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Impacts of anisotropy coefficient and porosity on the thermal conductivity and P-wave velocity of calcarenites used as building materials of historical monuments in Morocco

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Journal of Rock Mechanics and Geotechnical Engineering 2023年第7期15卷 1687-1699页

作者： Abdelaali Rahmouni Abderrahim Boulanouar Younes El Rhaffari Mohammed Hraita Aziz Zaroual Yves Géraud Jamal Sebbani Abdellah Rezzouk Bassem S.Nabawy Laboratory of Solid State Physics Department of PhysicsFaculty of Science Dhar El MahrazSidi Mohamed Ben Abdellah UniversityFezMorocco Laboratory of Applied Sciences National School of Applied SciencesAbdelmalek Essaadi UniversityAl HoceimaMorocco Laboratory of Civil Engineering and Environment Higher School of Technology of SaléMohammed V UniversityRabatMorocco Department of Physics Higher Normal SchoolMohammed V UniversityRabatMorocco Laboratory of Materials Nanotechnologies and EnvironmentFaculty of ScienceMohammed V UniversityRabatMorocco University of Lorraine ENSGUMR 7359-GeoRessourcesNancyFrance Mechanics and Materials Team Faculty of ScienceMohammed V UniversityRabatMorocco Geophysical Sciences Department National Research CentreCairoEgypt

It is essential to study the porosity,thermal conductivity,and P-wave velocity of calcarenites,as well as the anisotropy coefficients of the thermal conductivity and P-wave velocity,for civil engineering,and conservation and restoration of historical *** study focuses on measuring the thermal conductivity using the thermal conductivity scanning(TCS)technique and measuring the P-wave ve-locity using portable *** was applied for some dry and saturated calcarenite samples in the horizontal and vertical directions(parallel and perpendicular to the bedding plane,respectively).The calcarenites were selected from some historical monuments in *** physical properties were measured in the laboratory to find a reliable relationship between all of these *** a result of the statistical analysis of the obtained data,excellent linear relationships were observed between the porosity and both the thermal conductivity and *** relationships are characterized by relatively high coefficients of determination for the horizontal and vertical *** on the thermal conductivity and P-wave velocity values in these two directions,the anisotropy coefficients of these two properties were *** internal structure and the pore fabric of the calcarenite samples were delineated using scanning electron microscopy(SEM),while their chemical and mineral compositions were studied using the energy dispersive X-ray analysis(EDXA)and X-ray diffraction(XRD)techniques.

关键词： moroccan historical monuments Calcarenite Thermal conductivity P-wave velocity Porosity Anisotropy coefficient Water saturation

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