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Coursera

Tunnel Construction Practices

L&T EduTech via Coursera

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Overview

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The course on "Tunnel Construction Practices" provides a comprehensive and interdisciplinary exploration of tunnel engineering. Beginning with an in-depth understanding of tunnel components and the intricacies of the design process, the course covers failure types and emphasizes the critical importance of safety. It delves into various excavation methods, considering geological factors, and explores the types of supports crucial for tunnel stability. The modules further cover design methodologies, instrumentation, monitoring strategies, and the application of tunnel boring machines. Through a holistic approach, learners gain practical insights into the planning, design, and construction of tunnels, ensuring a well-rounded skill set for successful and safe tunnel construction practices. This course is majorly for consumption in the Indian subcontinent and the target audience are undergraduate and post graduate students, faculties and freshers who has entered the industry as young professionals. Target Learners This course is majorly for the leaners in the Indian Subcontinent  Undergraduate students in Civil Engineering  post graduate students in geotechnical Engineering  faculties and freshers who has entered the industry as young professionals

Syllabus

  • Tunnels
    • The module on tunnels covers essential aspects of tunnel engineering, beginning with an exploration of tunnel components and the intricate design process. It examines the various failure types that tunnels may experience and emphasizes the critical importance of tunnel safety. The module delves into diverse methods of excavation employed in tunnel construction, considering factors like geology and project requirements. Additionally, it explores the types of supports used to ensure the stability and safety of tunnel structures. Through this comprehensive approach, learners will gain a well-rounded understanding of the key elements involved in tunnel engineering, from design and construction methods to safety protocols and support systems.
  • Methods of Tunnel Construction
    • The "Methods of Tunnel Construction" module provides a comprehensive exploration of various techniques employed in tunnel engineering. It commences with an introduction, offering foundational insights. The Cut and Cover method, emphasizing surface disruption, and the Boring method, employing advanced machinery, are discussed. The module delves into the drill and Blast method, Box Pushing, and Pipe Jacking techniques, exploring their applications and advantages. The course then covers the Shaft method, Sequential Excavation, and the unique challenges of Underwater tunnels. Learners will gain a holistic understanding of drained and undrained tunneling conditions, equipping them with the knowledge to assess, select, and implement appropriate construction methods based on project requirements and geological considerations.
  • Design Methodology
    • The "Design Methodology for the Construction of Tunnels" module offers a comprehensive exploration of crucial elements in tunnel engineering. It initiates with rock mass classification, providing foundational knowledge for assessing geological conditions. The course delves into various tunnelling methods, emphasizing the New Austrian Tunnelling Method (NATM) and the Norwegian Tunnelling Method (NMT). A comparative analysis between NATM and NMT in soft and hard ground conditions enriches the understanding of their applications. Geotechnical and geological inputs are explored, guiding the design process. The module covers empirical and semi-empirical design methods, joint set analysis, and numerical approaches, culminating in support recommendations. Learners gain proficiency in applying diverse design methodologies, ensuring informed decision-making in tunnel construction projects
  • Instrumentation and Monitoring
    • The "Instrumentation and Monitoring in Tunnel Construction" module provides a comprehensive exploration of the essential aspects associated with implementing instrumentation and monitoring systems. It initiates with an introduction, outlining the purpose of such systems in tunnel construction. The module delves into the planning process, emphasizing the strategic approach to instrumentation and monitoring. Learners will gain insights into typical geotechnical measuring systems used in underground tunnels, focusing on loads, stresses in support systems, and water pressure monitoring. Real-world application is demonstrated through a project case study, where trigger limits and a monitoring plan are discussed. This module equips participants with the knowledge and skills needed to implement effective instrumentation and monitoring strategies, ensuring the safety, stability, and success of tunnel construction projects
  • Tunnel Boring Machines
    • The "Tunnel Boring Machines (TBMs)" module provides a comprehensive exploration of mechanized tunnelling, beginning with a historical overview. It covers various types of TBMs, delving into essential components and the intricacies of TBM selection. The module details the stages of TBM construction, offering insights into project details and design considerations. Learners will gain proficiency in numerical modeling and analysis of TBM tunnels, along with design checks and construction impact assessments. The course addresses common problems encountered in TBM tunnelling and emphasizes effective mitigation strategies. This module equips participants with the knowledge and skills required to navigate the complexities of TBM technology, ensuring successful and efficient tunnel construction.

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