<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The distribution of the equivalent load in the analysis of the reinforcement of an embankment load transfer platform on a soft soil reinforced with columns has an impact on the behaviour of the membrane modelling this reinforcement. Depending on the calculation model, triangular, uniform and inverse triangular distributions are commonly used. The paper analyses the behaviour of the membrane under the influence of 11 different load distributions. For all distributions, deflection curves and diagrams of tensile forces, deformation and the angle of rotation of the membrane were determined for the task of modelling the full-scale experiment. An analysis of the influence of the subgrade reaction modulus (<italic>k</italic> value) of the soft soil between the columns and the reinforcement stiffness on the membrane behaviour was also carried out. It was found that the adoption of one of the load distributions as suitable in every design situation is not always justified. As a result of the analyses, it has been shown that increasing soil stiffness (<italic>k</italic> value) significantly changes the nature of the function of deflection, deformation and normal force in the membrane, and this change depends on the distribution of the equivalent load.</p></abstract>

The distribution of the equivalent load in the analysis of the reinforcement of an embankment load transfer platform on a soft soil reinforced with columns has an impact on the behaviour of the membrane modelling this reinforcement. Depending on the calculation model, triangular, uniform and inverse triangular distributions are commonly used. The paper analyses the behaviour of the membrane under the influence of 11 different load distributions. For all distributions, deflection curves and diagrams of tensile forces, deformation and the angle of rotation of the membrane were determined for the task of modelling the full-scale experiment. An analysis of the influence of the subgrade reaction modulus (k value) of the soft soil between the columns and the reinforcement stiffness on the membrane behaviour was also carried out. It was found that the adoption of one of the load distributions as suitable in every design situation is not always justified. As a result of the analyses, it has been shown that increasing soil stiffness (k value) significantly changes the nature of the function of deflection, deformation and normal force in the membrane, and this change depends on the distribution of the equivalent load.

The Effect of the Equivalent Load Distribution on the Behaviour of a Membrane Modelling the Reinforcement of a Load Transfer Platform

Acta Scientiarum Polonorum Architectura

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

The distribution of the equivalent load in the analysis of the reinforcement of an embankment load transfer platform on a soft soil reinforced with columns has...

The Effect of the Equivalent Load Distribution on the Behaviour of a Membrane Modelling the Reinforcement of a Load Transfer Platform

Published Online: Jan 29, 2021

Page range: 41 - 50

Received: May 26, 2020

Accepted: Jun 25, 2020

DOI: https://doi.org/10.22630/aspa.2020.19.2.16

Keywords
rigid columns, load transfer platform, reinforcement of a load transfer platform, reinforcement behaviour, isotropic membranes

© 2020 Beata Gajewska et al., published by Sciendo

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

The Effect of the Equivalent Load Distribution on the Behaviour of a Membrane Modelling the Reinforcement of a Load Transfer Platform

Published Online: Jan 29, 2021

Page range: 41 - 50

Received: May 26, 2020

Accepted: Jun 25, 2020

DOI: https://doi.org/10.22630/aspa.2020.19.2.16

Keywordsrigid columns, load transfer platform, reinforcement of a load transfer platform, reinforcement behaviour, isotropic membranes

© 2020 Beata Gajewska et al., published by Sciendo

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

Keywords
rigid columns, load transfer platform, reinforcement of a load transfer platform, reinforcement behaviour, isotropic membranes