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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Kelvin-Voigt model for dynamics of crack opening in shrinkage cracking
Abstract According to an exhibition of clay soils consisting of not only elastic but also viscous properties, we present Kelvin-Voigt model combined by an elastic spring and a damper in parallel to investigate the dynamics of crack opening. The equation of motion of crack opening is derived mathematically from the equilibrium equation; that means the frictional shear stress is equal to the tension in the soil. After obtaining the equation of motion, the experiments were carried out in laboratory on Kaolin to validate the proposed model through cracks. The obtained experimental data were fitted by the dynamical equation of motion using curve-fitting method. The results indicate that the proposed model yields a good correlation between the experiment data and the computed values with the fairly high coefficient of regression (=0.98). Therefore, it is concluded that the proposed Kelvin-Voigt model can be used appropriately for describing the dynamics of crack opening in clays.
Kelvin-Voigt model for dynamics of crack opening in shrinkage cracking
Abstract According to an exhibition of clay soils consisting of not only elastic but also viscous properties, we present Kelvin-Voigt model combined by an elastic spring and a damper in parallel to investigate the dynamics of crack opening. The equation of motion of crack opening is derived mathematically from the equilibrium equation; that means the frictional shear stress is equal to the tension in the soil. After obtaining the equation of motion, the experiments were carried out in laboratory on Kaolin to validate the proposed model through cracks. The obtained experimental data were fitted by the dynamical equation of motion using curve-fitting method. The results indicate that the proposed model yields a good correlation between the experiment data and the computed values with the fairly high coefficient of regression (=0.98). Therefore, it is concluded that the proposed Kelvin-Voigt model can be used appropriately for describing the dynamics of crack opening in clays.
Kelvin-Voigt model for dynamics of crack opening in shrinkage cracking
Min, Tuk-Ki (Autor:in) / Vo-Dai, Nhat (Autor:in)
KSCE Journal of Civil Engineering ; 12 ; 149-154
01.05.2008
6 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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