The Tunnel Construction course is your gateway to a thrilling sector that is experiencing unprecedented growth and demand. As urbanisation accelerates and infrastructure projects multiply, tunnelling experts are essential for shaping the the future of transport and utilities. This course provides a comprehensive overview, equipping you with key skills such as understanding different tunnelling methods, calculating structural integrity and assessing environmental impacts. Through engaging content, you will explore historical developments and contemporary techniques, making you a valuable asset in a thriving sector. By taking part, you will position yourself at the forefront of an industry that is vital for urban development and sustainability. Join us to unlock your potential in this dynamic and rewarding field, paving the way for a successful a career in tunnel construction.
Tunnel construction
Civil Engineering and Structures
50 hours
Introduction
Objectives
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Identify the key historical developments in tunnel construction and their significance in engineering practice.
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Understand the various types of tunnels and their cross-sections for an effective project planning and implementation.
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Apply calculation methodologies for tunnel portals and structural linings based on ground investigation data.
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Evaluate different excavation methods and select the most suitable one for specific tunnelling projects.
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Analyse the impact of underground works on surrounding areas, including settlement and hydrogeological effects.
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Implement ground treatments and reinforcements to improve stability and safety in underground construction.
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Assess the role of supports and linings in tunnel construction for ensuring longevity and structural integrity.
Table of Contents
TEACHING UNIT 1. A HISTORY AND INTRODUCTION TO DIFFERENT TYPES OF TUNNELS
1. Definition of a tunnel
2. Uses
3. History
4. Key factors in the development of underground engineering
5. Types of tunnels. Cross-sections
6. References
TEACHING UNIT 2. CALCULATION METHODOLOGY
1. Introduction
2. Ground investigation and characterisation
3. Calculation of tunnel portals
4. Tunnel calculations
5. Linings
6. Case studies
7. References
TEACHING UNIT 3. CONSTRUCTION & EXCAVATION METHODS
1. The technological evolution of tunnelling
2. Traditional methods
3. Drilling and blasting
4. Mechanised methods: roadheaders and TBMs
5. Choice of excavation method
6. Stages of excavation
7. References
TEACHING UNIT 4. SUPPORTS & LININGS
1. Objective and types of support
2. Wooden boards, props and ribs
3. Steel sets and plates
4. Bolts and anchors
5. Shotcrete, welded mesh and fibres
6. New Austrian Tunnelling Method (NATM)
7. Segmental ring
8. Linings
9. References
TEACHING UNIT 5. IMPACT OF UNDERGROUND WORKS ON THE SURROUNDING AREA
1. Introduction
2. Calculation of settlement and cross-section loss
3. Instrumentation and monitoring of tunnels
4. Hydrogeological impact
5. References
TEACHING UNIT 6. GROUND TREATMENTS AND REINFORCEMENT FOR UNDERGROUND WORKS
1. Introduction
2. Facial treatments
3. Stabilisation of the crown
4. Stabilisation of the base
5. Treatment to protect buildings