Results 1 to 10 of about 1,170 (157)

Settlement and Collapse of Gypseous Soils

open access: yesTikrit Journal of Engineering Sciences, 2016
The work in this research presents an experimental, theoretical and field study in order to investigate the settlement of Gypseous soils and the effect of water percolation on collapsibility of this soil.
Ahmed A. Al-Obaidi   +1 more
doaj   +6 more sources

Effect of saturation on dynamic characteristics of collapsible gypseous soil using cyclic triaxial testing

open access: yesCase Studies in Construction Materials, 2023
Studying the unsaturated gypseous soils behavior may lead to more understanding of the gypseous soil problems associated with unsaturation under the effect of the vertical vibrations.
Ahmed Salah Abood   +2 more
doaj   +3 more sources

Gypseous Soil Improvement by Silicone Oil

open access: yesمجلة النهرين للعلوم الهندسية, 2017
Gypseous soils are usually stiff when they are dry especially because of the cementation of soil particles by gypsum, but great loss in strength and sudden increase in compressibility occur when these soils are fully or partially saturated.
Ali Nasir Ibrahim, Tom Schanz
doaj   +1 more source

Optimizing Different Gypseous Soil Characteristics Incorporating Clayey Soil

open access: yesمجلة النهرين للعلوم الهندسية
Gypsum soil is classified as problematic because it contains gypsum, a soluble substance in the presence of water. Therefore, it is recommended that it be improved before construction.
Zainulabdeen Hussein Al Wattar   +1 more
doaj   +2 more sources

Impact of eccentricity and depth-to-breadth ratio on the behavior of skirt foundation rested on dry gypseous soil

open access: yesJournal of the Mechanical Behavior of Materials, 2022
Gypseous soils are considered one of the most problematic soils. The skirted foundation is an alternative technology that works to improve the bearing capacity and reduce settlement.
Abd-Alhameed Hind Jamal   +1 more
doaj   +2 more sources

Shear Strength characteristics of gypseous Soil with Lime

open access: yesمجلة علوم ذي قار, 2019
Gypseous soils are abundant in Iraq, constitute over 33% of total surface area in Iraq. The structures that founded on these soils could face large damages due to dissolving of gypsum when saturated in water.This study investigates the shear strength ...
Talib Kamel Qassim Al-Sheakayree
doaj   +1 more source

Studying Characteristics and Strength of the Unsaturated Gypseous Soil with Various Saturation Degrees [PDF]

open access: yesEngineering and Technology Journal, 2023
The main objective of this study is to determine the appropriateness of unsaturated gypseous soil as a subgrade layer for carrying foundations. A comprehensive laboratory testing program was implemented to investigate the geotechnical characteristics and
Ahmed Abood   +2 more
doaj   +1 more source

Investigation of the Bearing Capacity and Collapsibility of Gypseous Soil Using Geotextile Reinforcement [PDF]

open access: yesEngineering and Technology Journal, 2022
This study aims to increase the bearing capacity of the soil by using geosynthetics in a single, double, or triple distribution pattern. The gypseous soil samples were brought from a site near Sawa Lake in Al-Muthanna Governorate with a gypsum content of
Qasim Al-Obaidi   +2 more
doaj   +1 more source

Experimental Investigation of Capillary Rise in Unsaturated Gypseous Soils [PDF]

open access: yesE3S Web of Conferences, 2023
Capillary rise is a phenomenon that must be considered an inevitable factor when dealing with unsaturated gypseous soil. This study investigates the behavior of gypseous unsaturated soil under capillary action, where different gypsum content and soil ...
Al-Obaidi Ahmed A., Alsalih Dalia
doaj   +1 more source

Experimental Investigation of Square Footing Resting on Sand over Gypseous Soils

open access: yesTikrit Journal of Engineering Sciences, 2020
This study included (40) tests of loading a square footing (100*100 mm) resting on two layered soils (sand over gypseous soils) using a steel box with the dimensions of (900*900*500 mm).
Adnan Jayed Zedan, Heba H. Abbas
doaj   +3 more sources

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