Two heavyweight lectures at the opening ceremony, catch the highlights!

Two heavyweight lectures at the opening ceremony, catch the highlights!

After the opening ceremony of this conference, we will have the honor to listen to the wonderful lectures delivered by Dr. Priscilla Nelson, a distinguished scholar from the United States, and Academician Zhu Hehua, a member of

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Sandvik displays tunnelling jumbos, and surface drill rigs

Sandvik displays tunnelling jumbos, and surface drill rigs

Sandvik Mining and Rock Technology India, known for its high-tech products for mining, construction, and infrastructure industries, showcased its comprehensive solutions. Noteworthy among them were the locally manufactured

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CRCHI Channel Express TBM's Subsea Tunnel Breakthrough in Singapore

CRCHI Channel Express TBM's Subsea Tunnel Breakthrough in Singapore

November 22, 2023, saw the TWRP Pipeline-C1 Tunnel breakthrough in Singapore. The CRCHI (China Railway Construction Heavy Industry Corporation Limited) self-innovated "Channel Express" slurry TBM assisted the breakthrough

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Innovations & Contracting in Tunnelling Adaptive Measures & Climate Change

Innovations & Contracting in Tunnelling Adaptive Measures & Climate Change

In a world where infrastructure is the linchpin of sustainable development, the fusion of innovation and contracting takes centerstage in the realm of tunneling. This article delves into the critical role of adaptive measures in addressing climate change and

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Safe Working Practices - Safety in Construction of Underground Structures in the Complex Geology of Tehri Pump Storage Project – A Case Study

Safe Working Practices - Safety in Construction of Underground Structures in the Complex Geology of Tehri Pump Storage Project – A Case Study

Dr. Rakesh Kumar Khali, Vice President - Operations, (Tunnel, UG Structures & Hydro Power), G.R. Infraprojects Ltd. highlights the technology incorporated for safety in construction during the course of the Tehri Pump Storage Project and cites examples

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Tunnelling in Challenging Topography & Geological Conditions for a Railway Doubling Project in Eastern Ghats

Tunnelling in Challenging Topography & Geological Conditions for a Railway Doubling Project in Eastern Ghats

The East Coast Railway is constructing a new railway line parallel to an existing one in the Koraput-Singapur Road section. This 164-km long railway line has 36 existing tunnels and 24 tunnels for proposed second line. The existing line was constructed

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China’s first EPB TBM exported to South America was off the Production Line at CRCHI

China’s first EPB TBM exported to South America was off the Production Line at CRCHI

On September 27th, China’s first EPBM to be exported to South America, manufactured by CRCHI, left the production line. With a total length of 105m and an excavation diameter of 9.8m, the TBM will be soon deployed at the first metro project in South

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Role of Drum Cutters in Tunnel Construction

Role of Drum Cutters in Tunnel Construction

Drum cutters are multifaceted tools that find extensive use in engineering and construction industries; they are indispensable for excavation and tunnelling, crushing road pavement, and in mining operations. Tunnel construction has always been

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Waterproofing Tunnels

Waterproofing Tunnels

Keng Senephimmachack, Business Development Consultant, DYK Group, Canada, throws light on the importance of waterproofing tunnels, types of waterproofing membranes available, their advantages and disadvantages, and why choosing the right solution

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Navigating The Subterranean

Navigating The Subterranean

Dr. Manoj Verman, delves into the intricacies of India’s tunnelling landscape, exploring its challenges, achievements, technological advancements, highlighting the pressing need for improvements, and exploring cutting-edge technologies

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TERRATEC - Hard Rock Double Shield TBM starts operations in Vishnugad-Pipalkoti Hydropower project

TERRATEC - Hard Rock Double Shield TBM starts operations in Vishnugad-Pipalkoti Hydropower project

TERRATEC is pleased to announce that the Ø9.86m Hard Rock Double Shield TBM has commenced excavation for Vishnugad-Pipalkoti Hydropower Project in India. The TBM is currently working for Hindustan Construction, which is the main contractor of this

