
D1-1 A typical built-up joint of a truss.

D1-2 The equilibrium of forces between each shear plane

D1-3 Combination of members for the determination of the load-carrying
capacity.

D2-1 Effect of eccentric connections.

D4-1 Replacement of inefficient segments of original members with epoxy.
(a) Beam end replacement,
(b) original timber,
(c) steel or fibre glass rods.

D4-2 Replacement of inefficient segments of original members by means of traditional joints; left, top to bottom:
right, top to bottom: