What question did this study set out to answer?

This study aims to understand how underwater seismic activities affect the stability of submerged silty clay slopes.

Shaking table modelling on seismic response and failure mechanism of submerged silty clay slopes

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Randomized trial investigates seismic responses in submerged slopes, highlighting hydrodynamic pressure impacts.

This study aims to understand how underwater seismic activities affect the stability of submerged silty clay slopes.
Conducted a large-scale 1 g underwater shaking table test with intact marine silty clay.
Analyzed acceleration amplification, dynamic earth pressure, and excess pore water pressure under multi-stage seismic loading.
Examined the interactions between structural degradation and hydrodynamic effects during seismic events.
Natural frequency of the slope decreases with increased seismic intensity, indicating internal damage.
Topographic amplification is significant in silty clay, which diminishes at higher seismic intensities due to yielding.
Hydrodynamic pressure waves alter the Peak Ground Acceleration (PGA) field, increasing vulnerability to slope failure even with minor excitations.

A 2026 study studied this question.

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