Research Article

Study on Permeability of Steel Slag and Steel Slag Modifying Silt Soil as New Geo-Backfill Materials

Table 7

Permeability coefficients of three kinds of steel slag at standard temperature.

MaterialNumber (%)e (cm/s)T (°C) (cm/s)

Fine steel slag1220.4937.839 × 10−328.20.8336.53 × 10−3
2300.5328.182 × 10−330.80.7816.39 × 10−3
3450.6156.376 × 10−329.80.7985.08 × 10−3
4470.6254.610 × 10−328.20.8333.84 × 10−3
5660.6904.034 × 10−328.00.8333.36 × 10−3
6750.7243.821 × 10−329.50.8063.08 × 10−3
Coarse steel slag190.5678.9 × 10−232.00.7656.81 × 10−2
2330.6057.4 × 10−228.10.8336.16 × 10−2
3470.6357.073 × 10−228.20.8335.89 × 10−2
4530.6614.66 × 10−217.01.0775.02 × 10−2
5600.7203.2 × 10−218.01.0503.36 × 10−2
6690.8243.05 × 10−218.21.0503.20 × 10−2
Gravel steel slag1380.4222.77 × 10−218.01.0502.91 × 10−2
2500.4822.38 × 10−218.81.0252.44 × 10−2
3560.5101.61 × 10−217.01.0771.72 × 10−2
4680.5926.4 × 10−318.01.0506.72 × 10−3
5720.6200.99 × 10−418.81.0251.01 × 10−4
6780.7156.80 × 10−518.01.0507.20 × 10−5