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Withdrawal Capacity of Joints Constructed with 9.5-mm and 15.9-mm Through-Bolts and Diameter Nominal 15-mm and 25-mm Pipe-Nut Connectors

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Tests were conducted to determine the withdrawal capacities of 10-mm (nominal ⅜-in.) and 15.9-mm (nominal ⅝-in.) through-bolts with Diameter Nominal (DN) 15-mm (nominal ½-in.) and DN 25-mm (nominal 1-in.) pipe-nut connectors intended for use in light-timber frame construction. The capacity of unreinforced 15.9-mm through-bolts with DN 25-mm pipe-nut connectors was approximately 31.1 kN; the capacity of comparable reinforced connectors was approximately 71.2 kN. Likewise, the withdrawal capacity of smaller unreinforced 10-mm through-bolts with DN 15-mm pipe-nut connectors was approximately 13.3 kN; comparable reinforced connectors had a capacity of 17.8 kN. Similar 10-mm through-bolts with DN 10-mm pipe couplings had a capacity of 26.7 kN. Overall, results indicate that high-capacity joints can be constructed with through-bolt and pipe-nut connectors.
Title: Withdrawal Capacity of Joints Constructed with 9.5-mm and 15.9-mm Through-Bolts and Diameter Nominal 15-mm and 25-mm Pipe-Nut Connectors
Description:
Tests were conducted to determine the withdrawal capacities of 10-mm (nominal ⅜-in.
) and 15.
9-mm (nominal ⅝-in.
) through-bolts with Diameter Nominal (DN) 15-mm (nominal ½-in.
) and DN 25-mm (nominal 1-in.
) pipe-nut connectors intended for use in light-timber frame construction.
The capacity of unreinforced 15.
9-mm through-bolts with DN 25-mm pipe-nut connectors was approximately 31.
1 kN; the capacity of comparable reinforced connectors was approximately 71.
2 kN.
Likewise, the withdrawal capacity of smaller unreinforced 10-mm through-bolts with DN 15-mm pipe-nut connectors was approximately 13.
3 kN; comparable reinforced connectors had a capacity of 17.
8 kN.
Similar 10-mm through-bolts with DN 10-mm pipe couplings had a capacity of 26.
7 kN.
Overall, results indicate that high-capacity joints can be constructed with through-bolt and pipe-nut connectors.

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