Research Article

Improving the Mechanical Properties of Red Clay Using Xanthan Gum Biopolymer

Table 2

The compressibility indexes of confined compression test.

Test groupsCuring ages (days) (MPa-1) (MPa-1) (MPa-1)

Red clay00.17612.1290.0820.053
0.10920.6870.0480.034
0.09820.5300.0490.040
0.10219.6970.0510.043
0.13015.2470.0660.063
0.12915.5100.0640.053

Red clay70.14315.2760.0650.042
0.10819.2470.0520.037
0.09720.6740.0480.040
0.08024.9850.0400.033
0.10320.9170.0490.032
0.12216.4050.0610.030

Red clay140.12117.4230.0570.047
0.10419.0790.0520.042
0.06929.0250.0340.033
0.06530.6740.0330.029
0.08722.8790.0440.039
0.10419.0790.0520.043

Red clay280.09620.7340.0480.036
0.08124.4200.0410.036
0.07128.1000.0360.031
0.05833.1400.0300.029
0.09221.4480.0470.037
0.10219.5360.0510.026