E3S Web Conf.
Volume 266, 2021Topical Issues of Rational Use of Natural Resources 2021
|Number of page(s)||13|
|Section||Geotechnologies of Subsurface Development: Modern Challenges and Prospects|
|Published online||04 June 2021|
Assessment of differential subsidence harmful effects on large bridge structures during the underground space development
1 Saint-Petersburg Mining University, Department of Mine Surveying, Saint-Petersburg Mining University, St. Petersburg, Russia
2 Design and Survey Institute “Lenmetrogiprotrans”, Deputy Director General for Research, JSC Scientific Research, St. Petersburg, Russia
The purpose of the study was to confirm the capability of numerical simulation of soils shift and bridge structures elements deformations during underground construction. The main goal of this simulation was to assess the harmful effects of mining operations on the existing bridge load-bearing elements. Modeling of bridge structures undermining by earth pressure balance tunneling boring machines (EPB TBMs) was carried out both at the design stage for predicting deformations and at the stage of underground work completion.
© The Authors, published by EDP Sciences, 2021
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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