Research Article

Rotational Restraint to Purlins Provided by Standing Seam Roof Systems

Figure 8

Correlation between the rotational restrain rigidity Ktor and factors: (a) between Ktor and Stb, (b) between Ktor and Drf, (c) between Ktor and trf, and (d) between Ktor and tst.
(a)
(b)
(c)
(d)