Calculation of structural bearing capacity according to Eurocodes with Norwegian national annexes

Centrum pile element
Centrum pile dimension, b 235mm
Centrum pile type Type 4
Centrum pile joint type CPG-K2
Centrum rock point CP-RP 235-25
Nominal cover, c / production tolerance 25 / 10 mm
Concrete recipe S1 - Standard
Design lifetime 50 years
Exposure classes of pile element XC1, XA1, XF1








Calculation conditions
Influence of pile installation and reduction factors
Factor for compression capacity, fa =
0,75
Factor for tension capacity, fa =
1,00
Factor for moment capacity, fa =
0,90
   
Eccentricity on rock point
Øtip/10
Factor for capacity of rock point, fa =
1,00
Ultimate limit state, ULS
Calculate MRd at normal force, N =
0 kN
   
Serviceability limit state, SLS
Factor for cover outside min. requirement, kc
1,30
Permitted crack width, wmax
0,3·kc =
0,39
Calculate MRd at normal force, N =
0 kN


Calculation results ULS
Compression resistance
Pile section
Nc,Rd,pile
= kN
Pile joint section
Nc,Rd,pilejoint
= kN
RockPoint*
Nc,Rd,rockpoint
= kN
Pile element
Nc,Rd
= kN
RockPointWarning
Tension resistance
Pile section
Nt,Rd,pile
= kN
Pile joint section
Nt,Rd,pilejoint
= kN
Pile element
Nt,Rd
= kN
Moment capacity at N = 0
Pile section
MRd,pile
= kNm
Pile joint section
MRd,pilejoint
= kNm
Pile element
MRd
= kNm
Installed capacities of pile element
Xi
= XRd · fa
Compression, pile and pile joint, fa = 0
Nc,i
= kN
Compression, rock point, fa = 0
Nc,RP,i
= kN
Tension, fa = 0
Nt,i
= kN
Moment at N = 0, fa = 0
Mi
= kNm


Calculation results SLS
Compression resistance
Pile section
Nc,Rd,pile
= kN
Pile joint section
Nc,Rd,pilejoint
= kN
RockPoint*
Nc,Rd,rockpoint
= kN
Pile element
Nc,Rd
= kN
RockPointWarning
Tension resistance
Pile section
Nt,Rd,pile
= kN
Pile joint section
Nt,Rd,pilejoint
= kN
Pile element
Nt,Rd
= kN
Moment capacity at N = 0
Pile section
MRd,pile
= kNm
Pile joint section
MRd,pilejoint
= kNm
Pile element
MRd
= kNm
Installed capacities of pile element
Xi
= XRd · fa
Compression, pile and pile joint, fa = 0
Nc,i
= kN
Compression, rock point, fa = 0
Nc,RP,i
= kN
Tension, fa = 0
Nt,i
= kN
Moment at N = 0, fa = 0
Mi
= kNm


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The static structural bearing capacity of a selected pile element in selected calculation conditions is calculated. Be aware that important pile analyses, such as driveability and geotechnical bearing capacity, are not taken into account. These must be considered separately.