Bearing Behavior of the Fly Ash Deposits on Expressway

Table 1

Laboratory test results of fly ash.

Original sample number	Sample depth (m)	Moisture content (%)	Wet density (g/cm^3)	Dry density (g/cm^3)	Proportion	Initial void ratio	Compression modulus ES1∼2 (MPa)	Permeability coefficient K20 (cm/s)	Saturated quick shear test
									Cohesion (kPa)	Internal friction angle (°)
A1-1	1.0∼1.3	33.4	1.38	1.03	2.62	1.562	19.58	2.38E − 4	12.0	27.8
A1-2	1.7∼2.0	42.4	1.31	0.92	2.62	1.881	8.89	—	35.0	26.3
A2-1	1.0∼1.3	48.0	1.54	1.03	2.62	1.547	11.44	—	14.0	24.6
A2-2	1.7∼2.0	53.7	1.40	0.91	2.62	1.909	6.53	—	1.0	28.6
A2-3	3.0∼3.3	61.7	1.41	0.87	2.62	2.039	8.12	9.32E − 4	0.0	30.5