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rapt said:The code says Temperature effects should be considered. So designers can include them in the calculations for cracking etc if they want to. Simplified code rules can never allow for something like this. The effect would normally only be on roof slabs.
AS 3600 said:8.5.2 Beam deflection by refined calculation
The calculation of the deflection of a beam by refined calculation shall make allowance for
the following:
(a) Cracking and tension stiffening.
(b) Shrinkage and creep properties of the concrete.
(c) Expected load history.
(d) Expected construction procedure.
(e) Deflection of formwork or settlement of props during construction, particularly when
the beam formwork is supported on suspended floors or beams below.