Transportation & Tunneling

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 Read More...

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 Read More...

Tunnel Renovation Redefined

During renovation of the Hasselborner Tunnel in Central Hesse, Germany, contractor Baresel used a method they hadn't tried before. Parts of the tunnel lining had to be removed and the areas were subsequently Read More...

GHH adds Shotcreting Machine to its - Tunneling Equipment Solutions

GHH is offering state-of-the-art and proven IS26 Concrete Spraying (Shotcrete) machine in India. The machine is suitable for shotcreting application in medium and large sized tunnels with cross sections ranging Read More...

Kishanganga Hydro Power project – A New Power House

Inaugurated by the Prime Minister of India, the Kishanganga Hydro Electric Power project is the first mega hydro power plant to be awarded as EPC to HCC by NHPC. Located at Bandipore in north Kashmir, the Read More...

Tunneling to Prosperity: Solutions, Equipment and Technologies

India is one of the fastest growing markets for tunnel construction due to various infrastructure development projects underway across the country. Tunnels are required for hydroelectric power projects, for improving road Read More...

CREG: Tunneling Specialist

China-based China Railway Engineering Equipment Group Co., Ltd (CREG) is a subsidiary of the public- listed China Railway Engineering Corporation (CREC), a Fortune 500 company and a key state-owned company under Read More...

Intermodality & Last Mile Connectivity - Creating Smart Walkable Spaces

Urban congestion needs to be addressed by encouraging high quality and innovative energy-efficient public transport integrating it with other forms of paratransit, ensuring last mile connectivity; working on Read More...

Ashram Metro Station - An Engineering Masterpiece

One of the main challenges of constructing a station in the Delhi Metro Network, especially in a busy and densely populated area, is designing it according to the ambience and the limited space allocated. Constructing Read More...

Transit Oriented Development - Challenges and Proposed Regulatory Framework

Transit Oriented Development (TOD) complements the concept of new urbanism. Compact, mixed-use communities are the answer to suburban problems. Due to the dynamic nature and multiplicity of underlying Read More...

Simulating oversize and heavy vehicle manoeuvres using AutoTURN® from Transoft Solutions.

Use AutoTURN® to design infrastructure adjustments to safely operate trucks transporting wind turbine components. By Er. Alessio Gori - collaborator at POLITECNICA INGEGNERIA ED ARCHITETTURA SOC. COOP. Read More...

Urgent Course Correction Imperative for Indian Railways

Railways’ freight and passenger businesses over the 5-year period, i.e., 2014-15 to 2018-19 (budgeted) indicate a flat growth. The number of total passenger journeys would record a CAGR of 0.22%, passenger kilometres Read More...

Meeting Emerging Urban Transport Challenges

The Ministry of Housing and Urban Affairs has envisaged growth of urban transport along with a low carbon footprint through seamless implementation of a New Metro Rail Policy, announced last year Read More...

Tunnelling Through the Ages

History has seen the evolution of tunnelling starting with cave formation, for water management, underground transportation, mineral extraction and for warfare purposes. The oldest reference of a tunnel was Read More...

Afcons uses Robbins EPB TBM to Complete Third Bore for Chennai Metro Project

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 for the project. The three Read More...

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

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 Read More...

Tunnelling Technologies & product support keep pace with construction complexities

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 Read More...

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 Read More...

Chenani-Nashri Tunnel — An Engineering Marvel

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 Read More...

Gotthard Tunnel:World’s longest railway tunnel opens in Switzerland

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 Read More...

Bullet Trains– Indian Prespective, Pros and Cons

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 Read More...

Alkali-free Accelerators for Wet Shotcreting in Tunnelling

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 Read More...

An Approach to Safe and Stable Excavation in the Himalayas

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 Read More...

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 Read More...

The Hauz Khas Interchange: Delhi Metro's Deepest Metro Station

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 Read More...

Tunneling Technologies Driven by Evolving Construction Methods

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 Read More...

Construction of a Cross-Passage for a Twin Tunnel system

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 Read More...

SMART Transportation System for SMART Cities

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, Read More...

Smart Cities Not Possible Without Smart Mobility

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 Read More...

National Capital Region (NCR) Metro is in Expansion mode

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 Read More...

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