Development and implementation of semiempirical framework for modeling postliquefaction shear deformation accumulation in sands

P Tasiopoulou, K Ziotopoulou, F Humire… - … of Geotechnical and …, 2020 - ascelibrary.org
A framework for the estimation of coseismic deformations in the postliquefaction regime is
developed based on an extensive database of available cyclic undrained stress-controlled …

[HTML][HTML] Deformation and cyclic resistance of sand in large-strain undrained torsional shear tests with initial static shear stress

M Umar, G Chiaro, T Kiyota, N Ullah - Soils and Foundations, 2021 - Elsevier
This paper presents the findings from an experimental study focusing on the undrained
cyclic behavior of sand in the presence of initial static shear stress. A series of undrained …

[HTML][HTML] Effects of induced anisotropy on multiple liquefaction properties of sand with initial static shear

T Morimoto, Y Aoyagi, J Koseki - Soils and Foundations, 2019 - Elsevier
The multiple liquefaction phenomenon has been attracting the attention of more and more
researchers and engineers since the 2010–2011 Christchurch Earthquakes and the 2011 …

Liquefaction triggering and post-triggering behavior of biocemented loose sand

M Lee, MG Gomez - Canadian Geotechnical Journal, 2023 - cdnsciencepub.com
Biocementation is a biomediated ground improvement technique that can improve the
engineering behavior of granular soils. The process has received significant attention as an …

[PDF][PDF] Modeling the effects of static shear on the undrained cyclic torsional simple shear behavior of liquefiable sand

G Chiaro, LIN De Silva, J Koseki - 2017 - ir.canterbury.ac.nz
Spanning from purely theoretical standpoint to practical applications, there is a particular
interest to enhance understanding of the effects of static shear on the cyclic behavior of soil …

[PDF][PDF] Liquefaction potential and large deformation properties of Christchurch liquefied sand subjected to undrained cyclic torsional simple shear loading

G Chiaro, T Kiyota, H Miyamoto - 19th international conference on …, 2017 - researchgate.net
Severe liquefaction was extensively observed in and around Christchurch City, New
Zealand, following the Canterbury Earthquake Sequence (2010-2011 and 2016). The effects …

[PDF][PDF] Monotonic and cyclic undrained behavior of Kumamoto-Aso pumice soil by triaxial and torsional shear tests

M Umar, G Chiaro, T Kiyota, H Miyamoto - 2018 - ir.canterbury.ac.nz
The Kyushu Island of Japan was hit by a series of moment magnitude, Mw= 6-7 earthquakes
during April 14th-16th 2016, followed by hundreds of aftershocks. The earthquakes caused …

[PDF][PDF] Large deformation characteristic of loose sand in undrained cyclic torsional shear tests with initial static shear

M Umar, G Chiaro, T Kiyota - The 3rd International Conference on …, 2017 - researchgate.net
This paper reports on extremely large strain behaviour of loose (Dr= 25-30%) and very loose
(Dr= 20-24%) Toyoura sand specimens observed in cyclic undrained torsional shear tests …