m. One is from Maple Avenue Station to No.2 Working Shaft
Pull Force

Pull Force

Pull Force is the force that a truck or prime mover can exert onto a transporter or any type of trailer. It has been a subject of much controversy and misunderstandings as truck manufacturers and end-users often do not talk
Fully Automated Jumbo Revolutionizing Tunneling in India

Fully Automated Jumbo Revolutionizing Tunneling in India

The first Sandvik DT922i, a computer controlled fully automatic tunneling jumbo, has been introduced by Sandvik Mining and Rock Technology in India with a vision to achieve high levels of safety, productivity and
HDD Machines Best Suited for Gas, Cable, and Sewerage  Pipeline Projects

HDD Machines Best Suited for Gas, Cable, and Sewerage Pipeline Projects

Horizontal Directional Drilling is a technology in pipe and utility installation that allows greater accuracy and flexibility in placement and ends the need for costly digging, large crews, road closures and other
Progress Maschinen & Automation: Reinforcing cages for tunnel construction and wind-energy solutions

Progress Maschinen & Automation: Reinforcing cages for tunnel construction and wind-energy solutions

Special knowledge is required for building tunnels and wind energy plants in order to implement demanding projects. The facilities and manufacturing processes required for such projects can be adjusted well in advance for
Tunnelling for Science - Special formworks from Doka for tunnel system at CERN

Tunnelling for Science - Special formworks from Doka for tunnel system at CERN

The Large Hadron Collider (LHC) at CERN is the biggest particle accelerator in the world – and growing. To equip the LHC for new, more ambitious experiments in the next decade, the accelerator is currently
Proven Technology in Use

Proven Technology in Use

The river has its source at over 3000 meters high in the snow-covered Andes. It reaches the Pacific Ocean after 250 km. On its way, it overcomes a considerable gradient and is, therefore, ideally suited to generate electricity
CREG: Distinctive Amongst Peers

CREG: Distinctive Amongst Peers

Tan Shunhui, Chairman, CREG, discusses the competitive advantages of the company’s tunneling equipment and solutions, emerging opportunities in developing countries, factors driving its growth and success across
CRCHI TBM at work in Hangzhou Genshan East Road Crossing River Tunnel

CRCHI TBM at work in Hangzhou Genshan East Road Crossing River Tunnel

15-meter mega Slurry TBM rolled off the assembly line at CRCHI. The excavation diameter of the equipment is 15.01 m, its total length is about 130 m, total weight is about 4300 t, installed power is about 9755 kW, rated
Open-type TBM produced by CRCHI creates a new record in China

Open-type TBM produced by CRCHI creates a new record in China

Being the longest water delivery line in the history of Jilin province, transferring water from Songhua River into Central Jilin Province will transfer the largest capacity of water and cover the largest areas. The water diversion
Composite Shell Lining for Tunnels and Mined Stations

Composite Shell Lining for Tunnels and Mined Stations

Amit Kaul, BASF India Limited (Construction Chemicals Division), India, tells about the innovative tunnel lining system and related design aspects, and also describes the main advantages of this lining system in comparison
Impact of Underground Construction n Urban-Built Environments

Impact of Underground Construction n Urban-Built Environments

Underground infrastructures are an integral part of modern cities as they serve to counter problems of surface congestion and environmental degradation. The problems of ground vibrations, vibration induced noise and ground
The Largest Diameter TBM in India Made by CRCHI will be used in Mumbai Coastal Road Project

The Largest Diameter TBM in India Made by CRCHI will be used in Mumbai Coastal Road Project

On March 18, 2020, India’s largest diameter TBM was packed at CRCHI’s first industrial park in the Changsha city, central-south of China. It will pass through Shanghai Port to Mumbai for a costal road project. With an excavation
CREG Φ15.8m Slurry TBM Solution for Chunfeng Tunnel in Shenzhen

CREG Φ15.8m Slurry TBM Solution for Chunfeng Tunnel in Shenzhen

Chunfeng Tunnel is the first bi-directional four-lane highway tunnel in Shenzhen, China, with two decks within one tunnel. The tunnel is 3,603m long; its average radius of curve is R750m and its biggest gradient reaches 49%
CRCHI TBMs used in Under River Tunnel Project of Yuan River in Changde in Hunan Province, China, for customer CRCC 14th Bureau Group

CRCHI TBMs used in Under River Tunnel Project of Yuan River in Changde in Hunan Province, China, for customer CRCC 14th Bureau Group

The under-river tunnel project of Yuan River in Changde is a twin-tube tunnel in the Chinese inland city of Changde. The tunnel connects two sides of the Yuan River, and with its two-way and four-lane, it will promote harmonious
GHH’s MK-A35 – Ideal for Tunneling & Mass Mining

GHH’s MK-A35 – Ideal for Tunneling & Mass Mining

With the 2020 upgrade of its long-proven MK-A35 model, GHH, German manufacturer of heavy machinery for mining, tunneling, and special civil engineering, presents the first 35-ton class dump truck, already operating in the field
Srons Engineers, India’s first company to manufacture SDA Bars, has a strong quality control policy in place

Srons Engineers, India’s first company to manufacture SDA Bars, has a strong quality control policy in place

Established in 2015 to support the growing demand of its Rock Hardware products, Srons Engineers is an Indian manufacturer of Rock Bolts, Self-drilling Anchor systems and Self Drilling Anchor Bolt parts like hollow bar & rod
Tunneling, Rock Support & Geotechnical Solutions by MIPL & ROBIT

Tunneling, Rock Support & Geotechnical Solutions by MIPL & ROBIT

Machino International (MIPL) - a specialist company based in New Delhi, is a leading supplier of Construction, Tunnelling and Geotechnical products. The company has more than 30 years of experience in H.E.P, Road Tunnels, Cavern projects
Turkey’s Tough Geology Inspires Robust Machine Design

Turkey’s Tough Geology Inspires Robust Machine Design

Driven through a mountain side with 600-m of cover in Central Turkey, the Kargi Kizilirmak Hydroelectric Project is one of the most challenging tunneling projects ever completed in the region. The project is located on the Kızılırmak River
CREG’s EPB TBM Ready to Perform in Italy

CREG’s EPB TBM Ready to Perform in Italy

The Turin-Venice high-speed rail is part of the Pan-European Multimodal Corridor, which traverses the northern part of Italy and connects the northwest to the northeast of the country. It is an important gateway for Western European countries
Characteristics & Categorization of Tunnel Fires & Their Mitigation

Characteristics & Categorization of Tunnel Fires & Their Mitigation

A fire that develops in a tunnel interacts with the ventilation airflow and generates complicated air flow patterns and turbulence in the vicinity. The heat generated warms up the surrounding air, and in case of a slope inside
Mapei: Injection Solutions for Underground Construction

Mapei: Injection Solutions for Underground Construction

Injection can be defined as the introduction of a material with pressure into the ground or a structure for waterproofing and for consolidating voids, cracks and porosity. Generally, the injection can be categorised as Pre