Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings

Currently, new housing in city centers is more and more often developed on small plots of land, or existing buildings on such plots are rebuilt to such an extent that only their façade walls remain. In both cases, as a rule, a deep excavation is also made, either at the existing object or within its...

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Main Authors: Grzegorz Dmochowski, Jerzy Szolomicki
Format: Article
Language:English
Published: MDPI AG 2021-01-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/11/2/481
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author Grzegorz Dmochowski
Jerzy Szolomicki
author_facet Grzegorz Dmochowski
Jerzy Szolomicki
author_sort Grzegorz Dmochowski
collection DOAJ
description Currently, new housing in city centers is more and more often developed on small plots of land, or existing buildings on such plots are rebuilt to such an extent that only their façade walls remain. In both cases, as a rule, a deep excavation is also made, either at the existing object or within its area. Serious damage often occurs because of the carried out work. It is not possible to accurately determine the response of a building to the deformation associated with the excavation due to the variability of many factors that influence it. As a result, the response of the building must be estimated on the basis of constant monitoring and approximate calculations. Depending on the size of the predicted ground displacements and the technical condition of buildings, it is often necessary to protect or strengthen their structural elements. In the paper, the authors analyzed various risk factors for the implementation of infill buildings and the revitalization of historic buildings using only their façade walls. In addition, examples of contemporary solutions for securing the walls of existing buildings, and the method of monitoring vertical deformations using the Hydrostatic Levelling Cell (HLC) system, are presented.
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spelling doaj.art-68e550ad33a64f1bb051e81a2c9057042023-11-21T08:52:21ZengMDPI AGApplied Sciences2076-34172021-01-0111248110.3390/app11020481Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing BuildingsGrzegorz Dmochowski0Jerzy Szolomicki1Faculty of Civil Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, PolandFaculty of Civil Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, PolandCurrently, new housing in city centers is more and more often developed on small plots of land, or existing buildings on such plots are rebuilt to such an extent that only their façade walls remain. In both cases, as a rule, a deep excavation is also made, either at the existing object or within its area. Serious damage often occurs because of the carried out work. It is not possible to accurately determine the response of a building to the deformation associated with the excavation due to the variability of many factors that influence it. As a result, the response of the building must be estimated on the basis of constant monitoring and approximate calculations. Depending on the size of the predicted ground displacements and the technical condition of buildings, it is often necessary to protect or strengthen their structural elements. In the paper, the authors analyzed various risk factors for the implementation of infill buildings and the revitalization of historic buildings using only their façade walls. In addition, examples of contemporary solutions for securing the walls of existing buildings, and the method of monitoring vertical deformations using the Hydrostatic Levelling Cell (HLC) system, are presented.https://www.mdpi.com/2076-3417/11/2/481deep excavationadjacent buildingsHLC monitoringtemporary support structure
spellingShingle Grzegorz Dmochowski
Jerzy Szolomicki
Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
Applied Sciences
deep excavation
adjacent buildings
HLC monitoring
temporary support structure
title Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
title_full Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
title_fullStr Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
title_full_unstemmed Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
title_short Technical and Structural Problems Related to the Interaction between a Deep Excavation and Adjacent Existing Buildings
title_sort technical and structural problems related to the interaction between a deep excavation and adjacent existing buildings
topic deep excavation
adjacent buildings
HLC monitoring
temporary support structure
url https://www.mdpi.com/2076-3417/11/2/481
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