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