Experimental investigation on the lateral structural performance of a traditional Chinese pre-Ming dynasty timber structure based on half-scale pseudo-static tests

Meng, Xianjie; Yang, Qingshan; Wei, Jianwei; Li, Tieying

doi:10.1016/j.engstruct.2018.04.077

Cited by 40 publications

(6 citation statements)

References 19 publications

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“…Research results indicate that the repeated uplifting and repositioning of timber columns cause the continuous swaying of WFs to the horizontal earthquake action. According to the quasi-static test of timber frames, [1][2][3] when the controlled displacement is unloaded, the strain of the column and Fang (beam) is all in an elastic state except for the joints and the edges of the column foot and head, but the deformation of the WFs cannot be completely restored. If wanting to restore the original shape of the WFs, only load it backward.…”

Section: Introductionmentioning

confidence: 99%

Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience

Chen,

Zhai,

Chen

et al. 2023

Structural Design Tall Build

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SummaryTraditional wooden structures are characterized by the presence of a column base that seems to be floated above the foundation stone. This study used pseudo‐static experiments to assess the seismic performance of flat pendulum floating resting columns, focusing on the decay and repair of the wood frame (WF). First, an artificial method was used to simulate fungal decay damage of column‐foot joints, and filling reinforcement was applied to the decayed column‐foot joints, and second, according to the design method in the Sung dynasty architecture, the Ying‐tsaofa‐shih (building standards). This study presents the findings of pseudo‐static tests that were conducted at Yangzhou University. Three 1:3.52 scaled specimen WFs with flat‐pendulum‐floating‐shelf (FPFS)‐typed (Ping‐bai‐fu‐ge) columns, i.e., non‐damaged WF (named after NT), considering the damaged WF (named after DF) and strengthening damaged WF (named after DR) with one‐way straight mortise‐tenon joints (OWSMT) joints were made and subjected to cyclic lateral loads during testing. The properties of the WFs with FPFS columns, such as the failure mode, hysteretic and envelope curves, strength and stiffness deterioration, and energy dissipation, have been studied. Finally, the effects of additional damage and reinforcement measures on the seismic performance of WFs are analyzed and compared with the finite element numerical simulation results. This research shows that damage to the column foot decreases the WF's seismic performance, although filler reinforcement may increase it. The foot and mortise joints are interconnected and interact in the wood frame's seismic stressing mechanism. Foot decay reduces the seismic performance of the foot joint, hence increasing the seismic energy dissipation activity of the mortise joints.

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Section: Introductionmentioning

confidence: 99%

Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience

Chen,

Zhai,

Chen

et al. 2023

Structural Design Tall Build

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“…erefore, extensive research has been conducted to reveal the seismic mechanism of the wood-framed building. Research findings have obtained the degradation laws of hysteretic behaviour, restoring the force model and collapsing process simulations of timber structures under dynamic loading [1][2][3]. e mortise-tenon joints are important energy-consuming components.…”

Section: Introductionmentioning

confidence: 99%

Seismic Behaviour of Straight‐Tenon Wood Frames with Column Foot Damage

Zao

Luo

et al. 2019

Advances in Civil Engineering

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Timber buildings might incur damages after a long service, because column foot damage affects the structural performance under the continued use. In this paper, six straight-tenon joint wood frame specimens were prepared with varying degrees of two different damage conditions at a scale of 1 : 3.52. To obtain failure mode and hysteresis performance of the specimens, the low-cycle reciprocating loading test was conducted. The stiffness degradation curves and equivalent viscous damping curves of the damaged wood frames were also analysed. The mechanical characteristics of the wood frames with column foot damage under the low-cycle reciprocating load were then simulated using the finite element method, and the results were compared to the test results. It is determined that as the degree of column foot damage increases, the fullness and peak of the hysteresis curves for wood frames, the equivalent viscous damping coefficients, and the overall seismic behaviour of the wood frame all gradually decrease. The skeleton curves obtained by finite element analysis and tests showed good agreement, verifying the influence of column foot damage on the seismic behaviour of ancient wood frame structures.

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“…It is complicated in structure and beautiful in appearance. Tou-Kung sets carries both vertical loads from the roof and horizontal loads caused by earthquake action or wind (Meng et al, 2018). It can resist the partial lateral loads by the friction force between Tou and Kung and directly transfer the vertical loads to column by Pingban-Fang or the column head.…”

Section: Introductionmentioning

confidence: 99%

Investigation on the behaviors of Tou–Kung sets in historic timber structures

Xue

Dong

2019

Advances in Structural Engineering

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To investigate the structural performance of Tou–Kung, two 1/3.52-scaled models of Tou–Kung were designed and tested subjected to vertical loading and quasi-static loading. