Bending Moment Capacities of L-Shaped Mortise and Tenon Joints under Compression and Tension Loadings

Kasal, Ali; Eckelman, C. A.; Haviarová, Eva; Erdil, Yusuf Ziya; Yalçın, İbrahim

doi:10.15376/biores.10.4.7009-7020

Cited by 26 publications

(31 citation statements)

References 3 publications

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“…The second direction deals with furniture design and construction using numerical and analytical methods. The finite element method (FEM) used to estimate or determine the load capacity of individual joint dimensions is the most often used method [73][74][75][76][77][78].…”

Section: Introductionmentioning

confidence: 99%

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Langová

Réh

Igaz

et al. 2019

Forests

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The research on population shows that the count of overweight people has been constantly growing. Therefore, designing and modifying utility items, e.g., furniture should be brought into focus. Indeed, furniture function and safety is associated with the weight of a user. Current processes and standards dealing with the design of seating furniture do not meet the requirements of overweight users. The research is aimed at designing flexible chairs consisting of lamellae using the finite element method (FEM). Three types of glued lamellae based on wood with different number of layers and thickness were made and subsequently, their mechanical properties were tested. Values for modulus of elasticity and modulus of rupture were used to determine stress and deformation applying the FEM method for modelling flexible chairs. In this research, the methodology for evaluating the ultimate state of flexible chairs used to analyse deformation and stability was defined. The analysis confirms that several designed constructions meet the requirements of actual standards (valid for the weight of a user up to 110 kg) but fail to meet the requirements for weight gain of a population.

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Section: Introductionmentioning

confidence: 99%

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Langová

Réh

Igaz

et al. 2019

Forests

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“…Furthermore, an empirically derived expression was developed to predict the average ultimate bending moment capacity of round-end mortise and tenon joints. In a similar study, an empirically derived expression was developed to estimate the average ultimate bending moment capacity of L-shaped round-end mortise and tenon joints under compression and tension loads as a function of wood species, adhesive type, and tenon size (Kasal et al 2015a).…”

Section: Introductionmentioning

confidence: 99%

Numerical Analyses of Various Sizes of Mortise and Tenon Furniture Joints

Kasal¹,

Smardzewski²,

Kuşkun³

et al. 2016

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This study reports the moment resistance, stiffness, and numerical analysis of various sizes of round-end mortise and tenon joints. L-shaped and T-shaped specimens were constructed. Joints were manufactured using three tenon widths and three tenon lengths with 10 replications for each combination. Specimens were constructed of Turkish beech, and the joints were assembled with polyvinylacetate (PVAc) adhesive. Bending tests were carried out in compliance with accepted test methods. Numerical analyses were performed with finite element method (FEM) software. At the end of the study, the joints became stronger and stiffer as either tenon width or length increased. Tenon length had a more significant effect on moment resistance, while tenon width had a more significant effect on stiffness. Ultimate moment resistances were obtained with Lshaped joint construction of 50 × 50 mm tenons and T-shaped joint construction of 40 × 50 mm tenons. Strength of a chair could be increased by considering these results in engineering design process. Results showed that the numerical analyses gave reasonable estimates of mechanical behavior of joints. Analytical calculations and numerical simulations confirmed that the maximum stress in the glue line was concentrated at the edge and corners, and that the modeled joints had a shape-adhesive nature.

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“…Tenon size (width and length) affects the bending moment capacity [2] and stiffness of joint [3]. The joint properties are most affected by tenon length [4]. The highest stiffness/strength values were estimated in mortise and tenon joints, whereas dowel joints showed the lowest stiffness/strength and deformability [5].…”

Section: Introductionmentioning

confidence: 99%

Stress and Strain of the Frontal Parallel Joints with 3D Printed Connectors

Hajdarevic¹,

Obućina²,

Mešić³

et al. 2018

Proceedings of the 29th International DAAAM Symposium 2018

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In this paper, the stress and strain analysis of the frontal parallel joints with two different 3D printed connectors is performed. The connectors were made of PLA material and were bonded to wooden parts (spruce) with a one component polyurethane adhesive. The test was carried out to determine mechanical properties of the joints at the point of failure and proportional limit. Analytical calculations were used to determine: the effective modulus of elasticity of the joints, the normal stress of joint parts and the deflections at two directions. Numerical stress and strain analyses were performed with finite method software. The results show that the ratio between the effective modulus of elasticity of joint and the modulus of elasticity of spruce wood is 0,71 for connector without inner wall and 0,61 for connector with inner wall. The ratio between the appropriate values of the stress and deflection at the point of failure for connector with and without inner wall is approximately 0,80 and also between the appropriate values of the stress and deflection at the point of proportional limit is 0,90. The results also indicate that the analytical and numerical calculations gave reasonable estimates of mechanical behaviour of the joints.

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Bending Moment Capacities of L-Shaped Mortise and Tenon Joints under Compression and Tension Loadings

Cited by 26 publications

References 3 publications

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Construction of Wood-Based Lamella for Increased Load on Seating Furniture

Numerical Analyses of Various Sizes of Mortise and Tenon Furniture Joints

Stress and Strain of the Frontal Parallel Joints with 3D Printed Connectors

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