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 5
Relative results for limestone for the 3 different gradings.
Grading: 3.8%/6.6%/8.8% (% of 80 m or less)
Product
Dosage (L/m², %)
CBR
Compressive strength
Brine
1.2
0.9/1.1/0.9
0.8/0.5/0.7
0.4/1.1/1.0
Brine
1.5
0.9/0.9/1.0
0.9/0.5/0.7
0.4/1.0/0.9
Brine
1.8
0.8/0.9/0.9
0.6/0.4/0.6
0.3/1.0/0.8
CaCl2
1.3
0.8/0.8/1.0
0.5/0.5/0.7
0.6/0.9/1.0
CaCl2
1.8
0.8/0.8/0.9
0.5/0.7/0.8
0.3/0.8/1.1
CaCl2
2.3
0.8/0.8/0.9
0.5/0.6/0.6
0.3/0.7/1.1
Polymer
1.4
1.1/1.2/1.0
1.6/1.4/0.9
1.8/2.4/1.5
Polymer
2.4
1.1/1.1/0.9
1.5/1.4/0.7
2.1/2.9/1.6
Polymer
3.4
1.1/1.1/0.9
1.5/1.3/0.8
2.1/3.4/1.7
Cement
1.5
1.0/1.0/0.9
1.0/1.5/1.2
1.2/2.0/1.2
Cement
3.5
1.0/1.2/0.9
2.2/3.2/1.9
3.3/3.0/2.5
Cement
4.5
1.3/1.1/0.9
2.2/4.1/2.0
4.6/3.5/2.5
Cement
6.0
1.4/1.2/1.0
2.4/5.0/2.3
6.1/5.8/3.7
Ref.
Rel.
1.0/1.0/1.0
1.0/1.0/1.0
1.0/1.0/1.0
Ref.
Abs.*
179/165/196
15/14/26
4.9/4.4/7.5
*MPa for tests, kN for CBR and compressive strength tests.
