Dr. Manoj Verman

Tunnelling & Rock Engineering Expert President, International Commission on “Hard Rock Excavation” President, Indian National Group of ISRM Past Vice President at Large, ISRM Board Past Vice President, Indian Society of Engineering Geology

27 - 30 April 2022
Le Méridien, New Delhi
Time: 9am to 5pm

Course Contents

  • Various methods of tunnel excavation in hard and soft grounds and the role of Tunnel Boring Machines
  • Understanding the fallacies and misconceptions of inequitable comparison between NATM and TBM
  • History of Tunnel Boring Machines
  • Assessment of applicability of TBMs and selection of TBM for a project
  • Geological investigations and impact of geological/geotechnical factors on TBM operations
  • An overview of types of TBMs
  • Gripper TBM/ Main Beam TBM/ Open TBM – Operating principle, components and other details, applicability, case-studies
  • Single Shield TBM – Operating principle, components and other details, applicability, case-studies
  • Double Shield TBM – Operating principle, components and other details, applicability, case-studies
  • Earth Pressure Balance (EPB) TBM – Operating principle, components and other details, applicability, case-studies
  • Slurry Shield TBM – Operating principle, components and other details, applicability, case-studies
  • Hybrid/Crossover/Multi-mode/Variable Density TBMs
  • Tunnel support during excavation by TBM: Support of face, Support of cavity at the shield, Support of Cavity behind the shield
  • Tunnel lining – traditional support systems, segmental lining, McNally support system
  • TBM cutting tools
  • Chemicals and grouts for TBM tunnelling
  • Tunnel Soft Eye
  • Use of TBMs in difficult ground conditions - fault zones, squeezing, rock bursts, high water pressure
  • Constraints of urban tunnelling
  • Planning and logistics aspects of mechanized metro tunnelling
  • Speeding up a TBM Project

Course Fee

National Delegate


International Delegate


Knowledge Partner

Oration Partner


Bekaert is a world market and technology leader in steel wire transformation and coating technologies with its presence in more than 120 countries. We pursue to be the preferred supplier for our steel wire products and solutions by continuously delivering superior value to our customers worldwide. Bekaert (Euronext Brussels: BEKB) is a global company with more than 27,000 employees worldwide, headquarters in Belgium and € 4.4 billion in combined revenue. Please visit for more details here
Bekaert India: Bekaert has a legacy of more than 35 years in India where we first delivered our Fibre solutions to prestigious Srisailam Project (Andhra Pradesh) in the year 1985. Till 2005 Bekaert was actively associating with projects like Nathpa Jhakri, Tala HEP, etc. providing Fibre Solutions in Spray Concrete applications under the agency agreement with Tata steel. Bekaert started its Sales and Marketing operations in India in the year 2007 with its headquarters in Pune and for more than 15 years have been innovating in various aspects of tunnel lining solutions like Steel Fibre Reinforced Temporary/ Permanent Spray Concrete, Steel Fibre Reinforced Cast-in-Situ Lining and Steel Fibre Reinforced Segmental Lining for TBM Tunnels.
Since 2014, Bekaert is manufacturing all types of steel fibres locally in India from its Satara (Maharashtra) based plant with a current capacity of ~40KT annually and is also exporting its Dramix® Range of Fibres to other parts of the world. Our world class manufacturing facility is ISO 9001 & 14001 Certified, and all material produced in this facility comes with CE Certification which is necessary document for steel fibres.
Currently Bekaert is working closely with Underground Industry in India to bring in highly economical solutions in the Tunnel Lining. Some of the key projects like Bhanupalli Bilaspur Rail Line Project, Tunnel T 49 of USBRL project have been successfully converted from conventional rebars to Steel Fibre Reinforced Concrete for Cast-in-Place Final Lining. In addition to this, Bekaert has provided its technical solutions and steel fibres for converting DFCC Sohna Tunnel & Mumbai Metro Sahar Crossover Section from cast-in-place final lining to Permanent Spray Concrete Lining with Steel Fibre Reinforcement which resulted in substantial cost & time savings for the projects. We are also associating with various TBM Tunneling projects to implement SFRC for Segmental Lining which can economise and expedite the projects and reduce the carbon footprint on the environment.

Media Partners


Le Méridien New Delhi
Windsor Place,
New Delhi,
Delhi 110001, India
Phone +91 11 2371 0101

Contact Us

Dr. Manoj Verman

C-1004, Park View City-2, Sohna Road,
Gurgaon-122018, India


Ms. Asma Sathar

C-1004, Park View City-2, Sohna Road,
Gurgaon-122018, India