Porosity and Water Content Prediction with Dry Unit Weight Measurements of Evaporitic Rocks from Abu Dhabi City, United Arab Emirates

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The evaporitic rocks commonly occur at the surface or depth and may be found in the foundations of buildings and infrastructure constructions in Abu Dhabi. The evaporites typically are composed of gypsum, anhydrite, and halite-rich sediments. Due to their variable textures, structures, and chemical composition, and changes in the surrounding conditions because of watering and dewatering, their mechanical and physical properties can variate. Therefore, predicting the porosity (n) and water content (WC) of evaporites is critical at various stages of construction. The aim is to simply predict the n and wc of evaporites from their measured dry unit weights (γd) and provide guidelines to engineers to help reduce the cost of hazards assessment of the engineering projects constructed on/in evaporite rocks. Extensive field study and rock sampling were carried out, and evaporite rock samples were collected from 27 locations in Abu Dhabi city and its surroundings. The n, wc, and γd of evaporitic rocks were measured on 355 samples. The linear regression analyses indicated that the mean n and wc decreased with the mean γd of evaporitic rocks. The representative best-fit lines equations and the corresponding correlation coefficient, R values, were estimated as −0.85 and −0.78. Fast, simple, and reliable prediction of n and wc from γd will be useful and initiate the possibility of quick judgment/prediction of evaporite durability and strength behavior. Ultimately, the study will benefit the UAE economy, help minimize risks, and increase engineering structures’ safety.

Original languageEnglish
Title of host publicationRecent Research on Geotechnical Engineering, Remote Sensing, Geophysics and Earthquake Seismology - Proceedings of the 1st MedGU, Istanbul 2021 Volume 3
EditorsAttila Çiner, Zeynal Abiddin Ergüler, Mourad Bezzeghoud, Mustafa Ustuner, Mehdi Eshagh, Hesham El-Askary, Arkoprovo Biswas, Luca Gasperini, Klaus-Günter Hinzen, Murat Karakus, Cesare Comina, Ali Karrech, Alina Polonia, Helder I. Chaminé
PublisherSpringer Nature
Pages121-123
Number of pages3
ISBN (Print)9783031432170
DOIs
Publication statusPublished - 2024
Event1st International conference on Mediterranean Geosciences Union, MedGU 2021 - Istanbul, Turkey
Duration: Nov 25 2021Nov 28 2021

Publication series

NameAdvances in Science, Technology and Innovation
ISSN (Print)2522-8714
ISSN (Electronic)2522-8722

Conference

Conference1st International conference on Mediterranean Geosciences Union, MedGU 2021
Country/TerritoryTurkey
CityIstanbul
Period11/25/2111/28/21

Keywords

  • Abu Dhabi city
  • Dry unit weight
  • Evaporitic rocks
  • Porosity
  • Water content

ASJC Scopus subject areas

  • Architecture
  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment

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