Strength properties of single pin dowel joint on oil palm lumber / Sheikh Muhammad Shauqi Kamal Sheikh Osman

T-shape joints are widely used in furniture part installation. It's commonly
applied in chair or desk for its rail or stretcher. The strength of structural part in
furniture depends on how strong the joints can absorb the impact or can hold
the load for a period of time. To identify the performance of joints it's necessary
to study the potential of joints with a specified strength to enhance the weakest
joint system. The objective of this research was to study the performance of
joints by using three different diameter sizes (6mm), (8mm), (10mm) and
adhesive, Poly Vinyl Acetate (PVAc) and Epoxy. This is to determine either the
three size diameter of dowel with different glue, PVAc and Epoxy can give
significant effect the (OPT), if these sizes and glue used are significant, it will
save the furniture production in terms of is cost. The testing result was analyzed
using SPSS. The result analyzed using ANOVA through Duncan's Multiple
Range Test (DMRT). The results shows that for both adhesive no significant
value for two testing. It was determined when P-value is > 0.05. According to
ANOVA, bending test Glue, recorded their P-value are P=0.167 for Maximum
Load (2.026) for the tensile P-value are P=0.137 for Maximum load (2.368). For
Dowel sizes bending test P-value are P=0.007 for Maximum Load (6.193),
P=0.009 for Tensile at Break and Maximum Load (5.851). Based on this result,
all dowel size has highly significant strength for all testing compare with
adhesive used PVAc and Epoxy not significant, from that used of PVAc on Tshape
joint is better because PVAc low price compare to the Epoxy