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The influence of quartz content on modulus of elasticity and Poisson’s ratio in quartz sandstone
https://orcid.org/0000-0002-3272-4674
https://orcid.org/0000-0003-0092-4847
Abstract High content of quartz in various sizes can affect the physical and mechanical properties, in particular the modulus of elasticity and Poisson’s ratio. Sandstones are composed of clay-sized to coarse sand-sized quartz minerals, which will affect rock plasticity. The existence of clay-sized sand will certainly have a different impact from the clay-sized material composed of clay minerals. This study aims to determine the influence of quartz mineral content in sandstone on the modulus of elasticity and Poisson’s ratio. The analysis was carried out on undisturbed samples of quartz sandstone taken from the Warukin Formation. Uniaxial test was performed on the samples by referring to the ASTM standard. To identify the relationship between the quartz content and the modulus of elasticity as well as Poisson’s ratio, simple regression method was implemented. The result shows that quartz content has a very strong correlation with modulus of elasticity in both axial and diametral conditions as well as with Poisson’s ratio, indicated by the correlation degree of above 0.90. Each of 1% increase in quartz content is followed by 5% increase in modulus of elasticity in axial condition, 2.4% increase in modulus of elasticity in diametral condition, and 0.84% increase in Poisson’s ratio. The elastic modulus increases as the quartz content increases due to the friction among the very heterogeneous quartz minerals (fine to coarse sand in size). When there is pressure, fine-sized quartz will experience deformation and will move to fill the voids so that the sandstone has a high strain.
The influence of quartz content on modulus of elasticity and Poisson’s ratio in quartz sandstone
https://orcid.org/0000-0002-3272-4674
https://orcid.org/0000-0003-0092-4847
Abstract High content of quartz in various sizes can affect the physical and mechanical properties, in particular the modulus of elasticity and Poisson’s ratio. Sandstones are composed of clay-sized to coarse sand-sized quartz minerals, which will affect rock plasticity. The existence of clay-sized sand will certainly have a different impact from the clay-sized material composed of clay minerals. This study aims to determine the influence of quartz mineral content in sandstone on the modulus of elasticity and Poisson’s ratio. The analysis was carried out on undisturbed samples of quartz sandstone taken from the Warukin Formation. Uniaxial test was performed on the samples by referring to the ASTM standard. To identify the relationship between the quartz content and the modulus of elasticity as well as Poisson’s ratio, simple regression method was implemented. The result shows that quartz content has a very strong correlation with modulus of elasticity in both axial and diametral conditions as well as with Poisson’s ratio, indicated by the correlation degree of above 0.90. Each of 1% increase in quartz content is followed by 5% increase in modulus of elasticity in axial condition, 2.4% increase in modulus of elasticity in diametral condition, and 0.84% increase in Poisson’s ratio. The elastic modulus increases as the quartz content increases due to the friction among the very heterogeneous quartz minerals (fine to coarse sand in size). When there is pressure, fine-sized quartz will experience deformation and will move to fill the voids so that the sandstone has a high strain.
The influence of quartz content on modulus of elasticity and Poisson’s ratio in quartz sandstone
https://orcid.org/0000-0002-3272-4674
https://orcid.org/0000-0003-0092-4847
Abstract High content of quartz in various sizes can affect the physical and mechanical properties, in particular the modulus of elasticity and Poisson’s ratio. Sandstones are composed of clay-sized to coarse sand-sized quartz minerals, which will affect rock plasticity. The existence of clay-sized sand will certainly have a different impact from the clay-sized material composed of clay minerals. This study aims to determine the influence of quartz mineral content in sandstone on the modulus of elasticity and Poisson’s ratio. The analysis was carried out on undisturbed samples of quartz sandstone taken from the Warukin Formation. Uniaxial test was performed on the samples by referring to the ASTM standard. To identify the relationship between the quartz content and the modulus of elasticity as well as Poisson’s ratio, simple regression method was implemented. The result shows that quartz content has a very strong correlation with modulus of elasticity in both axial and diametral conditions as well as with Poisson’s ratio, indicated by the correlation degree of above 0.90. Each of 1% increase in quartz content is followed by 5% increase in modulus of elasticity in axial condition, 2.4% increase in modulus of elasticity in diametral condition, and 0.84% increase in Poisson’s ratio. The elastic modulus increases as the quartz content increases due to the friction among the very heterogeneous quartz minerals (fine to coarse sand in size). When there is pressure, fine-sized quartz will experience deformation and will move to fill the voids so that the sandstone has a high strain.
The influence of quartz content on modulus of elasticity and Poisson’s ratio in quartz sandstone
Sujatono, Supandi (Autor:in) / Wijaya, Andy Erwin (Autor:in)
2022
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
BKL:
56.00$jBauwesen: Allgemeines
/
38.58
Geomechanik
/
38.58$jGeomechanik
/
56.20
Ingenieurgeologie, Bodenmechanik
/
56.00
Bauwesen: Allgemeines
/
56.20$jIngenieurgeologie$jBodenmechanik
RVK:
ELIB18
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