NPTEL : NOC:Underground Space Technology (Civil Engineering)

Co-ordinators : Prof. Priti Maheshwari


Lecture 1 - Basics of Rock Engineering: Introduction

Lecture 2 - Basics of Rock Engineering: coring, sampling, UCS of intact rock

Lecture 3 - Basics of Rock Engineering: Tensile strength and shear strength of intact rock

Lecture 4 - Basics of Rock Engineering: Classification of intact rocks, concept of rock mass, RQD

Lecture 5 - Basics of Rock Engineering: Classification of rock mass - 1

Lecture 6 - Basics of Rock Engineering: Classification of rock mass: Q-system and GSI

Lecture 7 - Basics of Rock Engineering: Failure criteria for rocks - 1

Lecture 8 - Basics of Rock Engineering: Empirical failure criteria

Lecture 9 - Tunneling: Underground excavations

Lecture 10 - Tunneling: Ground conditions

Lecture 11 - Planning of and exploration for underground construction projects

Lecture 12 - Underground excavation failure mechanisms

Lecture 13 - Application of stereographic projection method: roof failure

Lecture 14 - Application of stereographic projection method: sidewall failures - 1

Lecture 15 - Application of stereographic projection method: sidewall failures - 2

Lecture 16 - Elastic stress distribution around circular tunnels - 1

Lecture 17 - Elastic stress distribution around circular tunnels - 2

Lecture 18 - Elastic analysis of circular tunnels-displacements

Lecture 19 - Thick wall cylinder in biaxial stress field

Lecture 20 - Stress distribution around non-circular openings in elastic ground conditions - 1

Lecture 21 - Stress distribution around non-circular openings in elastic ground conditions - 2

Lecture 22 - Stress distribution under different in-situ stress conditions: design principles

Lecture 23 - Stress distribution for multiple openings

Lecture 24 - Openings in laminated rocks - 1

Lecture 25 - Openings in laminated rocks - 2

Lecture 26 - Openings in laminated rocks - 3

Lecture 27 - Openings in laminated rocks - 4

Lecture 28 - Elasto-plastic analysis of tunnels: Tresca yield criterion - 1

Lecture 29 - Elasto-plastic analysis of tunnels: Tresca yield criterion - 2

Lecture 30 - Elasto-plastic analysis of tunnels: Mohr-Coulomb criterion

Lecture 31 - Application of rock mass classification system: Terzaghiâs rock load theory - 1

Lecture 32 - Application of rock mass classification system: Terzaghiâs rock load theory - 2

Lecture 33 - Application of rock mass classification system: rock mass rating (RMR)

Lecture 34 - Tunnel hazards

Lecture 35 - Tunnel hazards: squeezing ground conditions

Lecture 36 - Application of rock mass classification system: rock mass quality system - 1

Lecture 37 - Application of rock mass classification system: rock mass quality system - 2, NATM, NMT

Lecture 38 - Modulus of deformation of rock mass using Q-system, rock mass number, plate loading test

Lecture 39 - Modulus of deformation of rock mass: uni-axial jacking/plate jacking test

Lecture 40 - Modulus of deformation of rock mass: radial jacking test and Goodman jack test

Lecture 41 - Rock mass support interaction analysis: ground response and support reaction curves - 1

Lecture 42 - Rock mass support interaction analysis: ground response and support reaction curves - 2

Lecture 43 - Rock mass support interaction analysis: influencing factors, Ladanyiâs E-P analysis

Lecture 44 - Ladanyiâs elasto-plastic analysis of tunnels: analysis of stresses and deformations

Lecture 45 - Rock-support interaction analysis: required support line, analysis of available support

Lecture 46 - Rock-support interaction analysis: for shotcrete/concrete lining and blocked steel sets

Lecture 47 - Rock-support interaction analysis: for ungrouted rock bolts, grouted rock bolts/cables

Lecture 48 - Calculation sequence for rock-support interaction analysis - 1

Lecture 49 - Calculation sequence for rock-support interaction analysis - 2

Lecture 50 - Calculation sequence for rock-support interaction analysis - example

Lecture 51 - Methods of tunnel excavation, various support systems: shotcrete

Lecture 52 - Shotcrete

Lecture 53 - Various support systems: rock bolts

Lecture 54 - Permeability and groutability - 1

Lecture 55 - Permeability and groutability - 2

Lecture 56 - Rock stress determination: flat jack test

Lecture 57 - Rock stress determination: hydraulic fracturing technique

Lecture 58 - Instrumentation and monitoring of tunnels - 1

Lecture 59 - Instrumentation and monitoring of tunnels - 2

Lecture 60 - Few case studies