How does the depth of soil influence the stability of structures during earthquakes?
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The depth of soil significantly impacts the stability of structures during earthquakes. Deeper soil layers alter seismic responses, with regions like the Indo-Gangetic Basin showing varied site amplifications at different depths . Embedment depth of foundations also plays a crucial role, affecting lateral displacement, interstorey drift, and foundation rocking during seismic events . Soil-structure interaction further influences stability, as structures in liquefiable sites experience different seismic responses compared to free fields, with the presence of structures increasing site stiffness and reducing liquefaction potential . Neglecting soil-structure interaction can lead to unsafe designs, emphasizing the importance of considering the dynamic behavior of soil and structures in seismic analyses .
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| Papers (5) | Insight |
|---|---|
2 Citations | The depth of soil significantly affects structure stability during earthquakes. Finite depth soil layers require specific modeling to accurately consider deformability and damping for seismic design. |
5 Citations | The depth of soil affects structure stability during earthquakes by altering response amplifications. Deeper soil layers can either increase or decrease amplification compared to surface levels, impacting structural behavior. |
2 Citations | The depth of liquefaction soil affects seismic stability; shallow liquefaction increases risk. Structures in deeper liquefied soil are less stable during earthquakes due to soil-structure interaction. |
| The depth of soil influences seismic stability by altering earthquake waves. Soil-pile-structure interaction affects building response, with deeper soil reducing surface peak ground acceleration due to liquefaction. | |
| The embedment depth of shallow foundation significantly affects seismic response. Increasing depth reduces lateral displacement, interstorey drift, and foundation rocking, enhancing structural stability during earthquakes. |
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