Laboratory Characterization and Influence of Mineralogy and Grading on the Performance of Treated and Untreated Granular Materials Used as Surface Pavements in Unpaved Road
Table 3
Relative results for granitic gneiss for the 3 different gradings.
Grading: 4.4%/7%/10.1% (% of 80 m or less)
Product
Dosage (L/m², %)
CBR
Compressive strength
Brine
1.2
0.9/1.1/1.3
1.2/1.8/1.2
1.4/1.1/1.1
Brine
1.5
0.9/1.0/1.3
1.1/1.7/1.1
1.4/1.1/0.9
Brine
1.8
0.9/1.0/1.3
1.0/1.7/1.2
1.3/1.3/0.9
CaCl2
1.3
0.9/0.9/1.2
1.1/1.5/1.1
1.3/1.0/0.8
CaCl2
1.8
0.8/0.9/1.4
1.0/1.3/1.1
1.1/1.1/0.9
CaCl2
2.3
0.8/1.0/1.3
1.2/1.4/1.3
1.0/0.8/0.9
Polymer
1.4
1.1/1.1/1.3
1.4/1.9/1.1
2.2/1.1/1.5
Polymer
2.4
1.1/1.1/1.3
1.3/1.9/1.0
3.3/1.1/1.2
Polymer
3.4
1.1/0.9/1.3
1.6/2.1/1.2
4.4/2.7/1.5
Cement
1.5
0.9/1.1/1.4
3.7/1.9/2.5
3.8/3.8/3.2
Cement
3.5
1.1/1.1/1.9
4.8/2.5/3.2
6.0/9.8/6.4
Cement
4.5
1.0/1.2/1.8
6.3/2.9/3.3
10.0/11.3/14.4
Cement
6.0
1.1/1.3/1.7
5.3/6.9/5.1
10.8/14.3/19.8
Ref.
Rel.
1.0/1.0/1.0
1.0/1.0/1.0
1.0/1.0/1.0
Ref.
Abs.*
153/137/100
21/17/19
2.8/2.5/2.4
*MPa for tests, kN for CBR and compressive strength tests.
