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description Journal article public Jurnal Teknik Sipil ITB

Nilai Kekuatan Tumpu Baut Pada Empat Jenis Kayu Rakyat Indonesia

Sucahyo Sadiyo, Dwi Susanto, Nanda Elsa Sara Pratiwi
Diterbitkan 2017

Abstrak

The fasteners bearing strength is one of the properties that affect reference design value (Z) on dowel-type connections. In Indonesia, the value of bolt bearing strength can be determined in theory by SNI 7973 which adopt NDS standard. This study was conducted to determine the bolt bearing strength by using three bolts diameter (1/2 in, 5/8 in and 3/4 in) and four Indonesian woods community species which are sengon (Paraserianthes falcataria), jabon (Anthocephalus cadamba), manii (Maesopsis eminii) and nangka (Artocarpus heterophyllus) compared with SNI 7973. The results showed that bolt bearing strength can be affected by density and specific gravity. Moreover, the compression strength parallel to grain can be used as a parameter to predict bolt bearing strength. The higher compression strength parallel to grain, the higher bolt bearing strength will be. The bolt bearing strength based on wood species were sengon 161 kg/cm2, jabon 151 kg/cm2, manii 243 kg/cm2 and nangka 392 kg/cm2 respectively. Bolt with 1/2 in diameter has the highest bolt bearing strength except for jabon wood. The difference of bolt bearing strength on sengon and jabon versus SNI 7973 was differ significantly by 16-27% while the bolt bearing strength on manii and nangka was not differ significantly by 2-3%.

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