Study on Shear Strength Characteristics of Marine Silt Modified by Steel Slag

Table 6

Cohesion and internal friction angle of mixture soil.

Working condition	Moisture content ω (%)	Steel slag incorporation αs (%)	Force of cohesion C (kPa)	Angle of internal friction φ (°)	ΔC (kPa)	Δφ (°)
MS-CSS11	50	30	76.09	33.52	—	—
MS-CSS12	50	40	83.18	32.88	7.09	−0.64
MS-CSS13	50	50	85.17	38.68	1.99	5.8
MS-CSS14	50	60	95.52	42.57	10.35	3.89
MS-CSS15	50	70	111.31	44.51	15.70	1.94
MS-CSS21	70	70	121.29	24.37	—	—
MS-CSS22	70	90	78.04	44.55	−43.25	20.18
MS-CSS23	70	110	63.6	49.6	−14.44	5.05
MS-CSS31	90	70	95.49	23.09	—	—
MS-CSS32	90	90	72.69	43.39	−22.8	20.3
MS-CSS33	90	110	61.2	50.83	−11.49	7.44