Design and Construction of Tunnels

1. Front Matter

   Pages I-XVII

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2. From the research to ADECO-RS

   1. Front Matter

      Pages 1-1

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   2. The dynamics of tunnel advance

      Pages 3-13

   3. The deformation response of the medium to excavation

      Pages 15-67

   4. Analysis of the deformation response according to the ADECO-RS approach

      Pages 69-91

   5. Control of the deformation response according to the ADECO-RS approach

      Pages 93-104

   6. The analysis of controlled deformation in rocks and soils

      Pages 105-117

3. The design stage

   1. Front Matter

      Pages 119-119

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   2. The survey phase

      Pages 121-152

   3. The diagnosis phase

      Pages 153-173

   4. The therapy phase

      Pages 175-238

4. The construction stage

   1. Front Matter

      Pages 239-239

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   2. The operational phase

      Pages 241-320

   3. The monitoring phase

      Pages 321-370

   4. Final considerations

      Pages 371-380

5. Back Matter

   Pages 381-576

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To those who believed… Geological hazard and the lack of appropriate survey, design and construction inst- ments for tackling those terrains we call “diffcult”, with good prospects of success, have always made the design and construction of underground works a risky affair, which could not therefore be faced with the same degree of accuracy as other civil engineering works. As a consequence they have always occupied a subordinate position with respect to similar surface constructions and in the past they were only resorted to when the latter seemed impractical or of little use. However, decisive progress made in the feld of geological surveys, the availability of powerful computers for making calculations and above all the introduction of exca- tion technologies that are effective in all types of ground have created the conditions for a qualitative quantum leap forward. The last formidable negative factor to be overcome to achieve that transparency in this feld, which has until now been the prerogative of traditional surface works, remains the absence of a modern and universally valid design approach, capable, that is, of integrating and exploiting the new capabilities and of gu- ing the design engineer through the stages of design and construction.

• Deformation Response
• Diagnosis
• Response Control
• Therapy
• Verification
• deformation
• safety
• stress

• Rocksoil SPA, Milano, Italy

  Pietro Lunardi

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