Tunnelling in Himalayas Where Uncertainty is Highly Certain
Brijesh Ashokbhai Wala, Engineer, National Highways and Infrastructure Development Corporation Limited (NHIDCL), presents the vagaries and challenges in underground construction, with case studies of projects constructed or planned
Intelligent Face Drilling
Anirban Sen, Business Line Manager – Underground Division, Epiroc Mining (India), explores the technologies, methods and benefits of modern intelligent face drilling equipment, the reasoning behind selection of ‘smarter’ face drills
Construction of Head Race Tunnel for Sewa Hydroelectric Project (Stage-II) LOT SW-1
This case study of the Sewa H.E. Project (120MW) in the Kathua district of Jammu and Kashmir, covers the planning process and various construction features of a 10.02km long, 3.3m diameter horseshoe shaped concrete lined tunnel
Strabag AG Builds Tunnel Systems Using Progress Machines
Strabag AG implements complex construction projects, particularly in tunneling and infrastructure development, and is represented in around 30 countries worldwide. It has been active in the fields of building construction, civil
Lochweidli Tunnel, Switzerland - Engineering, on-site services using DokaMT - a rentable tunnel system
Construction is underway on a tunnel as part of a bypass to relieve traffic for communities in Toggenburg, Switzerland. For Doka’s formwork experts, keeping in view the conditions of this project, their new, rentable tunnel system
CRCHI Urja Becomes First TBM to Complete Tunnelling in Phase-2 of Bangalore Metro
On 22nd September 2021, hard rock/slurry TBM Urja (DZ670) manufactured by China Railway Construction Heavy Industry Cooperation Limited (CRCHI) achieved a breakthrough from the Cantonment Station to the Shivaj Nagar Station
CREG High-Pressure Hydro-Coupling TBM Constructing Hard Rock Tunnels
Hard Rock Tunnel Boring Machine (TBM) is the first choice for the construction of hard rock tunnels because it is a fast, safe, and environmental-friendly construction method. As overburden increases, the ground stress of
German Shotcreting Machine helps speed up construction of Mumbai-Nagpur Expressway
The Mumbai-Nagpur Expressway is delayed until 2022 due to Covid-19. In the meantime, a machine with remarkable operational reliability was specially flown in from the supplier in Germany to help speed up the project.
Robbins offers attractive options to contractors to make its - TBM cost-effective
US Tunnel Boring Equipment manufacturer, The Robbins Company, will continue to make owning and operation of its TBMs cost-effective for Indian contractors. It will also explore newer vistas of engagement with
GCPL’s Innovative products for Underground Construction
Geo Constech (GCPL), one of the leading solution providers of material and technology, introduces Druc-Svelta, Druc-Si’ment Cap, Druc-Stone, Druc-Colata 41, and Druc-Tyrocrete. With an objective
Boring Machine for Making Horizontal Bores Under the Ground - Trenchless Technology
Trenchless construction is a method of laying services under the ground without disturbing the surface structures. The imported underground horizontal drilling machines are available
Aspects of Structural and Civil Engineering in "Deep Shaft Mine" Construction
The "DEEP SHAFT COAL MINE" consists of essentially two vertical shafts, one to hoist men and materials, and the other for winding coal from deeper seems."MINE SHAFT" surface structures
Sand for Concrete From Steel Mills Induction Furnace Waste Slag
For the last 20 years, the use of by products of various origins in the production of concrete has become an increasingly widespread practice in the world. The main advantages are all the elimination of scraps
Optimization of Copper Slag and Fly Ash for Soil Stabilization
Sub-grade soil stabilization is one of the primary and major processes in the construction of any highway. The aim of this research paper is to formulate a model to predict variation in the values of CBR
Building Resistant to Earthquake through Hidden/Strip Beam at Footings
Studies on hidden beams have been carried by various researchers. Its use for high rise buildings with raft foundation is of very useful. However, its use for low rise buildings may not be effective to a considerable
Sustainability – A Cement Perspective
The cement industry is one of two primary industrial producers of carbon dioxide (CO2), creating up to 5% of worldwide man-made emissions of this gas, of which 50% is from the chemical process
Failure and Collapse of civil engineering structures
The failure and collapse of civil engineering structures in general and buildings in particular has become a very common phenomenon in last few years. This paper highlights the new reasons of failure
Do Away with the Polluting Cement!
By the end of the Nineteenth century, the British rulers had imported 'Cement' to India and commenced discouraging the method of using freshly ground lime for masonry construction that was in vogue
Volvo Systems to enhance safety
Since 1927, traffic safety has always been one of Volvo Trucks' core values and the company is currently well to the fore when it comes to safety development. Tiredness alerts, lane change assistance and help
Magnetized Water: An Upcoming Technology for Construction Industry
Cement based construction industry plays a vital role in infrastructure development of a country. Cement concrete is the backbone material of construction industry. Water plays an important role in the production
Identifying And Managing Vital Risks In Construction Projects
"No construction project is risk free. Risk can be managed, minimized, shared, transferred or accepted. It cannot be ignored." Risk is a state of uncertainty where some possible outcomes have an undesired effect or significant loss. Uncertainly is meaning that the lack of certainly due to limited knowledge that it is impossible to state the outcome
Recent Development in Eco-friendly Sustainable Rapid Wall Gypsum Panels
The prominent building materials used in building and other constructions are cement, steel, sand, stone, concrete, RCC, bricks, timber, plastic & polymers, etc. Occurrence of natural disasters like earthquakes
NORMET
Normet is a fast growing Finnish Technology firm with operations across the globe providing advanced solutions for selected customer processes in underground mining and tunneling environs. It develops
TERRATEC delivers cutting-edge Tunnel Boring Machines around the globe
With a major boom in infrastructure development including transport infrastructure to help with traffic decongestion, the urban development authority is focusing more on the expansion of underground infrastructure. Specifically, the
Normet introduces Spraymec 8100VC
Normet introduced the most advanced model for concrete spraying in its Spraymec series at bC India. The Spraymec 8100 VC is designed for high performance sprayed concrete applications in tunnels with
Trenchless Technology for Underground Services
The implementation of trenchless technology for laying utility services under the ground in urban areas, the various problems affecting the structures and traffic congestion by using traditional methods
Tunneling Machines
Susumo has launched a totally fresh set of machines for tunnelling jobs. They consist of the whole range from simple Tractor Trolley Loading Bucket to Mucking Machines. Tunnel Excavators is an excavator mounted on tyres. The excavating arm is specially designed
