Research Article

Experimental Study on Groutability of Sand Layer concerning Permeation Grouting

Table 3

Characteristic particle size of cement used in the tests.

Cementd85 (μm)d90 (μm)d95 (μm)

PO.42.523.87228.9336.127

d85, d90, and d95 are particle diameters corresponding to 85%, 90%, and 95% of the cement particle-size distribution curve, respectively.