Scipediacontent: Scipediacontent moved page Draft Content 485160138 to Amorosi et al 2021a

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Scipediacontent moved page Draft Content 485160138 to Amorosi et al 2021a

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== Abstract ==

The development of urban mobility implies the construction of tunnels, often
interacting with valuable historical structures. It is thus necessary to develop rational and
reliable procedures to estimate the potential excavation-induced damage, dealing with complex
soil-structure interaction problems. Classical approaches are often characterised by relatively
simple schematisations for either one or both components of the problem, as, for example,
springs for the soil or equivalent plates for the structure. Such simplified assumptions prove to
be appropriate for simple soil-foundation cases, while show several limitations when tackling
more complex problems, as those involving the excavation in the vicinity or beneath historical
masonry structure. In such cases, the need for reliable prediction of the potential damage on
surface structures induced by construction activities justifies the adoption of advanced
numerical approaches. These need to be based on realistic constitutive assumptions for both
soils and masonry elements and require the definition of the three-dimensional geometry as
well as an accurate modelling schematisation of the excavation process. In this paper a 3D
Finite Element approach is proposed to model in detail the excavation of twin tunnels,
accounting for the strongly non-linear soil behaviour, interacting with monumental masonry
structures, carefully modelling their geometry and non-linear anisotropic mechanical
behaviour. The work focuses on a specific case-study related to the ongoing construction of the
line C of Rome underground.

== Full document ==
<pdf>Media:Draft_Content_485160138p973.pdf</pdf>
== References ==

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[2] Amorosi, A., Boldini, D., de Felice, G., Malena, M. and Sebastianelli, M. Tunnelling-induced deformation and damage on historical masonry structures. Géotechnique (2014) 64(2):118-130.

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[5] Burghignoli A., Callisto L., Rampello S., Soccodato F.M., Viggiani G.M.B. The crossing of the historical centre of Rome by the new underground Line C: a study of soil structure- interaction for historical buildings. In Geotechnics and Heritage: Case Histories, CRC Press, London (2013), pp. 97-136

[6] Benz, T. Small-strain stiffness of soils and its numerical consequences. Ph.D. thesis, Universität Stuttgart (2007).

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[8] Rampello S., Fantera L. and Masini L. Efficiency of embedded barriers to mitigate tunnelling effects. Tunnelling and Underground Space Technology (2019) 89:109-124.

[9] Lasciarrea, W.G., Amorosi, A., Boldini, D., de Felice, G. and Malena, M. Jointed Masonry Model: A constitutive law for 3D soil-structure interaction analysis. Engineering Structures (2019) 201.

[10] Sangirardi, M., Malena, M. and de Felice, G. Settlement Induced Crack Pattern Prediction Through the Jointed Masonry Model. In Proceedings of XXIV AIMETA Conference 2019, Springer International Publishing 24 (2020), pp. 1971-1980.

[11] Boscardin, M. D., and Cording, E. J. Building response to excavation-induced settlement. Journal of Geotechnical Engineering (1989) 115(1): 1-21.

[12] Sangirardi, M., Amorosi, A. and de Felice, G. A coupled structural and geotechnical assessment of the effects of a landslide on an ancient monastery in Central Italy. Engineering Structures (2020) 225.

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Scipediacontent: Scipediacontent moved page Draft Content 485160138 to Amorosi et al 2021a

Scipediacontent: Created page with "== Abstract == The development of urban mobility implies the construction of tunnels, often interacting with valuable historical structures. It is thus ne..."