[HTML][HTML] Challenges in geotechnical design revealed by reliability assessment: Review and future perspectives

Y Otake, Y Honjo - Soils and Foundations, 2022 - Elsevier
This report discusses the challenges associated with geotechnical design through a review
of research on the reliability analysis of geotechnical structures. This report is organized into …

Toward life-cycle reliability-, risk-and resilience-based design and assessment of bridges and bridge networks under independent and interacting hazards: emphasis …

M Akiyama, DM Frangopol… - Structure and Infrastructure …, 2020 - Taylor & Francis
After recent large earthquakes, field investigations confirmed that several bridges were
severely damaged and collapsed not only due to the earthquake, as an independent …

Estimation of trend and random components of conditional random field using Gaussian process regression

I Yoshida, Y Tomizawa, Y Otake - Computers and Geotechnics, 2021 - Elsevier
A method is proposed for simultaneously estimating the trend and random component of soil
properties at arbitrary locations using Gaussian process regression with the superposition of …

Life-cycle reliability assessment of reinforced concrete bridges under multiple hazards

T Yanweerasak, W Pansuk, M Akiyama… - Structure and …, 2018 - Taylor & Francis
This paper proposes a novel probabilistic methodology for estimating the life-cycle reliability
of existing reinforced concrete (RC) bridges under multiple hazards. The life-cycle reliability …

Updating the seismic reliability of existing RC structures in a marine environment by incorporating the spatial steel corrosion distribution: Application to bridge piers

Y Thanapol, M Akiyama… - Journal of Bridge …, 2016 - ascelibrary.org
Although several models are available for evaluating the structural performance of corroded
reinforced concrete (RC) structures, seismic reliability assessments considering the effect of …

[HTML][HTML] What defines a “site” in geotechnical engineering?: A comparative study between local and global big indirect databases

T Saito, Y Otake, S Wu, D Takano, Y Sugiyama… - Computers and …, 2025 - Elsevier
Geotechnical engineering continuously faces the challenge of accurately assessing a wide
array of physical properties from limited soil data. To solve this problem using a data-driven …

[HTML][HTML] Improvement in the information-oriented construction of temporary soil-retaining walls using sparse modeling

Y Otake, S Kodama, S Watanabe - Underground Space, 2019 - Elsevier
This fundamental study investigates how “super-resolution” technology based on sparse
modeling, which has attracted attention in various fields, can be applied to the information …

Life-cycle reliability of bridges under independent and interacting hazards

M Akiyama, DM Frangopol - … of Bridges: Proceedings of the Ninth …, 2018 - books.google.com
After recent large earthquakes, field investigations confirmed that several bridges were
severely damaged and collapsed not only due to the earthquake, as an independent …

Probabilistic analysis of overall strength of a cement‐treated soil column considering statistical uncertainty and spatial variability

T Namikawa - … Journal for Numerical and Analytical Methods in …, 2021 - Wiley Online Library
A finite‐element method (FEM) analysis incorporating with random field theory is a powerful
tool to predict the behavior of ground improvement by deep cement mixing with spatial …

Development and use of databases of pile foundation load tests in Japan

Y Otake, T Nakamura, T Fujita… - Databases for Data …, 2024 - books.google.com
Traditionally, both domestic and international design codes have adopted the partial factor
format, which is widely acknowledged as Level I reliability-based design methods. In the …