10.5 Reinforcement Section

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A section starting with *BEAM REINF defines the geometry of reinforcement layers. It is used in connection with a beam section.

The section keyword *BEAM REINF has as option

*NAME=<name>

specifies a unique name which basically may be freely chosen



The following data lines describe a reinforcement layer with the following geometric properties

$A_ s$,

$z_ s$,

$\varrho _{eff}$,

$\beta _ t$


with

$A_ s$

cross section area

$z_ s$

height coordinate with respect to the reference line ($z_ s<0$ downward, $z_ s>0$ upward)

 

(reference line goes through the cross section center in case of *SECTION=RECT)

$\varrho _{eff}$

effective reinforcement ratio (used only for tension stiffening)

$\beta _ t$

bond parameter ($\beta =0$: no tension stiffening)



The reinforcement material properties are defined with the material type *RCBEAM. Further data lines may follow for further reinforcement layers if required. The number of reinforcement layers is not restricted.

The section keyword *BEAM REINF has no own keywords.

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