This paper evaluates the performance of momentresisting bolted timber connections with self-tapping wood screws acting as perpendicular-to-grain reinforcement. Considering an unreinforced joist-tocolumn connection with slotted-in steel plates as baseline, an increase in capacity by a factor of 1 . 7 was observed when the connections were reinforced with self-tapping screws under reverse cyclic loading. This was further increased by 22 . 5% when the bolt diameter in the reinforced connection was increased from 19 . 0 to 25 . 4 mm. Reducing the edge distances of the bolts in the reinforced connection provided addition gain in capacity of 35 . 3% to a total capacity increase by a factor of 2 . 9 when compared to the unreinforced connections while maintaining very ductile behaviour. The results show that it is feasible to create ductile and high-capacity moment-resisting bolted timber connections with selftapping wood screws as reinforcements.
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