Faculty Members

Effect of root orientation on the strength characteristics of loess in drained and undrained triaxial tests

J Yuan-jun, M Alam, S Li-Jun, M Umar, S Sadiq, LJ Jia, M Rahman

Engineering Geology 296, 106459

2022

Influence of drainage and root biomass on soil mechanical behavior in triaxial tests

M Alam, YJ Jiang, M Umar, L Su, M Rahman, F Ullah

Acta Geotechnica, 1-19

2021

Post-liquefaction deformation and strength characteristics of sand in torsional shear tests

M Umar, T Kiyota, G Chiaro, A Duttine

Soils and Foundations 61 (5), 1207-1222

2021

Investigation of landslides with natural lineaments derived from integrated manual and automatic techniques applied on geospatial data

S Sadiq, U Muhammad, M Fuchs

Natural Hazards, 1-22

2021

Effect of Pavement Thickness and Width on Liquefaction-Induced Settlements and the Contribution of Sand Ejecta in Total Settlement

M Mohsan, T Kiyota, M Umar, T Katagiri

Geotechnical and Geological Engineering 39 (6), 4523-4531

2021

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 61 (3), 765-781

2021

Large Strain Torsional Shear Tests on the Mechanism of Long-Distance Flow Slide in Palu, Central Sulawesi, Indonesia

NH Hidayat R.F., Kiyota T., Umar M.

Advances in Sustainable Construction and Resource Management, 681-691

2021

Experimental study on the mechanism of long-distance flow-slide in Palu, Central Sulawesi

H R.F.,M., K T., N H., U M., Rosiyani, K T.

Bulletin of Earthquake Resistant Structure Research Center, Institute of …

2020

Effects of Initial Static Shear on cyclic resistance and pore water generation of dense Toyoura sand In Large-Strain Torsional Shear Tests

U M, U T Kiyota, N, C G

Bulletin of Earthquake Resistant Structure Research Center, Institute of …

2020

Investigation of liquefaction-induced subsidence and sand boiling in 1-g shaking table model tests.

T Guizani, A., Umar, M. & Kiyota

JAEE Annual Meeting

2020

Effect of cyclic strain history on post-cyclic strength characteristics of sand in torsional shear tests.

T Ullah, N., Umar, M. & Kiyota

JAEE Annual Meeting

2020

Quantification of the field of shear strains in saturated sand subjected to undrained monotonic and cyclic torsional shearing via 3D digital image correlation

H Munoz, M Umar, T Kiyota

Earthquake Geotechnical Engineering for Protection and Development of …

2019

Undrained monotonic behavior of sand in large strain torsional shear apparatus

M Umar, T Kiyota, G Chiaro, D Antoine

Bull. Earthq. Resistant Struct. Res. Center, Institute of Industrial Science …

2019

Undrained monophonic and cyclic torsional simple shear behavior of the Aso pumiceous soil deposits

G Chiaro, T Kiyota, M Umar

2019

EXPERIMENTAL STUDY ON THE MECHANISM OF LONG-DISTANCE FLOW-SLIDE IN PALU, CENTRAL SULAWESI, INDONESIA

RF HIDAYAT, T KIYOTA, H NAWIR, M UMAR, TK ROSIYANI

2019

The Takanodai landslide, Kumamoto, Japan: insights from post-earthquake field observations, laboratory tests, and numerical analyses

G Chiaro, M Umar, T Kiyota, C Massey

Geotechnical Earthquake Engineering and Soil Dynamics V: Slope Stability and …

2018

Effect of specimen size on behavior of dense sand in large strain torsional shear apparatus

KTCG Umar M.

Bulletin of Earthquake Resistant Structure Research Center,

2018

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

MONOTONIC AND CYCLIC UNDRAINED TORSIONAL SIMPLE SHEAR BEHAVIOR OF ASO KUMAMOTO PUMICE SOIL

M UMAR, G CHIARO, T KIYOTA

2017

On the influence of initial static shear on large deformation behavior of very loose Toyoura sand in undrained cyclic torsional shear tests

M Umar, G Chiaro, T Kiyota

Japanese Geotechnical Society Special Publication 4 (2), 17-22

2016

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

M Umar, G Chiaro, T Kiyota

2016

DEFORMATION PROPERTIES OF VERY LOOSE SAND IN UNDRAINED CYCLIC TORSIONAL SHEAR TESTS WITH INITIAL STATIC SHEAR

M UMAR, G CHIARO, T KIYOTA

2016

Undrained Cyclic Behavior of Toyoura Sand Under Irregular and Equivalent Uniform Torsional Shear Stress Loading

M UMAR, G CHIARO, T KIYOTA

2019