Program Description

Expanding cities necessities vertical expansions above and below the ground. Effective usage of underground spaces for transportation and storage facilities is the key to achieve these expansions. A comprehensive understanding of the execution of deep excavations for construction of these underground facilities is vital for an Engineer in this infrastructure era. This course has a systematic and concise treatment to geological and geotechnical aspects of deep excavations and tunneling, Construction methodologies for tunnels, caverns and shafts, Instrumentation monitoring of underground construction, Support systems for deep excavations, Software tools like PLAXIS 2D, WALLAP, RocLab and code provisions in deep excavations and tunnels.

Objective:

  • To introduce various underground structures such as tunnels, caverns, shafts and UG stations.
  • To explain the construction methodology, support systems like diaphragm walls, sheet piles and challenges in the constructions of tunnels, caverns, shafts, and stations.
  • To cover design aspects in the field on geotechnical/rock engineering and tunneling, Instrumentation and monitoring of tunnels.
  • To introduce geotechnical software tools.

Course login valid for 4 months from the date of enrolment

Key Highlights

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Introduction to Underground Tunnels

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Site Investigation

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Tunnel Construction Methods

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Tunnel Design Methodologies

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Tunnel Support Systems

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Instrumentation and Monitoring

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Design and Construction of Deep Excavations

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Caverns, Shafts and Underground Stations

Course enrollment data

Learning Format

Online

Duration

14 weeks

Certified by

IITM Pravartak Technologies Foundation
Technology Innovation Hub (TIH) of IIT Madras and
L&T EduTech

Program Fee

Rs. 5300/- inclusive of Tax

Downloads

Program Description

Program Brochure

Education Qualification

•    Students pursuing Diploma / UG / PG Programs in Civil and other allied domains
•    Faculties in the field of Civil and other allied domains
•    Working professionals in the above domains

Suggested Prerequisites

Soil Mechanics, Foundation Engineering, Structural Analysis

Teaching Hours

28 hours

Lead Faculty

Dr.G.D Raju, L&T Construction
Dr.G.D Raju is a Rock & geomechanics Engineer and a former Scientist at “National Institute of Rock Mechanics” . He earned his PhD from McGill University, Canada and has experience in working in projects across India, Canada, Singapore and Bhutan. With extensive experience of over 25 years in the field of Mining, tunneling, oil and natural gas and Civil construction he heads the geotechnical division of Heavy Civil Infrastructure at Larsen and Toubro. He and his team are involved in design of tunnels, caverns, Foundation of bridges and geotechnical aspects of nuclear reactor projects.

Learning Schedule

General Description of Various Tunnels and other underground structures, Components of a tunnel, Stress around an underground opening, Methods of excavations, Subsurface investigation
Surface investigation, Sampling Techniques, Laboratory and in-situ testing of soil and rock, Indian standard codes

Factors affecting the choice of method of tunnel construction, Cut and cover method, Bored method, Drill and blast method, Sequential excavation method and shaft method, Norwegian tunnel boring method (NTM), New Austrian tunnel boring method (NATM), Methods of construction of caverns and shafts and underground stations, Challenges and solutions for execution of these methods, Different types of Tunnel boring machines.

Rock mass classification, Geotechnical and geological inputs for design, Empirical, semiempirical and joint set analysis, Numerical 2D modelling and final support recommendations, Need for Instrumentation and monitoring in tunnels, Types of Instruments - Planning and execution

Need for pre-excavation support system, Fore piling, Bolts and Anchors, Shotcrete, wire meshes, lattice girders and integrated support systems, Different types of retaining structures and their applicability. Secant piles, Sheet piles, contiguous piles and soldier piles and D wall. Requirement of investigation to be carried out for underground structure, Preparation geotechnical interpretation report for design of retaining structure, Numerical analysis to be performed for temporary / permanent retaining system, Introduction to software to be used in embedded retaining system, Case studies.

Introduction to interpretation using Rock data, Introduction to Wallap, Introduction to Plaxis
Introduction to RS-2, Introduction to CIRIA 143, Wallap and their application Practical application & case studies



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