Research Article
Freeze-Thaw Performance and Moisture-Induced Damage Resistance of Base Course Stabilized with Slow Setting Bitumen Emulsion-Portland Cement Additives
Table 1
Properties of soil-aggregates used in this study.
| | Property | Requirement | Test result | Test method |
| | Water content (%) | NA | 6.621 | ASTM D 698 | | Unit weight (g/cm3) | NA | 2.19 | ASTM D 698 | | pH | 5.3—min | 8.26 | ASTM D 4972 | | Unified classification | NA | GP-GM | ASTM D 2487 | | AASHTO classification | NA | A-1-a | ASTM D 3282/AASHTO M 145 | | Liquid limit (%) | 25—max | 21.4 | ASTM D 4318 | | Plastic limit (%) | 29—max | 19.6 | ASTM D 4318 | | Plastic index (%) | 4—max | 1.8 | ASTM D 4318 | | Coeffıcient of curvature (Cc) | NA | 2.39 | ASTM D 2487 | | Coeffıcient of uniformity (Cu) | NA | 71.5 | ASTM D 2487 | | Group index | NA | 0 | ASTM D 3282 | | Specific gravity (OD) | NA | 2.659 | ASTM C 127/C 128 | | Specific gravity (SSD) | NA | 2.686 | ASTM C 127/C 128 | | Apparent specific gravity | NA | 2.731 | ASTM C 127/C 128 | | Water absorption (%) | 2—max | 0.973 | ASTM C 127/C 128 | | Linear shrinkage (%) | 3—max | 1.5 | BS 1377: Part 2 | | Elongation index (%) | 25—max | 13.03 | BS 812: Section 105.2 | | Flakiness index (%) | 25—max | 7.68 | BS 812: Section 105.1 | | Average least dimension (mm) | NA | 5.5 | BS 812: Section 105.1 | | Sand equivalent (%) | 35—min | 84 | ASTM D 2419 | | Los Angeles abrasion (%) | 50—max | 17.5 | ASTM C131 | | UCS (MPa) | NA | 0.25 | ASTM D 2166/D 1633 | | CBR (%) | 80—min | 101.32 | ASTM D 1883 |
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