Slide 1 1 Presentation 20: UNIT TRIANGLE AND RAFTER THEORY Slide 2 2 Unit Triangle Unit Triangle is found on the floor plans. It may be in many shapes. Slide 3 3 Unit Triangle…
20 Torsion of non-circular sections 20.1 Introduction The torsional theory of circular sections (Chapter 16) cannot be applied to the torsion of non- circular sections, as…