Flexural behaviour of timber dovetail mortise–tenon joints

Chen, Chunchao; Qiu, Hongxing; Lu, Yong

doi:10.1016/j.conbuildmat.2016.02.074

Cited by 101 publications

(27 citation statements)

References 10 publications

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“…e evaluation of the ultimate deformation capacity of wooden structures requires the use of test results. Although some test results have been reported in the literature [22][23][24], Yingxian Wood Pagoda requires the use of transplantation analysis of the results. ese areas will be studied in future repair research work.…”

Section: Repair Discussionmentioning

confidence: 99%

Analysis of the Residual Deformation of Yingxian Wood Pagoda

Meng

Yang

et al. 2020

Advances in Civil Engineering

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Cumulative damage and residual deformation of structural components of Yingxian Wood Pagoda over its existence have caused widespread concern. Because Yingxian Wood Pagoda is a very complex ancient wooden structure, previous studies on single-storey and multistorey ancient structures are not very applicable. In this study, the deformation to the pagoda at the components, storey, and overall structure levels was monitored considering residual deformation, component cracking, and component connection conditions. The effects of different factors were preliminarily identified, including the structural weight, external impacts such as earthquakes and artillery shells, differences in moisture content according to sunlight exposure, and the prevailing wind direction. The study findings are useful in diagnosing the health and causes of deformation of unique buildings such as this in order to develop effective repair and restoration measures.

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Section: Repair Discussionmentioning

confidence: 99%

Analysis of the Residual Deformation of Yingxian Wood Pagoda

Meng

Yang

et al. 2020

Advances in Civil Engineering

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“…'Hard contact' and 'penalty' were introduced in the interaction between the tenon and the mortise and between friction plates normally and tangentially, respectively. The friction coefficient, ranging from 0.1 to 0.6 based on the previous study, 28,31 was finally adopted as 0.4. However, in order to further study the effect of the friction coefficients of the friction plates on the hysteretic behavior of the reinforced STJs, the friction coefficients of 0.1, 0.2, 0.3, 0.4, 0.5, and 0.6 were employed, respectively.…”

Section: Description Of the Modelmentioning

confidence: 99%

Experimental and numerical analysis on seismic performance of straight‐tenon joints reinforced with friction damper

Xue

Zhang

et al. 2020

Struct Control Health Monit

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Summary A comprehensive study has been carried out on the seismic behavior of straight‐tenon joints (STJs) reinforced with the state‐to‐art friction damper. Quasi‐static cyclic tests were conducted on three reinforced test specimens and one contrast joint, and friction coefficients were selected as the variables. The failure modes and the cyclic behaviors of both STJs and fiction plates were obtained. Numerical simulation was conducted to investigate the plastic deformation and stress distribution of the STJs, and a parametric study on the friction coefficient was also performed. Results show that the main failure modes of the reinforced STJs include the pressing dents on the column, the tenon extraction, and the surface of friction plate being smoothed. Increasing the friction coefficients of the friction plates helps to reduce the extraction of the tenon and promote the stiffness, bending moment, and energy dissipation capacities of the reinforced STJs. Furthermore, 0.4 is considered as the optimal friction coefficient in terms of the cyclic behavior and energy dissipation of reinforced STJs. Additionally, the composition of energy dissipation of friction plates first decreases and then slightly increases as far as the rotation increases. Numerical simulation agrees well with the experimental results, and the parametric study shows that for the reinforced STJ with a higher friction coefficient, higher yielding moments and ultimate moments can be obtained, but the friction coefficients have little effect on the ductility.

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“…e influence of the P-Δ effect on the behavior of timber frames connected by dovetailed (ITSD) mortise and tenon joints was discussed in detail by Li et al [13]. Chen et al [25] proposed a simplified mechanics model for the relationship between moment and rotation in dovetailed mortise-tenon joints. e failure modes were studied under monotonic loading, and numerical simulations were performed to confirm the observed deformation and stress distribution.…”

Section: Introductionmentioning

confidence: 99%

Seismic Performance of Damaged Dovetail Joints with Different Damaged Degrees in Timber Frames

Luan

et al. 2019

Advances in Civil Engineering

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The mortise and tenon joints are the main connection forms used in ancient timber buildings, and damaged joints have a critical effect on the safety of a timber structure. There are three main damaged cases of dovetail joints which are pulling, contraction, and mixing damages. In this study, using a theoretical analysis of the stress distribution in a mortise and tenon joint resulted from the pullout damage, a theoretical equation for the resisting moment of the joint was proposed. A finite element model was used to simulate the cyclic displacement loading of a frame with intact joints and with different levels of pulling and contraction damaged joints. The results show that the moment capacities both for the test and the simulation were in good agreement with each other. The simulation results also indicated that there are no changes in the capacity and energy dissipation of the pulling damaged joint compared to that of the intact joint, and good seismic performance still was provided when the pulling damage was less than 2/5 of the joint length. However, the capacity of the contraction damaged joint was significantly reduced, and its seismic performance was tolerably lost. The seismic performance of a mixing damaged tenon with the same degree of pulling damage was between that of the pulling damaged tenon and the contraction damaged tenon, and generally, it was controlled by the contraction damage. The friction between the tenon and the mortise is the main source of resisting moment and energy dissipation ability.

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Flexural behaviour of timber dovetail mortise–tenon joints

Cited by 101 publications

References 10 publications

Analysis of the Residual Deformation of Yingxian Wood Pagoda

Analysis of the Residual Deformation of Yingxian Wood Pagoda

Experimental and numerical analysis on seismic performance of straight‐tenon joints reinforced with friction damper

Seismic Performance of Damaged Dovetail Joints with Different Damaged Degrees in Timber Frames

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