Unit 1 Need for underground space Storage of materials, defense facilities

3 lecture hours

• including civil defense shelters
• Nuclear waste Disposal

Unit 2 Geo- engineering Investigations

4 lecture hours

• Preparing sub-surface geological x- section
• geo- radar use and data analysis for shallow tunnels
• Physio- mechanical properties and collection of rock mechanical data

Unit 3 Planning & Design

• Determination of appropriate size and shape
• Design of opening in rocks with the help of filed data
• instrumentation and monitoring
• Numerical modeling to assess the stability

Unit 4 Underground Storage

• Storage for petroleum
• storage technique
• ground water requirements
• water curtain system
• types of storage
• advantages and disadvantages
• global information about oil storage
• selected case histories

Unit 5 Large Caverns

• Dimensioning of the cavern
• study of in situ state of stress and stability of side walls
• Effect of situ stress in deciding the axis of cavern
• Excavation for shallow and deep tunnels and caverns

Unit 6 Shield tunneling, earth pressure balancing shields, types of shields and selection

6 lecture hours

• Excavation sequence for large cavern
• machines for excavation and muck transport
• blast design and blasting technique
• Support design and stabilization techniques: Design of steel supports

Unit 7 Environmental Aspects

• Analysis of exhaust fumes
• standards for ventilation in traffic tunnels and other underground facilities
• Design of ventilation system. 4 Subject Code: 3172218 w.e.f