Experimental Study on Groutability of Sand Layer concerning Permeation Grouting

Table 4

The characteristic particle size and other physical parameters.

Sample	Sand type	Particle size range (mm)	D15 (mm)	D10 (mm)	ρdmax (g/cm^3)	ρdmin (g/cm^3)	emin	emax
1	Single particle size group	0.08∼0.16	0.092	0.088	1.597	1.409	0.655	0.881
2	Single particle size group	0.16∼0.315	0.183	0.1755	1.631	1.439	0.617	0.841
3	Single particle size group	0.315∼0.63	0.362	0.347	1.671	1.489	0.578	0.780
4	Single particle size group	0.63∼1.25	0.723	0.692	1.686	1.493	0.571	0.775
5	0.63∼1.25 mm, 80%; 1.25∼2.5 mm, 20%	0.63∼2.5	0.746	0.708	1.689	1.499	0.567	0.771
6	0.63∼1.25 mm, 60%; 1.25∼2.5 mm, 40%	0.63∼2.5	0.785	0.733	1.693	1.511	0.564	0.765
7	0.63∼1.25 mm, 40%; 1.25∼2.5 mm, 60%	0.63∼2.5	0.863	0.785	1.698	1.517	0.561	0.761
8	0.63∼1.25 mm, 20%; 1.25∼2.5 mm, 80%	0.63∼2.5	1.095	0.94	1.703	1.524	0.557	0.752
9	Single particle size group	1.25∼2.5	1.438	1.375	1.706	1.539	0.554	0.748
10	Single particle size group	2.5∼5	2.875	2.75	1.732	1.569	0.525	0.737
11	Single particle size group	5∼10	5.75	5.5	1.766	1.597	0.498	0.711