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January 1, 2026Journal of the Japan Landslide Society

Procedures for estimating the probability of coseismic failure of tephra slope : Evaluating the performance of reinforced slopes adjacent to buildings and infrastructures

Senro Kuraoka Yuichi Nakashima Tomoyuki Ikariya

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Key Points

This research aims to estimate the probability of coseismic failure of tephra slopes adjacent to buildings.
Dynamic analysis was conducted on slopes covered with tephra.
The impact of excess pore water pressure on apparent strength was evaluated.
Various maximum response velocities (PGV) and corresponding probabilities of failure (PN) were calculated.
Reduction in PN was effective when excess pore water pressure was controlled, resulting in lower failure probability.
Variability in PN was noted based on different computational conditions.

Implication

Evaluates the failure probability in tephra slopes, suggesting enhanced safety measures.

Abstract

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Cite This Study

Kuraoka et al. (2026) studied this question.

synapsesocial.com/papers/6a250a717def13d035e1a855 https://doi.org/10.3313/jls.63.93

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