A review of collapsible soils behavior and prediction

MS Mahmood, MJ Abrahim - IOP Conference Series: Materials …, 2021 - iopscience.iop.org
Collapsible soils are present in arid and semi-arid regions in an unsaturated state and are
considered to be one of the problematic soils that face engineering and geotechnical …

Settlement assessment of gypseous sand after time-based soaking

MS Mahmood, A Akhtarpour… - IOP Conference …, 2020 - iopscience.iop.org
This paper investigates the effect of the soaking process on gypseous sand soils. The recent
research investigates the time-based soaking method on high gypsum contents (29%) of soil …

[PDF][PDF] Settlement behavior of sand soil upon soaking process

MS Mahmood, LJ Aziz, A Al-Gharrawi - International Journal of Civil …, 2018 - academia.edu
This paper investigates the effect of soaking process on the settlement behavior of sand soil
with gypsum from Al-Najaf city in Iraq. The investigation includes two sets of soil samples …

Unsaturated behaviour of gypseous sand soils using a modified triaxial test apparatus

M Abdalhusein, A Akhtarpour… - International Journal of …, 2022 - Taylor & Francis
This paper presents laboratory experiments on the effect of matric suction on the
compressibility of unsaturated gypsum sand soil. The samples were obtained from Al-Najaf …

Behavior of load-settlement-time for short-term wetting in unsaturated test of Al-Najaf gypseous soil

SM Saleh, MS Mahmood - AIP Conference Proceedings, 2023 - pubs.aip.org
This recent paper is focused on the effect of multiple matric suctions (90, 50, 20, 10, 7, 2, and
0 kPa) on gypseous sand in the short-term on the deformation of the Oedometer cell …

Ultrasonic Analysis of the Influence of Structure on Tropical Soil Behavior

GS Pereira, HN Pitanga, RL Ferraz… - Geotechnical and …, 2025 - Springer
Advancing the current understanding of the effects of tropical soil structure on their
mechanical behavior is challenging due to the difficulty of isolating different structural effects …

Reliability of shear-box tests upon soaking process on the sand soil in al-najaf city

MS Mahmood, WH Al-Baghdadi, AM Rabee… - Key Engineering …, 2020 - Trans Tech Publ
Accurate prediction of the soil shear strength parameters is essential in the reliable
geotechnical design of civil engineering structures. This recent paper investigates the effect …

Estimation of capillary rise in unsaturated gypseous sand soils

S Alsamia, MS Mahmood, A Akhtarpour - Pollack Periodica, 2020 - akjournals.com
The phenomenon of capillary rise happens in soils, and it has a crucial effect on many
engineering applications. Many researchers have concluded several experimental …

[PDF][PDF] Prediction of discrepancy settlement behaviour of sand soils

MS Mahmood - Applied Research Journal, Iran, 2018 - academia.edu
Settlement is the void ratio decreases due to the external loads whereas the volume of solid
particles is unaffected. The geotechnical properties of soils are far more complex and difficult …

Investigation of the Brittleness and Sensitivity of the Gypseous Sand Improved by Nano-clay

MJ Abrahim, RF Ibrahim, BMM Salih… - … , Technology & Applied …, 2024 - etasr.com
This study examines the brittleness index and sensitivity ratio of two gypseous sand soils
under saturation conditions improved by nano-clay. The soil samples were obtained from …