Influence of fine particle content on the mechanical behavior of river gravel material

Fig.1 represents the test scaling curve and materials Fig.3 represents the test gradation curves Fig.4 represents the stress-strain curves of the river gravel materials under different confining pressures and different fines particle contents Fig.5 represents the relationship between the peak strength and the fine particle content and different confining pressures Fig.6 represents the relationship of fine particle content and strength parameters Fig.7 represents the volumetric strain-strain curves of the materials under different fine particle contents Fig.8 represents the dilatancy ratio–axial strain curves of river gravel materials under different fine particle contents and confining pressures Fig.10 represents the changes in each particle size group of gradation Fig.11 represents the relationship between Bg and the fine particle content under different confining pressures Fig.12 represents the gradation curves for the three fine particle contents Fig.13 represents the relationship between Br and the fine particle content under different confining pressures