International Journal of Advanced Manufacturing Technology, ( ISI ), Year (2022-11)

Title : ( Characterization of collapsible gypsum sand soil with the presence of matric suction using a modified odometer apparatus )

Authors: Rusul Almahmodi , Mustafa Abdalhusein , Ali Akhtarpour , Mohammed Shaker Mahmood ,

Citation: BibTeX | EndNote

Abstract

This study looks into the influence of matric suction on the volume change of gypsum sand soil in unsaturated conditions. The specimens were collected from Al-Najaf, Iraq, and included 14-percent and 29-percent gypsum. Three series of initial stress of laboratory tests were utilized in a modified Oedometer device. For each gypsum contents, twelve remolded specimens were examined in unsaturated circumstances with the initial stress and applied stress using four matric suctions (30 KPa, 18 KPa, 9 KPa and saturated state). Three tests were performed for each matric suctions with initial stresses, no initial load, 56 KPa and 112 KPa, respectively. The findings exhibits a clear pattern of increasing in vertical strain as gypsum content rises and matric suction reduces under a variety of situations. The wetting process softens the gypsum components which are significantly resulting in an increase in vertical strains.

Keywords

, matric suction, gypsum sand soil, Al-Najaf, modified Oedometer; volumetric strains, wetting process
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@article{paperid:1091389,
author = {Almahmodi, Rusul and Abdalhusein, Mustafa and Akhtarpour, Ali and Mohammed Shaker Mahmood},
title = {Characterization of collapsible gypsum sand soil with the presence of matric suction using a modified odometer apparatus},
journal = {International Journal of Advanced Manufacturing Technology},
year = {2022},
month = {November},
issn = {0268-3768},
keywords = {matric suction; gypsum sand soil; Al-Najaf; modified Oedometer; volumetric strains; wetting process},
}

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%0 Journal Article
%T Characterization of collapsible gypsum sand soil with the presence of matric suction using a modified odometer apparatus
%A Almahmodi, Rusul
%A Abdalhusein, Mustafa
%A Akhtarpour, Ali
%A Mohammed Shaker Mahmood
%J International Journal of Advanced Manufacturing Technology
%@ 0268-3768
%D 2022

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