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

Table 8

Shear strength parameters.

Soil group	Moisture content	Steel slag incorporation ratio αs (%)	Density (g/cm^3)	Cohesive force c (kPa)	Internal friction angle (φ (°))
Steel slag-silt mixture	50%	αs = 30%	1.52	76.09	33.52
		αs = 40%	1.51	83.18	32.88
		αs = 50%	1.47	85.17	38.68
		αs = 60%	1.43	92.52	42.57
		αs = 70%	1.45	111.31	44.51
	60%	αs = 70%	—	86.53; 117.93; 97.08	13.65; 22.18; 28.78
		αs = 90%	—	117.93; 97.08	22.18
		αs = 110%	—	97.08	28.78
	70%	αs = 70%	1.57	121.29	24.37
		αs = 90%	1.51	78.04	44.55
		αs = 110%	1.46	63.6	49.6
	90%	αs = 70%	1.73	95.49	23.09
		αs = 90%	1.57	72.69	43.39
		αs = 110%	1.53	61.20	50.83
Steel slag	—	—	1.94	5	39
Silt soil	—	—	1.62	1–8	1.5–10
Clay	—	—	1.75–2.1	22–40	5–15
Silty clay	—	—	1.95–2.1	5–10	27–30
Sand clay	—	—	1.95–2.1	6–12	23–25
Coarse sand	—	—	1.9–2.05	0–2	38–42
Medium sand	—	—	1.9–2.05	1–3	35–40
Fine sand	—	—	1.9–2.05	2–6	32–38
Mealy sand	—	—	1.9–2.05	6–8	34–36
Loess (remolded)	—	—	1.4–1.9	50	22.25