Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seismic Effect on Medium Rise Reinforced Concrete Building Considering Vertical Irregularities Under the Effect of Soil-Structure Interaction
https://orcid.org/http://orcid.org/0009-0007-6312-6435
https://orcid.org/http://orcid.org/0000-0002-6378-2682
Building behavior in seismic forces is dependent on the structural configuration of the building. Regular buildings have more stable and predicted behavior than irregular ones. Irregular configuration in plan and in elevation is one of the major causes of the failure of buildings during earthquakes. Vertical irregularity is more vulnerable than horizontal Irregularity. In vertical irregularity, the stiffness irregularity below the mid-height of the building is affected more than the irregularity above the mid-height. The Soil Structure Interaction (SSI) effects on the vertical irregularity of the RC medium-rise building are analyzed by using 3D and Lump mass models in SAP 2000NL. In the present study, medium hard strata soil is considered to predict the effect of SSI through indirect methods. In the present paper total of eight models of buildings are considered and studied based on the vertical irregularities criteria of mass and stiffness as per IS 1893:2016. Initially, all lumped mass models are considered as linear elastic with fixed based and SSI effect, later on, the same stick models are converted into the elastoplastic stick models by evaluating the yield displacement and yield strength of the 3D model over pushover analysis. The results of the time domain form are analyzed by considering seismic parameters such as fundamental time period, base shear, and displacement of irregular buildings. It is observed that the 3D model is more difficult to analyze than the lump mass model but results obtained by the 3D model are realistic and much identical to that of the lump mass model. Base shear is observed less for the ground floor double height model and middle floor double height model than the other irregularities. However, the displacement response of the middle floor double height model is observed more than the other building. It has been observed that the stiffness irregularities are affected more in the severe earthquake for the SSI effect.
Seismic Effect on Medium Rise Reinforced Concrete Building Considering Vertical Irregularities Under the Effect of Soil-Structure Interaction
https://orcid.org/http://orcid.org/0009-0007-6312-6435
https://orcid.org/http://orcid.org/0000-0002-6378-2682
Building behavior in seismic forces is dependent on the structural configuration of the building. Regular buildings have more stable and predicted behavior than irregular ones. Irregular configuration in plan and in elevation is one of the major causes of the failure of buildings during earthquakes. Vertical irregularity is more vulnerable than horizontal Irregularity. In vertical irregularity, the stiffness irregularity below the mid-height of the building is affected more than the irregularity above the mid-height. The Soil Structure Interaction (SSI) effects on the vertical irregularity of the RC medium-rise building are analyzed by using 3D and Lump mass models in SAP 2000NL. In the present study, medium hard strata soil is considered to predict the effect of SSI through indirect methods. In the present paper total of eight models of buildings are considered and studied based on the vertical irregularities criteria of mass and stiffness as per IS 1893:2016. Initially, all lumped mass models are considered as linear elastic with fixed based and SSI effect, later on, the same stick models are converted into the elastoplastic stick models by evaluating the yield displacement and yield strength of the 3D model over pushover analysis. The results of the time domain form are analyzed by considering seismic parameters such as fundamental time period, base shear, and displacement of irregular buildings. It is observed that the 3D model is more difficult to analyze than the lump mass model but results obtained by the 3D model are realistic and much identical to that of the lump mass model. Base shear is observed less for the ground floor double height model and middle floor double height model than the other irregularities. However, the displacement response of the middle floor double height model is observed more than the other building. It has been observed that the stiffness irregularities are affected more in the severe earthquake for the SSI effect.
Seismic Effect on Medium Rise Reinforced Concrete Building Considering Vertical Irregularities Under the Effect of Soil-Structure Interaction
https://orcid.org/http://orcid.org/0009-0007-6312-6435
https://orcid.org/http://orcid.org/0000-0002-6378-2682
Building behavior in seismic forces is dependent on the structural configuration of the building. Regular buildings have more stable and predicted behavior than irregular ones. Irregular configuration in plan and in elevation is one of the major causes of the failure of buildings during earthquakes. Vertical irregularity is more vulnerable than horizontal Irregularity. In vertical irregularity, the stiffness irregularity below the mid-height of the building is affected more than the irregularity above the mid-height. The Soil Structure Interaction (SSI) effects on the vertical irregularity of the RC medium-rise building are analyzed by using 3D and Lump mass models in SAP 2000NL. In the present study, medium hard strata soil is considered to predict the effect of SSI through indirect methods. In the present paper total of eight models of buildings are considered and studied based on the vertical irregularities criteria of mass and stiffness as per IS 1893:2016. Initially, all lumped mass models are considered as linear elastic with fixed based and SSI effect, later on, the same stick models are converted into the elastoplastic stick models by evaluating the yield displacement and yield strength of the 3D model over pushover analysis. The results of the time domain form are analyzed by considering seismic parameters such as fundamental time period, base shear, and displacement of irregular buildings. It is observed that the 3D model is more difficult to analyze than the lump mass model but results obtained by the 3D model are realistic and much identical to that of the lump mass model. Base shear is observed less for the ground floor double height model and middle floor double height model than the other irregularities. However, the displacement response of the middle floor double height model is observed more than the other building. It has been observed that the stiffness irregularities are affected more in the severe earthquake for the SSI effect.
Seismic Effect on Medium Rise Reinforced Concrete Building Considering Vertical Irregularities Under the Effect of Soil-Structure Interaction
Lecture Notes in Civil Engineering
Kumar, Ratnesh (Herausgeber:in) / Bakre, Sachin V. (Herausgeber:in) / Goel, Manmohan Dass (Herausgeber:in) / Chavan, Sonal Amit (Autor:in) / Mate, Nilesh Uttamrao (Autor:in) / Manchalwar, Atul A. (Autor:in)
Structural Engineering Convention ; 2023 ; Nagpur, India
24.11.2024
12 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
| DOAJ | 2023
Seismic Fragility of Reinforced Concrete Frames with Vertical Irregularities
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| BASE | 2019
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Seismic Response of Reinforced Concrete Buildings Considering Soil Structure Interaction
| Springer Verlag | 2022