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Experimental program_
| Relative density, Dr(%) | Fiber content, Fc(%) | Normal stress, 6n(kPa) |
|---|---|---|
| 30 | 0,0.25, 0.5and 0.75 | 50, 100 and 200 |
| 50 | 0, 0.25, 0.5and 0.75 | 50, 100 and 200 |
| 80 | 0, 0.25, 0.5and 0.75 | 50, 100 and 200 |
Engineering properties of Chlef sand_
| Sand Properties | Standard test specifications | Value |
|---|---|---|
| Medium grain size, D50 (mm) | ASTM D-422 | 0.40 |
| Maximum diameter, Dmax(mm) | ASTM D-422 | 2.00 |
| Coefficient of uniformity, Cu (.) | ASTM D-422 | 2.227 |
| Coefficient of curvature, Cc (.) | ASTM D-422 | 0.891 |
| Mean specific gravity, Gs(.) | ASTM D854-02 | 2.665 |
| Maximum void ratio, emax(.) | ASTM D4253-00 | 0.85 |
| Minimum void ratio, emin(.) | ASTM D4254-00 | 0.56 |
Physical and mechanical properties of polypropylene fiber_
| Specific gravity | Length (mm) | Diameter (μm) | Tensile strength (MPa) | Young modulus (GPa) |
|---|---|---|---|---|
| 0.91 | 12 | 32 | 600–700 | 3.0–3.5 |