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Carbon Saving Initiatives Boosting PSCL Development

Carbon Saving Initiatives Boosting PSCL Development

According to Benoit de Rivaz, Technical Director, Bekaert BP Underground Solutions, carbon saving is boosting further development of Permanent Sprayed Concrete Lining (PSCL). Achieving decarbonisation in tunnel construction is not only possible

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CRCHI - Mega Slurry TBM Jinghua Completes West Line Tunnel of Beijing East Sixth Ring Road Reconstruction Project

CRCHI - Mega Slurry TBM Jinghua Completes West Line Tunnel of Beijing East Sixth Ring Road Reconstruction Project

On June 28th, the Beijing East Sixth Ring Road Reconstruction Project reported that its slurry TBM “Jinghua” had successfully made a breakthrough on the west line tunnel. This marks that the first line of China’s longest shield machine expressway tunnel

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Sandvik Inaugurates New Tunnelling Jumbo Drill Manufacturing Facility in Pune

Sandvik Inaugurates New Tunnelling Jumbo Drill Manufacturing Facility in Pune

In line with its ‘Make in India’ vision, Sandvik’s new and highly advanced Tunnelling Jumbo Drill manufacturing facility underscores its commitment to local manufacturing, maintaining its high-quality standards, designed for use in Indian projects

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Φ14.02 TBM ‘New Crossing’ Assists the Breakthrough of Shanghai Airport’s Link Line Tunnel Section Paralleling with High Speed Railway

Φ14.02 TBM ‘New Crossing’ Assists the Breakthrough of Shanghai Airport’s Link Line Tunnel Section Paralleling with High Speed Railway

On 12th April 2023, the 14.02-meter large diameter CRCHI TBM named ‘New Crossing’ successfully completed its Lot II tunnel section tunnelling of the Shanghai airport link line of the first municipal railway. The Shanghai Airport Link Line Lot II is the key

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CRCHI Creates World Record - Deploys 52 TBMs at Guangzhou Metro Construction

CRCHI Creates World Record - Deploys 52 TBMs at Guangzhou Metro Construction

The construction project of Guangzhou Metro Line 18/22 - the largest metro investment in China - has attracted much attention. CRCHI has tailored 52 φ8.8m EPB/Slurry TBMs for the project, creating a world record of the largest TBM construction group

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Managing Geological Complexity in BVC and PAC of Tehri PSP

Managing Geological Complexity in BVC and PAC of Tehri PSP

Tehri hydroelectric project is located on the left bank of River Bhagirathi in the state of Uttarakhand. Tehri Pumped Storage Project (PSP) comprising 4 reversible pump-turbine units of 250 MW each, involves construction of an underground Machine Hall

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New-Gen DRAMIX® Fiber Reinforced Precast Segment Allows Eco Efficiency & Performance

New-Gen DRAMIX® Fiber Reinforced Precast Segment Allows Eco Efficiency & Performance

As mentioned in the fib bulletin 83 on Fibre Reinforced Precast Segment: for sustainable use of structural concrete, environmental and mechanical performances of concrete structures must have the same importance. Through sufficiently high mechanical

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Breakthrough by two 15.01m Slurry TBMs of CRCHI in two projects

Breakthrough by two 15.01m Slurry TBMs of CRCHI in two projects

On March 12th 2023, the breakthrough by the largest slurry TBM in China’s Hunan Province marked the completion of the right line tunneling of the Xiangya Road river-crossing tunnel in Changsha City. It represents the largest diameter shield machine tunnel

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Sela Tunnel Project - Overcoming The Impossible

Sela Tunnel Project - Overcoming The Impossible

The responsibility for construction and maintenance of Balipara-Charduar-Tawang (BCT) Road has been entrusted to Border Roads Organisation (BRO). The 317.520 km long road connects West Kameng and Tawang districts of Arunachal Pradesh to the rest

