TAILIEUCHUNG - Load-carrying capacity of mitered furniture corner joints with dovetail keys under diagonal tension load

The goal of this study was to introduce a method for estimating stress analysis as an efficient procedure for evaluating the strength of mitered corner joints in furniture structures. | Research Article Turk J Agric For 36 (2012) 636-643 © TÜBİTAK doi: Load-carrying capacity of mitered furniture corner joints with dovetail keys under diagonal tension load Sadegh MALEKI, Mohammad DERIKVAND*, Mosayeb DALVAND, Ghanbar EBRAHIMI Department of Wood and Paper Science and Technology, College of Natural Resources, University of Tehran, 31587 - 77878 Karaj - IRAN Received: ● Accepted: Abstract: The goal of this study was to introduce a method for estimating stress analysis as an efficient procedure for evaluating the strength of mitered corner joints in furniture structures. Tests were carried out to determine the effects of panel type, distance between the centers of dovetail holes and the edges of joints (10, 20, and 30 mm), and type of dovetail key on the load-carrying capacity of mitered corner joints under a diagonal tension load. Specimens were constructed of overlaid medium-density fiberboard (LamMDF) and particleboard (LamPb) and connected with butterfly and H-shaped dovetail keys. Polyvinyl acetate adhesive was used to assemble the joints. Specimens were tested under diagonal tension loads and the corresponding combined stress analysis was conducted using the following formulas: Total stress at the outer edge, = - (vb + va) = -8 Total stress at the inner edge, vb - va = 3PL Pcos45 B 2 + 2bt tb 3PL P cos 45 2 2bt tb where σb is bending stress, σa is axial stress, P is axial failure load, L is half of the span length, and t and b are the thickness and width of the joint members. Test results showed that corner joints constructed of LamMDF were 13% stronger than joints constructed of LamPb. For the specimens constructed of both panel types, a 10-mm distance between the dovetail holes and the edges of joints gave better results than distances of 20 and 30 mm. No significant differences were observed between the 2 types of dovetail keys. Total compression stresses at the outer edge were 2 times greater

• Kiến trúc - Xây dựng
• Combined stress
• Dovetail keys
• Mitered joint
• Furniture structures
• Medium density fiberboard
• Polyvinyl acetate
• Heat stress
• Canopy temperature
• Variation in NDVI
• Individual heat
• Combined heat drought stresses in wheat
• High temperature
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• High temperature stress during germination stage
• Germination stage of different wheat
• BMC Genomics
• RNA Seq
• Salt stress
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• Water deficit
• BMC Plant Biology
• Solanum lycopersicum L
• Functional analysis
• Combined abiotic stress
• Combined overexpression
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• Enhanced seed longevity
• Heat Shock Factors
• Severe dehydration
• Stress tolerance
• Physiological response
• RNA sequencing
• Abscisic acid
• Plant Biology
• Elevated CO2 concentration
• Combined heat and drought
• Plant physiology
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• Vitis vinifera
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• Analysis of stress
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• tài liệu báo cáo khoa học
• báo cáo y học
• nghiên cứu y học
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• Quercus ilex L
• Ecological and social service
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• Bioinformatics analysis
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• MicroRNAs (miRNAs)
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• Regional anesthesia
• Combined spinal epidural
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• Stress transformation
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• Centella asiatica
• Oxidative stress
• Reactive oxygen species
• Human dermal fibroblasts