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A State of Art: Seismic Soil–Structure Interaction for Nuclear Power Plants
https://orcid.org/http://orcid.org/0000-0002-7306-4932
Most of the existing nuclear power plants (NPPs) in India were constructed on rock which may not have the requirement of seismic soil–structure interaction (SSI) analysis but Narora nuclear power plant and some of the new upcoming nuclear power plants are planned to be founded on the soft soil necessitating to consider SSI for analysis. Some of these will be founded on piled raft foundation. Therefore, analysis considering the recent research development is required. In this state of art of SSI for NPPs, a detailed literature review of different approaches based on FEM considering SSI, solution techniques, effect of nonlinearity and absorbing boundaries for nuclear power plants on soft soil is presented. None of the studies is found in which the nonlinearity of both soil and structural component is considered along with SSI of NPPs. However, the nonlinearity of soil is necessary to consider when subjected to strong excitation. Evaluation of performance of NPP structure during seismic loading is typically evaluated to make sure the safety and serviceability. Numerical finite element modeling in the direct method of SSI can be employed to such performance. Also, the finite element modeling is a best tool to evaluate the response of embedded foundation of NPP structure into the soil with nonlinearity and adequate modeling of boundary to represent the soil strata. Most of these finite element analyses are carried out for the vertically propagating shear waves. In the recent advancement of SSI for NPPs, researchers are using the simplified modeling of NPP structure by replacing the finite element modeling of soil with the spring–dashpot model so as to reduce the computation time. In this paper, a state-of-the-art review of different approaches considering SSI for nuclear power plants on alluvial soil is presented. A comparison of these approaches based on their assumptions and limitations is made.
A State of Art: Seismic Soil–Structure Interaction for Nuclear Power Plants
https://orcid.org/http://orcid.org/0000-0002-7306-4932
Most of the existing nuclear power plants (NPPs) in India were constructed on rock which may not have the requirement of seismic soil–structure interaction (SSI) analysis but Narora nuclear power plant and some of the new upcoming nuclear power plants are planned to be founded on the soft soil necessitating to consider SSI for analysis. Some of these will be founded on piled raft foundation. Therefore, analysis considering the recent research development is required. In this state of art of SSI for NPPs, a detailed literature review of different approaches based on FEM considering SSI, solution techniques, effect of nonlinearity and absorbing boundaries for nuclear power plants on soft soil is presented. None of the studies is found in which the nonlinearity of both soil and structural component is considered along with SSI of NPPs. However, the nonlinearity of soil is necessary to consider when subjected to strong excitation. Evaluation of performance of NPP structure during seismic loading is typically evaluated to make sure the safety and serviceability. Numerical finite element modeling in the direct method of SSI can be employed to such performance. Also, the finite element modeling is a best tool to evaluate the response of embedded foundation of NPP structure into the soil with nonlinearity and adequate modeling of boundary to represent the soil strata. Most of these finite element analyses are carried out for the vertically propagating shear waves. In the recent advancement of SSI for NPPs, researchers are using the simplified modeling of NPP structure by replacing the finite element modeling of soil with the spring–dashpot model so as to reduce the computation time. In this paper, a state-of-the-art review of different approaches considering SSI for nuclear power plants on alluvial soil is presented. A comparison of these approaches based on their assumptions and limitations is made.
A State of Art: Seismic Soil–Structure Interaction for Nuclear Power Plants
https://orcid.org/http://orcid.org/0000-0002-7306-4932
Most of the existing nuclear power plants (NPPs) in India were constructed on rock which may not have the requirement of seismic soil–structure interaction (SSI) analysis but Narora nuclear power plant and some of the new upcoming nuclear power plants are planned to be founded on the soft soil necessitating to consider SSI for analysis. Some of these will be founded on piled raft foundation. Therefore, analysis considering the recent research development is required. In this state of art of SSI for NPPs, a detailed literature review of different approaches based on FEM considering SSI, solution techniques, effect of nonlinearity and absorbing boundaries for nuclear power plants on soft soil is presented. None of the studies is found in which the nonlinearity of both soil and structural component is considered along with SSI of NPPs. However, the nonlinearity of soil is necessary to consider when subjected to strong excitation. Evaluation of performance of NPP structure during seismic loading is typically evaluated to make sure the safety and serviceability. Numerical finite element modeling in the direct method of SSI can be employed to such performance. Also, the finite element modeling is a best tool to evaluate the response of embedded foundation of NPP structure into the soil with nonlinearity and adequate modeling of boundary to represent the soil strata. Most of these finite element analyses are carried out for the vertically propagating shear waves. In the recent advancement of SSI for NPPs, researchers are using the simplified modeling of NPP structure by replacing the finite element modeling of soil with the spring–dashpot model so as to reduce the computation time. In this paper, a state-of-the-art review of different approaches considering SSI for nuclear power plants on alluvial soil is presented. A comparison of these approaches based on their assumptions and limitations is made.
A State of Art: Seismic Soil–Structure Interaction for Nuclear Power Plants
Springer Transactions in Civil and Environmental Engineering
Sitharam, T.G. (Herausgeber:in) / Jakka, Ravi (Herausgeber:in) / Kolathayar, Sreevalsa (Herausgeber:in) / Maheshwari, B. K. (Autor:in) / Firoj, Mohd. (Autor:in)
Latest Developments in Geotechnical Earthquake Engineering and Soil Dynamics ; Kapitel: 17 ; 393-409
02.07.2021
17 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Deep Geothermal Power Plants: Soil-Structure Interaction under Micro-Seismic Events
| British Library Conference Proceedings | 2022