A study on effect of soil-structure interaction on performance of strong-back structural system subjected to near and far-field earthquakes

Structures ◽  
2021 ◽  
Vol 32 ◽  
pp. 116-136
Author(s):  
Mahdis Taghizadeh ◽  
Majid Gholhaki ◽  
Omid Rezaifar
Keyword(s):  
Soil Structure ◽  
Soil Structure Interaction ◽  
Far Field ◽  
Structural System ◽  
Structure Interaction

Soil - Structure Interaction Effects on the Bridge Isolation System

2011 ◽  
Vol 374-377 ◽  
pp. 2375-2378
Author(s):  
Hai Qing Liu ◽  
Ya Bing Wang
Keyword(s):  
Comparative Analysis ◽  
Soil Structure ◽  
Soil Structure Interaction ◽  
Structural System ◽  
Isolation System ◽  
Structure Interaction ◽  
Rubber Bearing ◽  
Laminated Rubber Bearing ◽  
Set Up ◽  
D Model

Isolation technology has been applied to bridges more than before, and soil-structure interaction on structural system is gradually attracted people's attention, but combine the two is also considered very few especially in the bridge. In this paper, we combine the two cases, and set up 3-D model by ANSYS, do comparative analysis in three cases. The first is no bearing and no soil-structure interaction, the second is with laminated rubber bearing but not considering the soil - structure interaction, and the last one is considering both laminated rubber bearing and soil - structure interaction. Ultimately it proves that soil - structure interaction on the structure does produce effects what can not be ignored.

scholarly journals Seismic Response of Steel Braced Vertically Irregular RC Frame Considering Soil Structure Interaction

2020 ◽  
Vol 8 (5) ◽  
pp. 4343-4349
Keyword(s):  
Soil Profile ◽  
Soil Structure ◽  
Response Spectrum ◽  
Bending Moment ◽  
Soil Structure Interaction ◽  
Structural System ◽  
Braced Frame ◽  
Structure Interaction ◽  
Time Period ◽  
Flexible Foundation

Bracing system is one of the structural system which forms an integral part of the frame. Steel bracings have been used extensively as a structural system to resist seismic loads in the recent times due to their passive energy dissipation property. Steel bracing being economical and easy to erect assists to enhance the strength and retrofitting properties of a structure and their effective performance in controlling seismic effects on the structures during earthquake. In the present study the effect of soil structure interaction (SSI) on multi-storied vertically irregular RC buildings on a horizontal soil profile with varying underlying soil types using concentric chevron bracing is investigated. A G+4 story vertically irregular building (with bracing and without bracing) is analyzed as per IS 1893:2002 using ANSYS.v19 software with fixed and flexible foundation. The soil structure interaction effects on the flexible foundation are analyzed and the effectiveness of the chevron braced frame on the seismic performance of the building is studied. Two different combination of the soil profile for the same building with bracing and without bracing and for free headed and fixed headed flexible foundation condition has been analyzed in response spectrum method for Winkler theory. The performance of the building is evaluated in terms of displacement, storey drift and bending moment along the pile and time period. It was found that the chevron bracing with fixed headed flexible foundation significantly contributes to the structural stiffness and reduces the displacement compared to the bare frame and also the SSI effect considering the water table showed more displacement when compared to the structure on saturated hard soils. Time period increases when SSI was considered

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