A study of displacements of structures in the vicinity of deep excavation

• Autorzy: Mitew-Czajewska Monika

Identyfikatory

DOI

10.1016/j.acme.2018.11.010

• Języki publikacji: EN

Abstrakty

EN

In the article the aspects concerning the excavation impact and values of displacements of the ground and existing structures in the vicinity of deep excavations are presented. Four cases of excavations in typical Quaternary soils of Warsaw executed in the close proximity to the existing metro tunnels (and station) are described with special emphasis put on the description and analysis of experimental data including in-situ measurements of vertical displacements of existing metro structures. The discussion and conclusions on the displacements of structures (EPB TBM tunnels with segmental lining and cubature metro stations) in the vicinity of excavations depending on their location relative to excavation are presented. Typical ranges of displacements in relation to the depth, distance and type of structures influenced by deep excavations are given. Equation for the prediction of vertical displacements of TBM tunnels in the vicinity of deep excavation is formulated. In addition, the 2D finite element modelling of one of the described example cases is made and presented in detail. The results of FE analysis are compared to the actual experimental monitoring data.

Słowa kluczowe

EN

deep excavation; impact zone; displacements; numerical analysis

PL

wykopaliska; analiza numeryczna; metro

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 2
• Strony: 547--556
• Opis fizyczny: Bibliogr. 28 poz., rys., tab., wykr.

Twórcy

autor

Mitew-Czajewska Monika

• Warsaw University of Technology, Institute of Roads and Bridges, 16 Kaczyńskiego St., 00-637 Warsaw, Poland

Bibliografia

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