6.00 5.00 4.00 3.00 2.00 1.00 0.00 –1.00 –2.00 –3.00 –4.00 –5.00 –6.00 –7.00 FIG. 3.37 Soil pressure ( 10 1 MPa). 0.45 0.30 0.15 0.00 –0.15 –0.30 –0.45 –0.60 –0.75 –0.90 –1.05 –1.20 –1.35 –1.50 FIG. 3.38 Soil pressure ( 10 2 m).