Research Article
Effect of Keratin Structures from Chicken Feathers on Expansive Soil Remediation
Table 2
Index properties of the expansive soil.
| Parameter | Symbol | Value | Norma |
| Water content | | 27.86 (%) | ASTM D2216-98 [30] | Unit weight | | 1.69 (T/m3) | ASTM D7263-09 [31] | Specific gravity | | 2.67 | ASTM D854-02 [32] | Void ratio | | 1.32 | ASTM D7263-09 [31] | Degree of saturation | | 75.99 (%) | ASTM D7263-09 [31] | Gravel | G | 0.00 (%) | ASTM D2487-00 [33] | Sand | S | 2.00 (%) | ASTM D2487-00 [33] | Fine | C | 98.00 (%) | ASTM D2487-00 [33] | Liquid limit | LL | 85.51 (%) | ASTM D4318-00 [34] | Plastic limit | LP | 33.19 (%) | ASTM D4318-00 [34] | Plasticity index | Ip | 52.32 (%) | ASTM D4318-00 [34] | Shrinkage limit | SL | 14.51 (%) | ASTM D427-04 [35] | Classification | USCS | CH | ASTM D2487-00 [33] |
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