Virtual Lecture on : High performance steel & composite anchors in CETS, NHIDCL Tunnelling Association of India the tunneling industry 27 July, 2021, 15:00 to 17:00 hours

ABOUT THE SPEAKER Brief CV of Panelists Er. Pierre HOFMANN - M. Eng / MSc Project Mgt Mr. Sanjeev Gupta, Senior General Manager Pierre graduated with a Master of Engineering in TATA Consulting Engineers Limited has over from “Ecole Centrale de Lille” and a Master of 29 years of experience in handling various Civil Science in Project Management from “SKEMA Engineering projects as a design as well as Site Lille”. Engineer. He graduated from Pune University in 1992 and did his masters in Geotechnical He joined Dextra in 2007 to develop ‘Fiber Engineering from Mumbai University in 1998. Reinforced Polymers’ (FRP) soft-eye He is having experience in multiple sectors of Civil Engineering like- technology used in metro systems. He led • Worked as a Geotechnical designer/Reviewer/Guide for the the development of FRP anchors used first on projects of Nuclear, hydro and thermal power plants, Hydrocarbon Doha metro (Qatar) then in India on DMRC and Chemical, Infrastructure (smart cities, roads, highway, III, Metro and . Lately, he has been bridges, metro), Industrial etc. Design expertise includes promoting FRP as a permanent reinforcement and a substitution Geotechnical design of tunnel, cavern, earthen dam, ground to steel rebars, which was adopted in 2018 on the world largest improvement, land reclamation, Geotechnical Investigation, underground oil-storage cavern. After 14 years at Dextra, Pierre is Liquefaction analysis, Deep foundation, etc. General Manager - Geotechnical Product-Line. • Worked as Overall project manager/guide for Infrastructure ABOUT THE PROGRAMME development projects like development of township, smart cities, Ropeways, bridges, metro, railway station redevelopment, and The presentation will be focused on introducing solutions & integrated traffic management system of Madurai city. applications that are gaining momentum internationally and not He is a member of Bureau of Indian Standards Civil Engineering necessarily well established in India today. Replacing a rebar-bolt Division 43- Soil and Foundation Engineering Life” He is life by a high performance fully threaded bar is a cost-effective solution member of many professional bodies like IEI, IGS IOE, Zambia, that allows large productivity gains on several accounts: smaller ISRM (TT). Based on practical challenges in geotechnical field, he borehole, lighter bolt, less grouting, length flexibility. Alternative had presented various paper in different conferences on the topics GFRP rock bolts can also be used in many applications, the most and also published articles in technical publications. established one being for the face of the tunnel, considering their cut-ability. But GFRP rock bolts are also available in permanent Mr. Sunil Chandnani, General Manager/ UT- grades, suitable for permanent support in hard rock mined GC, RITES Ltd., Govt. of India undertaking under structures over 120 years. Finally, considering the advantages of Ministry of Railways. He has Over 30 years of both materials, binding steel & composite products together offers experience in the Planning & Design of Bridges, highly versatile solution. Hybrid post-tensioned ground anchors Flyovers, Metro structures, Prestressed and offer the best solution for temporary retaining structure in deep Reinforced Concrete Structures. He graduated excavations. from IIT, Kharagpur in 1984 and did his masters from IIT, Delhi in 1988. He was involved in design of many prestigious SUBTOPICS Metro structures for Bangalore Metro, Metro rail viaducts, elevated/ • High Performance Steel Fully-Threaded bolts – used for portal underground stations and number of steel composite ROBs, etc. He formation and temporary support in mined tunnels specializes in planning and designing of Metro Depots. To his credit • High Performance Glass Fiber Reinforced-Polymer (GFRP) are Shastri Park, Khyber Pass Depot for DMRC, Bayapanhally and bolts – used for face support in mined tunnels. Peenya Depot for Bangalore Metro and Gyaspur and Apparel Park Depot for Ahmadabad Metro. All these Depot are commissioned • High Performance Glass Fiber Reinforced-Polymer (GFRP) and in operation. Presently he is handling and Metro bolts – used for permanent support in mined caverns. line Depots, which are designed for driverless train operation, which • High Performance Hybrid tendons (steel/FRP) – used as post- is now in vogue worldwide. He is a member of BIS and published tensioned ground anchor in underground stations. number of papers in national conferences and journals.

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