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Publication: Forest Products Journal
Authors: Zhang Jilei|Han Ninglong|Maupin Mark
Reference ID: 56(2):33-39
Publish Year: 2006
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Title: Lateral edge resistance of single-fastener furniture joints in wood-based panel products
Description:
Effects of material type, fastener type, and fastener penetration depth on lateral edge resistance of T-shaped, face-to-edge single-fastener joints were investigated. Common fasteners in the construction of upholstered furniture, including dowels, screws, and staples, were evaluated in combination with pine plywood, oriented strandboard, and particleboard. Test results indicated that joints connected with a single staple showed significantly lower lateral edge resistance than dowel and screw joints. Resistance differences between dowel and screw joints were affected by material type and fastener penetration depth. Lateral edge resistances of staple and screw joints were more sensitive to internal bond strength than dowel joints. The lateral edge resistance of screw-connected joints is more sensitive to penetration depth changes than staple- or dowel-connected joints. Joint failure modes tend to show that the internal bond strength of materials governs the lateral edge resistance of single-fastener joints in wood composites. Deeper penetration depth positively affects lateral edge resistance, but the significance is influenced by material type and fastener type. Regression analyses confirm that material internal bond strength affects the lateral resistance of single-fastener joints the most and that the lateral resistance of single-fastener joints shows a non-linear relationship to fastener penetration depth. The lateral resistance could be estimated by means of a power equation that includes material internal bond strength and penetration depth.
Effects of material type, fastener type, and fastener penetration depth on lateral edge resistance of T-shaped, face-to-edge single-fastener joints were investigated. Common fasteners in the construction of upholstered furniture, including dowels, screws, and staples, were evaluated in combination with pine plywood, oriented strandboard, and particleboard. Test results indicated that joints connected with a single staple showed significantly lower lateral edge resistance than dowel and screw joints. Resistance differences between dowel and screw joints were affected by material type and fastener penetration depth. Lateral edge resistances of staple and screw joints were more sensitive to internal bond strength than dowel joints. The lateral edge resistance of screw-connected joints is more sensitive to penetration depth changes than staple- or dowel-connected joints. Joint failure modes tend to show that the internal bond strength of materials governs the lateral edge resistance of single-fastener joints in wood composites. Deeper penetration depth positively affects lateral edge resistance, but the significance is influenced by material type and fastener type. Regression analyses confirm that material internal bond strength affects the lateral resistance of single-fastener joints the most and that the lateral resistance of single-fastener joints shows a non-linear relationship to fastener penetration depth. The lateral resistance could be estimated by means of a power equation that includes material internal bond strength and penetration depth.
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