Afcons uses Robbins EPB TBM to Complete Th... Contractor Afcons Infrastructure Ltd used a 6.65 m (21.8 ft) diameter Robbins EPB TBM to bore through in Chennai Metro, making it the contractor's third tunnel to be bored by the machine ...
Robbins Slurry TBM ramps up for Mumbai Met... The first of two Slurry TBMs, a rebuilt 6.65 m (21.8 ft) diameter machine, passed its factory acceptance on September 4, 2017 in Singapore. The machine, fitted with a Robbins cutterhead and outer ...
Tunnelling Technologies & product support ... Advanced technologies, mechani- sation of equipment with heightened safety features, and timely service and technical support to end-users can help the construction industry deal with construction complexities ...
Delhi Metro’s Underground Revolution The Delhi Metro’s underground construction in its third phase of expansion cannot be considered anything short of a revolution. Close to 80 kilometres of underground tunnels have been laid beneath ...
Chenani-Nashri Tunnel — An Engineering M... The Chenani-Nashri tunnel is a single-tube bi-directional tunnel, with a 9.35-metre carriageway, vertical clearance of 5 metres, and a parallel escape tunnel with cross passages connecting to the main ...
Gotthard Tunnel:World’s longest railway ... After nearly 2 decades of construction, the Gotthard Base Tunnel was officially opened on June 1, 2016 and exceeded all previous dimensions in terms of tunnel length, engineering and logistics ...
Bullet Trains– Indian Prespective, Pros ... The bullet trains are generally classified as high speed trains having speed of 300 kmph (Kilometers per hour). These trains are currently running in many countries including China, France, Germany, Italy ...
Alkali-free Accelerators for Wet Shotcreti... Shotcrete is something indispensable in tunnelling. It is a high-performance product, which is placed through spraying hydraulically/pneumatically and compacted by the impinging force of the material when shot ...
An Approach to Safe and Stable Excavation ... India has been trying to spread its railway network to reach the remote and difficult border areas. A considerable portion of the railway tracks are to be placed inside tunnels and steep cut slopes in the ...
Smart Thinking for Smart Transportation In 2014, the urban population accounted for 54% of the total global population, says the United Nations database. This figure is predicted to reach upto 70% in 2050. The UN also finds that the urban population ...
The Hauz Khas Interchange: Delhi Metro's D... Any underground construction work is always an engineering challenge. Construction work below the surface requires precision in planning and absolute competence in execution since even a minor error or ...
Tunneling Technologies Driven by Evolving ... Tunneling construction gained rapid momentum in India during the past decade. Metro railway projects across the country widely showcase varied technological requirements for tunneling. DMRC has always ...
Construction of a Cross-Passage for a Twin... Cross-passages are reinforced concrete structures built in between either two tunnels (as in case of twin tunnel systems) or a tunnel and the ground surface. They are provided to serve two primary purposes ...
SMART Transportation System for SMART Citi... Strengthening of urban infrastructure through the establishment of 'smart cities' is one of the major thrust areas of the current government. From a completely rural economy, ...
Smart Cities Not Possible Without Smart Mo... Half of the global population now lives in cities. World's urban population is estimated to be doubled by 2050. Cities around the globe are already under pressure of rapid urbanization as 1.4 million people ...
National Capital Region (NCR) Metro is in ... Today, the National Capital Region (NCR), consisting of Delhi and the adjoining satellite cities of NOIDA, Ghaziabad, Faridabad, Gurgaon, Bahadurgarh etc, has emerged as one of the largest urban ...
POD Taxi System: A Game Changer Technology If Delhi Metro has changed the way people travelled in Delhi then it's not too far when Personal Rapid Transit System (PRTs) will change people's habits, mindsets and rejuvenate them while rushing to and fro their ...
Tunnelling and Underground Work for Hydrop... Production of hydro power by use of water from rivers fed by snow melting upto the plains are tapped for production of hydro power by making diversion structures and a cascade of river water for using ...
Underground Construction - Considerations ... The article summarizes the challenges and considerations during planning, execution and commissioning of underground sections of metro. The work of fixing the alignment starts with fixing ...
Pushing the Limits of U Shaped Viaducts The Pragati-Maidan viaduct, is an extradosed railway bridge with a main span of 93 m. The deck cross-section has a U shape, which permits a perfect integration of the metro system in the super ...
Tunnelling by EPB Tunnel Boring Machine in... Delhi Metro Rail Corporation has been entrusted with the task of providing an MRTS network to the city of Delhi and National Capital Region. The network is partly at grade, elevated and underground ...
Metro Construction Phase III - An overview After the successful completion and commissioning of 190 kilometres of Metro lines across the National Capital Region (NCR) spanning two different construction phases, the Delhi Metro Rail Corporation ...