<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The objective of this paper is to describe the effect of cavities on the bearing capacity of two interfering footings based on granular soil using an exclusively experimental approach with a test model designed in the laboratory. The experimental protocol was carried out based on the variation of several parameters such as the spacing (<italic>x</italic>) (axis to axis) between the footings, and the distance (H) between the footings and cavities and between the cavities axes (L). The results highlight the effect of cavities and the interference of two strip footings on the bearing capacity factor (<italic>q</italic>) and efficiency factor (EF). Moreover, the results revealed that, in the case wherein the distance between the footings and the cavity is greater than 3, the cavity impact is eliminated.</p></abstract>

The objective of this paper is to describe the effect of cavities on the bearing capacity of two interfering footings based on granular soil using an exclusively experimental approach with a test model designed in the laboratory. The experimental protocol was carried out based on the variation of several parameters such as the spacing (x) (axis to axis) between the footings, and the distance (H) between the footings and cavities and between the cavities axes (L). The results highlight the effect of cavities and the interference of two strip footings on the bearing capacity factor (q) and efficiency factor (EF). Moreover, the results revealed that, in the case wherein the distance between the footings and the cavity is greater than 3, the cavity impact is eliminated.

Model experiments to assess effect of cavities on bearing capacity of two interfering superficial foundations resting on granular soil

Research laboratory in hydraulic applied LARHA

Department of Civil Engineering, Faculty of Technology

Department of Civil Engineering, Faculty of Sciences and Technology

Studia Geotechnica et Mechanica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The objective of this paper is to describe the effect of cavities on the bearing capacity of two interfering footings based on granular soil using an...

Model experiments to assess effect of cavities on bearing capacity of two interfering superficial foundations resting on granular soil

Article Category: Research Article

Published Online: Jun 13, 2020

Page range: 222 - 231

Received: Oct 04, 2019

Accepted: Apr 16, 2020

DOI: https://doi.org/10.2478/sgem-2019-0046

Keywords
Bearing capacity, shallow foundations, cavities, interference effect, model test, granular soil

© 2020 Djamel Saadi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Model experiments to assess effect of cavities on bearing capacity of two interfering superficial foundations resting on granular soil

Article Category: Research Article

Published Online: Jun 13, 2020

Page range: 222 - 231

Received: Oct 04, 2019

Accepted: Apr 16, 2020

DOI: https://doi.org/10.2478/sgem-2019-0046

KeywordsBearing capacity, shallow foundations, cavities, interference effect, model test, granular soil

© 2020 Djamel Saadi et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Bearing capacity, shallow foundations, cavities, interference effect, model test, granular soil