Finnforest UK


DESIGN VALUES

FINNJOIST (FJI)
LONG TERM DESIGN VALUES TO BS5268, SERVICE CLASS 1


Notes:
1.     The design values presented are for Service Class 1.
        Typical Service Class 1 applications are intermediate
        floors in heated dwellings and commercial buildings.
        For other applications, please contact Finnforest
        Technical Support (01205 883 835).

2.     The design values are for use with BS5268 and are
        applicable to long term load duration.  Design values
        are according to BM TRADA Q-mark approval
        schedule no: 36/003.
3.     Standard Single Span Deflection calculations are to
        include shear deflection, i.e.

       

4.      Minimum end bearing length should be taken as
         45mm.

5.      Minimum interior bearing length should be taken as
         89mm.

6.      For full moment capacity the compression flange
         must be restrained at 300mm centres.  For
         alternative restraint centres please contact Techncial
         Support.

7.      Please contact Technical Support for Service Class 2

8.      NS = No Web Stiffener at support.
         S = Web Stiffener at support.