Research Article

Effects of Particle Shapes and Sizes on the Minimum Void Ratios of Sand

Table 5

The predicted and the measured values of (emin)min.

SandsMixtures (mm)d (mm)D (mm)Equation (2)MeasuredPredicted

NS2–5∼0.1–0.250.1753.5(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.0691)}0.3050.278
2–5∼0.25–0.50.3750.4260.425
2–5∼0.5–10.750.5020.516
2–5∼1-21.50.5500.539
1-2∼0.1–0.250.1751.50.4250.440
1-2∼0.25–0.50.3750.5170.525
1-2∼0.5–10.750.5370.540

DS2–5∼0.1–0.250.1753.5(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.0721)}0.3550.270
2–5∼0.25–0.50.3750.4250.418
2–5∼0.5–10.750.5050.512
2–5∼1-21.50.5310.539
1-2∼0.1–0.250.1751.50.4350.433
1-2∼0.25–0.50.3750.4960.523
1–2∼0.5–10.750.5280.539

FS1-2∼0.1–0.250.1751.5(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.1168)}0.3460.342
1-2∼0.25–0.50.3750.4500.476
1-2∼0.5–10.750.5030.533

B1 & C43∼0.90.93(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.2165)}0.4020.405
B1 & C33∼1.51.50.4820.486
B1 & C23∼2.12.10.5380.519
B2 & C32.1∼1.51.52.10.5250.520
B2 & C42.1∼0.90.90.4520.466
B1 & B43∼0.90.93(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.2417)}0.3850.384
B1 & B33∼1.51.50.4810.472
B1 & B23∼2.12.10.5320.510

C1 & C43∼0.90.93(emin)min = 0.54 ∗ {1 − exp(−(d/d)/0.1871)}0.4220.431
C1 & C33∼1.51.50.4910.503
C1 & C23∼2.12.10.5080.527
C2 & C32.1∼1.51.52.10.5180.528
C2 & C42.1∼0.90.90.4400.485
C3 & C41.5∼0.90.91.50.4820.518