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With the help of SEM(scanning electron microscope) , we research the initiation and development of wing crack of prefabricated crack marble specimens under uniaxial compression and then do the quantitative analysis. The size of the marble specimens is: 20mm*10mm*2mm, and there is a crack (length is 4mm, width is 0.5mm) in the middle with loading direction of 45 degrees. We take photos when the system...
Settlement and deformation will occur in upper part of valley soft foundation area due to the embankment filling. And the stress and deformation will vary after the geogrid has been laid beneath the embankment. This paper compare the magnitude of settlement, the distribution of differential settlement, and the calculation of slope stability safety factor by FEM software for Geotechnical Engineering...
In this paper, the free vibrations of incomplete toroidal shells with different meridional boundary conditions are studied based on the linear Flugge thin shell theory. The cross-section of toroidal shells is assumed to be a closed circle. The circumferential modes are represented by a series of trigonometric functions and the meridional modes are expressed as a combination of beam functions which...
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