Assessing the extent of pavement deterioration caused by subgrade volumetric movement through moisture infiltration

AF Ikechukwu, MM Hassan - International Journal of Pavement Research …, 2022 - Springer
Abstract Pavements across Free State in South Africa often experience seasonal moisture
variations that trigger, volumetric movement of the subgrade soil. The interaction of moisture …

[PDF][PDF] The effect of coffee husk ash on geotechnical properties of expansive soil

MK Atahu - 2020 - rosdok.uni-rostock.de
Expansive soil is one of the widespread typical problematic soils that poses several
challenges for civil engineers. Expansive soils are hard and strong when they dry out; swell …

A Comprehensive Review of Flexible Pavement Failures, Improvement Methods and Its Disadvantages

S Tasnim, FUA Shaikh, P Sarker, SI Doh… - Key Engineering …, 2021 - Trans Tech Publ
Flexible pavement failure has been a major problem encountered in various countries.
Some common distress which had been listed are cracking and rutting. The causes of this …

Geotechnical and mineralogical properties of treated clayey soil with dune sand

S Amri, M Akchiche, A Bennabi, R Hamzaoui - Journal of African Earth …, 2019 - Elsevier
Clayey soils are considered as problematic soils for geotechnical engineering. They are
characterized by poor geotechnical properties because of their high plasticity and water …

Validation of semi-empirical models for the prediction of swelling stress for compacted unsaturated expansive soils.

AF Ikechukwu, N Onyeka - 2022 - hungu-mut.figshare.com
Unsaturated swelling soil behaviour is governed by the matric suction, thus the
predetermination of swelling stress for expansive unsaturated soil requires rigorous …

[HTML][HTML] Expansive clay subgrade soil improvement using municipal solid waste fly ash: Experimental and numerical approach

DT Melese, G Jida, R Beyene, TT Woldesenbet… - Environmental …, 2024 - Elsevier
The expansive soil under investigation has caused damage to lightweight structures due to
its swelling and shrinkage characteristics in response to changing moisture content. The …

Swelling pressure prediction of compacted unsaturated expansive soils

AF Ikechukwu, MMH Mostafa - International Journal of Engineering …, 2022 - Trans Tech Publ
Generally, expansive soils undergoes significant volumetric deformation, which causes
structural damages to existing infrastructures. Damages due to expansive activities are …

Deformation modeling of flexible pavement in expansive subgrade in texas

A Ahmed, MDS Hossain, P Pandey, A Sapkota, B Thian - Geosciences, 2019 - mdpi.com
The tendency of expansive subgrade soil to undergo swelling and shrinkage with the
change in moisture has a significant impact on the performance of the pavement. The …

Expansive subgrade behavior on a state highway in North Texas

M Sahadat Hossain, A Ahmed, MS Khan… - Geotechnical and …, 2016 - ascelibrary.org
Expansive soil in pavement subgrade experiences volume change due to the seasonal
moisture and temperature. For the clear understanding of the subgrade behaviour, it is …

Geospatial-based approach for susceptibility assessment of expansive soils using a new multicriteria classification model

A Djellali, D Sarker, Z Benghazi, K Rais - Arabian Journal of Geosciences, 2022 - Springer
Geotechnical spatial distribution was applied using the geostatistical interpolation approach
to improve the accuracy of spatial prediction of geotechnical data throughout the study area …