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Slurry TBM ‘Channel Express’ launched by CRCHI for working in Water Supply Tunnels in Singapore

Slurry TBM ‘Channel Express’ launched by CRCHI for working in Water Supply Tunnels in Singapore

On February 1, 2023, CRCHI attended the launching ceremony of its Slurry TBM ‘Channel Express’. It will be used in the construction of key water supply tunnel project TWRP Pipeline Contract 1 in Singapore where it will bore 1.6km with the inner diameter

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China’s Largest TBM - With Panda Face Emerges From Tunnel

China’s Largest TBM - With Panda Face Emerges From Tunnel

On 12 December 2022 ‘Jinxiu’ - China’s largest EPB TBM developed by CRCHI - marked the first smooth breakthrough of the Jinxiu Tunnel, a key control project of the Chengdu-Zigong high-speed railway. Jinxiu is China’s largest diameter EPB TBM with

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STRUCINSPECT Technology Transforms Inspection of Los Angeles Metro Tunnel Network

STRUCINSPECT Technology Transforms Inspection of Los Angeles Metro Tunnel Network

With drones, multispectral optics, and AI, Austrian joint venture transforms tunnel inspection in the US. The world’s first infrastructure lifecycle hub taps the rapidly growing global market for infrastructure inspections. The remarkable thing about

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CRCHI showcases total solutions of Underground Engineering Equipment

CRCHI showcases total solutions of Underground Engineering Equipment

China Railway Construction Heavy Industry Corporation Limited (CRCHI) brought the whole industry chain products and solutions to bauma CONEXPO INDIA 2023. CRCHI exhibited TBMs, drilling and blasting method equipment, cotton pickers, and other

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Sandvik sets up new factory; hands over first ‘made in India’ tunnelling jumbo to KSR Group, Hyderabad

Sandvik sets up new factory; hands over first ‘made in India’ tunnelling jumbo to KSR Group, Hyderabad

In a historic event held on 30th January, 2023 Sandvik proudly presented the key of the first ‘made in India’ DT820 Tunnelling Jumbo to Mrs. and Mr. Koneru of KSR Group, Hyderabad. The machine was rolled out from Sandvik’s newly set-up state-of-the-art

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CRCHI Slurry TBM ‘Avni’ Helps Make a Breakthrough in Bangalore Metro Project

CRCHI Slurry TBM ‘Avni’ Helps Make a Breakthrough in Bangalore Metro Project

The 6.6m Slurry TBM developed by CRCHI exited the tunnel at Vellara Station, Phase II of Bangalore Metro in India, becoming the first TBM to complete the breakthrough for the whole line of the project. Avni is one of the four slurry TBMs provided by CRCHI

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The Bolter Miner - A Technology Revolution for Roadway Development in Underground Coal Mining

The Bolter Miner - A Technology Revolution for Roadway Development in Underground Coal Mining

In India, coal is still the primary source of energy; over the past few years, there has been quantum jump in coal production level, but it was mostly due to the high percentage share from the opencast sector. The country is witnessing a fast

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CRCHI emerges as provider of total underground engineering equipment and solutions

CRCHI emerges as provider of total underground engineering equipment and solutions

China Railway Construction Heavy Industry Corporation Limited (CRCHI) showcased its comprehensive range of equipment and products at bauma that included solutions for the whole industry chain in the field of

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Herrenknecht AG wins bauma Innovation Award 2022 for development of continuous tunnelling

Herrenknecht AG wins bauma Innovation Award 2022 for development of continuous tunnelling

Herrenknecht AG won the highly coveted award bauma Innovation Award 2022 in the category “Machine Technology” for the new development of continuous tunnelling. The award was given for the next innovation boost in the mechanized

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The Genesis of Underground Engineering

The Genesis of Underground Engineering

Regardless of the tunnelling technology used, tunnel designers decide the future success or failure at an early project stage. In fact, designers are the real managers of tunnel construction. The choice of design together with selected contract model is

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