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Edst;d
|
Eurocode 7 design value of effect of destabilising actions
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Estb;d
|
Eurocode 7 design value of effect of stabilising actions
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EM
|
Pressuremeter modulus
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Em
|
Eurocode 7 design value of modulus of elasticity
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Er
|
SPT energy ratio
|
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F
|
Factor of safety
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Fb
|
Factor of safety on pile base resistance
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Fc;d
|
Eurocode 7 design axial compression load on a pile
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Fd
|
Eurocode 7 design value of an action
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Frep
|
Eurocode 7 representative value of an action
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Fs
|
Factor of safety on pile shaft resistance
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G; G'
|
Shear modulus; effective shear modulus
|
|
Gk; Gd
|
Eurocode 7 (2nd G) characteristic permanent action; design permanent action
|
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Gdst;d
|
Eurocode 7 design value of destabilising permanent vertical action (uplift)
|
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Gs
|
Particle specific gravity
|
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Gstb;d
|
Eurocode 7 design value of stabilising permanent vertical action (uplift)
|
|
|
Eurocode 7 design value of stabilising permanent vertical action (heave)
|
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Gwk
|
Eurocode 7 (2nd G) characteristic value of Gw
|
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Gw,rep
|
Eurocode 7 (2nd G) representative value of Gw
|
|
Gwk;inf
|
Eurocode 7 (2nd G) inferior (lower) characteristic value of Gw
|
|
Gwk;sup
|
Eurocode 7 (2nd G) superior (upper) characteristic value of Gw
|
|
H
|
Thickness, height, horizontal load
|
|
I
|
Index, moment of inertia
|
|
ID
|
Density index
|
|
IL
|
Liquidity index
|
|
IP
|
Plasticity index, immediate settlement coefficient
|
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Iσ
|
Vertical stress influence factor
|
|
K
|
Boussinesq Influence factor, ratio of σ3/σ1, bulk/volumetric modulus
|
|
K'
|
Effective bulk/volumetric modulus
|
|
Ka
|
Coefficient of active earth pressure
|
|
KF
|
Eurocode 7 (2nd G) action consequence factor
|
|
KM
|
Eurocode 7 (2nd G) material consequence factor
|
|
K0
|
Coefficient of earth pressure at rest
|
|
Kp
|
Coefficient of passive earth pressure
|
|
|
Effective plane strain bulk/volumetric modulus
|
|
Ks
|
Pile constant
|
|
L
|
Length
|
|
L'
|
Effective foundation length
|
|
M
|
Moment, slope projection of critical state line, mass, mobilisation factor
|
|
Ms
|
Mass of solids
|
|
Mw
|
Mass of water
|
|
N
|
Number, stability number, uncorrected blow count in SPT
|
|
N60
|
Number of blows from the SPT corrected to energy losses
|
|
(N1)60
|
Number of blows from the SPT corrected to energy losses, rod length and normalised for effective vertical overburden stress
|
|
Nc, Nq, Nγ
|
Bearing capacity coefficients
|
|
Np
|
Immediate settlement coefficient
|
|
P
|
Force
|
|
Pa
|
Thrust due to active earth pressure
|
|
Pp
|
Thrust due to passive earth pressure
|
|
Pw
|
Thrust due to water or seepage forces
|
|
Q
|
Total quantity of flow in time t, applied surface line load
|
|
Qb
|
Ultimate soil strength at pile base
|
|
Qk; Qd
|
Eurocode 7 (2nd G) characteristic variable action; design variable action
|
|
Qs
|
Ultimate soil strength around pile shaft
|
|
Qu
|
Ultimate load carrying capacity of pile
|
|
R
|
Radius, reaction
|
|
Rb;cal
|
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