Dynamic and static comparison of Dovetail, Tongue and Groove joints made using Fir Wood

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Mollahassani A.; HEMMASI A.H.; KHADEMI ESLAM H.; LASHGARI A.; BAZYAR B.

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Journal Paper

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Journal: Iranian Journal of Wood and Paper Science Research Year:2020 | Volume:35 | Issue:1 (70) Page(s): 33-45

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Title

Dynamic and static comparison of Dovetail, Tongue and Groove joints made using Fir Wood

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Keywords

Dovetail jointQ1

tongue and groove jointQ1

static assessmentQ1

dynamic assessmentQ1

modulus of elasticityQ2

Abstract

Dynamic and static elastic properties of wood joints were assessed. Conventional joints, namely dovetail, tongue and groove were prepared with Fir (Abies alba) using polyvinyl acetate and cyanoacrylate adhesives. Dimensions of research samples were determined 24×50×360 (mm) according to international standard (ISO No. 3129), and the results indicate that the effects of joint type, adhesive type, joint size, and assessing the interaction of effective factors, the joint size × joint type was significant at the 5% level in dynamic and static tests. As the length of groove and height of dovetail increased in the joints, dynamic and static modulus of elasticity increased, and in terms of changes in modulus of elasticity in this research. The modulus of Dovetail joint elasticity, its homogeneous joint texture, and lack of an extended adhesive line, corresponded to that of the jointed samples. Application of cyanoacrylate adhesive led to higher modulus of elasticity, compared to samples glued with polyvinyl acetate adhesive. The results of the Student's t-test indicate that there exists a not significant difference between the mean of dynamic and the mean of static modulus of elasticity, not significance at 5% level and The Pearson correlation test indicate that the dynamic and static modulus of elasticity of the samples are significant at 5% level and are of positive correlation(+0. 958). With regard to the correlation of the results of dynamic and static tests, methods for non-destructive dynamic investigation may be regarded as appropriate alternatives to destructive static tests, in order to assess and classify woods.

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APA: Copy

Mollahassani, A., HEMMASI, A.H., KHADEMI ESLAM, H., LASHGARI, A., & BAZYAR, B.. (2020). Dynamic and static comparison of Dovetail, Tongue and Groove joints made using Fir Wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, 35(1 (70) ), 33-45. SID. https://sid.ir/paper/405270/en

Vancouver: Copy

Mollahassani A., HEMMASI A.H., KHADEMI ESLAM H., LASHGARI A., BAZYAR B.. Dynamic and static comparison of Dovetail, Tongue and Groove joints made using Fir Wood. IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH[Internet]. 2020;35(1 (70) ):33-45. Available from: https://sid.ir/paper/405270/en

IEEE: Copy

A. Mollahassani, A.H. HEMMASI, H. KHADEMI ESLAM, A. LASHGARI, and B. BAZYAR, “Dynamic and static comparison of Dovetail, Tongue and Groove joints made using Fir Wood,” IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH, vol. 35, no. 1 (70) , pp. 33–45, 2020, [Online]. Available: https://sid.ir/paper/405270/en

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