Labels:bannister | crescent | isosceles triangle | obtuse triangle | road | sky | stairs OCR: Rafter Ties After the rafters have been reinforced to prevent deflection, attention must be shifted to the design aspect of load transfer. The easiest understand this concept is to picture simple triangle and realize that the fpp chords are rafters holding the weight of the roof and the bottom chord is the tie that keeps them from spreading apart desion
