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Mechanical Behaviour of Plastics 75
(f) - Solid circular section
(8) - Thin wall tube (D = 10h)
(h) - Thick wall tube (D = 4h)
(i) - T-section (B = 8h)
Fig. 2.25 illustrates the various cross-sections and Fig. 2.26 compares their
flexural stiffnesses. An important conclusion from this is that ‘T’ sections (or
B=4D
B=2D
B=D
(4 1 B = 2D and B = 10h
Fig. 2.25 Various cross-sections
