Handbook on Tunnels and Underground Works

 Handbook on Tunnels and Underground Works

Handbook on Tunnels and Underground Works

The three sequential and integrated volumes have the purpose of offering a comprehensive and up-to-date scientific and technical content regarding the design and the construction of tunnels and underground works, useful for both universities and post-university studies and in the professional field.

As a handbook, it also aims to be a tool, in everyday tunnelling works, to rely on when facing specific dilemmas, such as:
  • the assessment of a specific geotechnical risk or a computational analysis problem .
  • the estimation of tunnel excavation rates or of the increased ground parameters achievable by a consolidation work
  • a search for suggestions or help in consulting data from previous important design and construction experiences

The first volume ‘Concept – Basic Principles of Design’ describes the different stages of a project, related to the management of the uncertainties (risk management) in the design of underground works, starting from the analysis of initial data and models:
functional data, geological and geotechnical model, and environmental framework.

The necessary theoretical elements are then provided for the development of computational calculations, with reference to the stability of the face and of the cavity, the analysis of the interaction with pre-existing structures and with the overall context and the design of temporary and permanent supports, both in static and dynamic conditions.

Specific detailed analysis is provided for monitoring activity during construction and for the design of refurbishment and maintenance of existing tunnels, always with reference to the definition of the theoretical basis and the main design elements.

Finally, we wouldn’t neglect the stakeholder engagement process, which is essential for the acceptance of wide and complex infrastructures, such as those underground, to which an entire chapter is dedicated. The second volume, ‘Construction – Methods, Equipment, Tools and Materials’, describes the main construction methods, the equipment, the machinery and the materials used for excavation, soil and rock enhancement, and construction of provisional
and final supports, providing results according to geotechnical contexts and boundary conditions.
A specific detailed analysis is provided on monitoring tools and site plants and logistics.

The third volume, ‘Case Histories and Best Practices’, describes a number of tunnelling experiences, focusing mainly on how the risks identified in Volume 1 have been addressed in the design and construction phases, and refers to specific cases, in Italy and abroad, in order also to present the Italian underground works’ know-how. To sum up: design theory (Volume 1), construction and technology and case histories and best practices .

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