Stability of structures under earthquakes
Principles of soil-structure interaction under seismic disturbance. Kinematic effects and seismic stability
Article REF: C253 V1
Stability of structures under earthquakes
Principles of soil-structure interaction under seismic disturbance. Kinematic effects and seismic stability

Authors : Stéphane BRÛLÉ, Fahd CUIRA

Publication date: May 10, 2018, Review date: July 20, 2020 | Lire en français

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4. Stability of structures under earthquakes

4.1 Rollover stability

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4.1.1 Effect of debonding on rotational stiffness

The conventional study of the overturning stability of a rigid surface foundation is based on the (fundamental) assumption of a trapezoidal distribution (or triangular distribution once detachment has begun) of the reaction of the soil beneath the foundation, as shown in the diagram in figure 14 .

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