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EN 1995-1-1 (EC5)

Check for bending and compression

The design bending strength of timber is given by:

where:

fm, k

-

characteristic bending strength of timber

kmod

-

modification factor for the duration of load and moisture content

γM

-

partial factor for material properties

The design compressive strength of timber is given by:

where:

fc, k

-

characteristic compressive strength of timber

kmod

-

modification factor for the duration of load and moisture content

γM

-

partial factor for material properties

The bearing capacity is checked according to:

where:

σc,0,d

-

design compressive stress

σm,d

-

design bending stress

The value of utilization is provided by:

Check for bending and tension

The design tensile strength of timber is given by:

where:

ft, k

-

characteristic tensile strength of timber

kmod

-

modification factor for duration of load and moisture content

γM

-

partial factor for material properties

The bearing capacity is checked according to:

where:

σt,0,d

-

design tensile stress

σm,d

-

design bending stress

The value of utilization is provided by:

Check for shear

The design shear strength of timber is given by:

where:

fv, k

-

characteristic shear strength of timber

kmod

-

modification factor for the duration of load and moisture content

γM

-

partial factor for material properties

The bearing capacity is checked according to:

where:

τd

-

design shear stress

kcr

-

modification factor for shear resistance

The value of utilization is provided by:

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