<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Indonesia is located between the Eurasian, Pacific, Philippines, and Indo-Australian plates. Various tectonic processes in the world and collisions between large plates and several small plates trigger many earthquakes in Indonesia. This study aimed to evaluate the response of bored piles in the Auditorium Building of Brawijaya University toward seismic loads through analytical and numerical approaches based on finite elements with 2D (embedded beam row) and 3D (volume pile) modeling, where the analysis approach of pile deformation and lateral resistance with numerical methods will depend on idealization of the model used. In addition, the lateral resistance was compared based on combination lateral loads, pile stiffness, and soil stiffness when the values were different. The 2D finite element analysis reduces lateral resistance but overestimated the deflection on the pile surface. This is because in the 2D finite element modeling with an embedded beam row that the friction factor represented by the spring can reduces the stiffness and the pile–soil is tangent, so that there is no slipping against each other. In addition, the 3D finite element analysis with volume pile modeling increases soil stiffness at greater depths and the friction factor (interface) can improve the interaction between the soil and pile.</p>
</abstract>

Indonesia is located between the Eurasian, Pacific, Philippines, and Indo-Australian plates. Various tectonic processes in the world and collisions between large plates and several small plates trigger many earthquakes in Indonesia. This study aimed to evaluate the response of bored piles in the Auditorium Building of Brawijaya University toward seismic loads through analytical and numerical approaches based on finite elements with 2D (embedded beam row) and 3D (volume pile) modeling, where the analysis approach of pile deformation and lateral resistance with numerical methods will depend on idealization of the model used. In addition, the lateral resistance was compared based on combination lateral loads, pile stiffness, and soil stiffness when the values were different. The 2D finite element analysis reduces lateral resistance but overestimated the deflection on the pile surface. This is because in the 2D finite element modeling with an embedded beam row that the friction factor represented by the spring can reduces the stiffness and the pile–soil is tangent, so that there is no slipping against each other. In addition, the 3D finite element analysis with volume pile modeling increases soil stiffness at greater depths and the friction factor (interface) can improve the interaction between the soil and pile.

Comparative Analysis of Single Pile with Embedded Beam Row and Volume Pile Modeling under Seismic Load

Studia Geotechnica et Mechanica

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

Indonesia is located between the Eurasian, Pacific, Philippines, and Indo-Australian plates. Various tectonic processes in the world and collisions between...

Comparative Analysis of Single Pile with Embedded Beam Row and Volume Pile Modeling under Seismic Load

Article Category: Original Study

Published Online: Jan 25, 2023

Page range: 28 - 40

Received: Apr 28, 2022

Accepted: Oct 23, 2022

DOI: https://doi.org/10.2478/sgem-2022-0027

Keywords
finite element method, lateral pile, lateral resistance, seismic load

© 2023 Queen Arista Rosmania Putri Sumarsono et al., published by Sciendo

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

Comparative Analysis of Single Pile with Embedded Beam Row and Volume Pile Modeling under Seismic Load

Article Category: Original Study

Published Online: Jan 25, 2023

Page range: 28 - 40

Received: Apr 28, 2022

Accepted: Oct 23, 2022

DOI: https://doi.org/10.2478/sgem-2022-0027

Keywordsfinite element method, lateral pile, lateral resistance, seismic load

© 2023 Queen Arista Rosmania Putri Sumarsono et al., published by Sciendo

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

Keywords
finite element method, lateral pile, lateral resistance, seismic load