The Delft Sand, Clay & Rock Cutting Model, 2019a

Figures & Tables.
18.3. List of Tables.
Table 2-1: Soil Classification. ................................................................................................................................. 9
Table 2-2: Empirical values for ρ t, of granular soils based on the standard penetration number, (from Bowels,
Foundation Analysis). .....................................................................................................................24
Table 2-3: Empirical values for ρ s, of cohesive soils based on the standard penetration number, (From Bowels,
Foundation Analysis). .....................................................................................................................25
Table 2-4: Typical Soil Characteristics (From Lindeburg, Civil Engineering Reference Manual for the PE Exam,
8 th edition). ......................................................................................................................................25
Table 2-5: Typical Values of Soil Index Properties ...............................................................................................25
Table 2-6: Designation of Granular Soil Based on Relative Density. ....................................................................26
Table 2-7: Empirical values for φ, of granular soils based on the standard penetration number, (From Bowels,
Foundation Analysis). .....................................................................................................................30
Table 2-8: Relationship between φ, and standard penetration number for sands, ..................................................30
Table 2-9: Relationship between φ, and standard penetration number for sands, ..................................................30
Table 2-10: External friction angle φ values. .........................................................................................................31
Table 2-11: Guide for Consistency of Fine-Grained Soil, NAVFAC 7.02 ............................................................33
Table 2-12: Empirical Values for Consistency of Cohesive Soil, (from Foundation Analysis, Bowels) ...............33
Table 2-13: The Mohs scale (source Wikipedia). ..................................................................................................36
Table 2-14: Typical values of the permeability k. ..................................................................................................41
Table 2-15: Some permeabilities according to Hazen’s equation. .........................................................................41
Table 4-1: The influences for each type of soil. ...................................................................................................103
Table 5-1: The inertial effect. ...............................................................................................................................116
Table 6-1: A comparison between the numerical and analytical dimensionless pore vacuum pressures. ............141
Table 6-2: The influence of the width ratio between the center blade and the side blades. .................................170
Table 6-3: The cutting forces on the side blades. .................................................................................................171
Table 6-4: Influence of the scale factor. ...............................................................................................................172
Table 6-5: The total cutting force measured. .......................................................................................................173
Table 6-6: The location of the resulting cutting force. .........................................................................................174
Table 6-7: The location of the resulting cutting force. .........................................................................................174
Table 6-8: Measured dimensionless forces. .........................................................................................................175
Table 6-9: Measured dimensionless forces. .........................................................................................................175
Table 6-10: Average dimensionless pore pressures on the blade. ........................................................................176
Table 6-11: Measured dimensionless forces. .......................................................................................................176
Table 7-1: Guide for Consistency of Fine-Grained Soil (Lambe & Whitman (1979)). ......................................211
Table 8-1: Some m values of Hoek & Brown. .....................................................................................................253
Table 8-2: Summary of the Evans theory. ............................................................................................................268
Table 8-3: Resulting forces and specific energy. .................................................................................................295
Table 9-1: Forces and specific energy example. ..................................................................................................318
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