Table 1. Characteristic geotechnical... | Emerald Publishing

Table 1.

Characteristic geotechnical design parameters

N_SPT	γ: kN/m³	c_u: kPa	φ’: degrees	c’: kPa	E_u: MPa	E’: MPa	UCS^a: MPa	ν’	k₀
Granular Made Ground
5–50	18	—	28 (loose) 41 (dense)	0	—	10 (loose) 30 (dense)	—	0.30	0.50 (loose) 0.34 (dense)
Firm to stiff clay
11–32	21	25 (z = 3 m CD) 25 + 16z (3 m CD > z > −15 m CD) 150 (z < −15 m CD)	26–27	0–2 (max)	19 (z = 3 m CD) 19 + 12z (3 m CD > z > −15 m CD) 113 (z < −15 m CD)	16 (z = 3 m CD) 16 + 10z (3 m CD > z > −15 m CD) 94 (z <−15 m CD)	—	0.25	0.5
Softened extremely weak mudstone on the passive side only, for 0.9 m below over-excavation level
	24	260z₁	24	23z₁	195z₁	163z₁	0.52z₁	0.25	0.5
Extremely weak mudstone (characteristic)
	24	375	24	26	281	234	0.75	0.20	1.0
Very weak to weak mudstone (lower bound) Grade II
	24	1000	38	25	500	400	2.00	0.20	0.5
Very weak to weak mudstone (characteristic) Grade I–II
	24	5000	45	28	10400	8300	10.00	0.20	1.0
Berm
	20	—	35	0	—	20	—	0.30	0.4

N_SPT	γ: kN/m³	c_u: kPa	φ’: degrees	c’: kPa	E_u: MPa	E’: MPa	UCS^a: MPa	ν’	k₀
Granular Made Ground
5–50	18	—	28 (loose) 41 (dense)	0	—	10 (loose) 30 (dense)	—	0.30	0.50 (loose) 0.34 (dense)
Firm to stiff clay
11–32	21	25 (z = 3 m CD) 25 + 16z (3 m CD > z > −15 m CD) 150 (z < −15 m CD)	26–27	0–2 (max)	19 (z = 3 m CD) 19 + 12z (3 m CD > z > −15 m CD) 113 (z < −15 m CD)	16 (z = 3 m CD) 16 + 10z (3 m CD > z > −15 m CD) 94 (z <−15 m CD)	—	0.25	0.5
Softened extremely weak mudstone on the passive side only, for 0.9 m below over-excavation level
	24	260z₁	24	23z₁	195z₁	163z₁	0.52z₁	0.25	0.5
Extremely weak mudstone (characteristic)
	24	375	24	26	281	234	0.75	0.20	1.0
Very weak to weak mudstone (lower bound) Grade II
	24	1000	38	25	500	400	2.00	0.20	0.5
Very weak to weak mudstone (characteristic) Grade I–II
	24	5000	45	28	10400	8300	10.00	0.20	1.0
Berm
	20	—	35	0	—	20	—	0.30	0.4

^aUCS = uniaxial confining strength of soil