Topic
Soil structure interaction
About: Soil structure interaction is a research topic. Over the lifetime, 3653 publications have been published within this topic receiving 48890 citations.
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22 Apr 2020
TL;DR: In this paper, a systematic study of the effects caused by the strong earthquake that struck southern Italy on 23 November 1980 (Ms = 6.9) and affected the Campania and Basilicata regions is presented.
Abstract: This paper aimed to present a systematic study of the effects caused by the strong earthquake that struck southern Italy on 23 November 1980 (Ms = 6.9) and affected the Campania and Basilicata regions. Two aspects are discussed here: The broadening of the knowledge of the response site effects by considering several soil free-field conditions and the assessment of the role of the soil–structure interaction (SSI) on a representative benchmark structure. This research study, based on the state-of-the-art knowledge, may be applied to assess future seismic events and to propose new original code provisions. The numerical simulations were herein performed with the advanced platform OpenSees, which can consider non-linear models for both the structure and the soil. The results show the importance of considering the SSI in the seismic assessment of soil amplifications and its consequences on the structural performance.
17 citations
TL;DR: In this paper, the structural dynamic response of wind turbine towers is investigated considering different soil conditions using a numerical model, and the results show that the evaluation of the natural frequency and the resulting classification of the wind turbine design type can be affected by soil-structure interaction.
Abstract: The response of wind turbines is induced by dynamic loads such as wind, transient and cyclic loads, and also extreme loads such as earthquakes. Thus, the structural design requires an accurate evaluation of the modal parameters of the system because it is strongly required that no resonances are excited. Moreover, it has been concluded from previous research works that soil–structure interaction (SSI) should be accounted for the analysis. In the present paper, the structural dynamic response of wind turbine towers is investigated considering different soil conditions using a numerical model. This research is focused on SSI effects. Firstly, changes in the modal parameters of three different wind turbines considering the effect of three soils are evaluated. The results show that the evaluation of the natural frequency and the resulting classification of the wind turbine design type can be affected by SSI. The obtained results could be used to evaluate the decrement of the natural frequency of the wind turb...
17 citations
TL;DR: In this paper, the effects of soil-structure interaction (SSI) on the response of seismically isolated bridge piers were assessed. And a method was developed to evaluate the effect of SSI on bridge response.
Abstract: The objective of this study is two-fold: first, to assess the effects of soil-structure interaction (SSI) on the response of seismically isolated bridge piers and, second, to develop a method that ...
17 citations
TL;DR: In this article, a series of numerical simulations of the seismic behavior of a single-pile foundation constructed in a two-layer ground is carried out, and the results reveal that when a structure is built in a non-liquefiable ground, an amplification of seismic waves is seen on the ground surface and in the upper structure, and large bending moments are generated at the pile heads.
Abstract: This study is conducted with a numerical method to investigate the seismic behaviour among certain soils, single piles, and a structure. A series of numerical simulations of the seismic behaviour of a single-pile foundation constructed in a two-layer ground is carried out. Various sandy soils, namely, dense sand, medium dense sand, reclaimed soil, and loose sand, are employed for the upper layer, while one type of clayey soil is used for the lower layer. The results reveal that when a structure is built in a non-liquefiable ground, an amplification of the seismic waves is seen on the ground surface and in the upper structure, and large bending moments are generated at the pile heads. When a structure is built in a liquefiable ground, a de-amplification of the seismic waves is seen on the ground surface and in the upper structure, and large bending moments are generated firstly at the pile heads and then in the lower segment at the boundary between the soil layers when liquefaction takes place. Copyright © 2007 John Wiley & Sons, Ltd.
17 citations
TL;DR: In this paper, the inerter-based systems have proven to be effective for vibration control of adjacent structures and the interaction through the soil medium between adjacent structures in urban areas is generally a
Abstract: The inerter-based systems have proven to be effective for vibration control of adjacent structures The interaction through the soil medium between adjacent structures in urban areas is generally a
17 citations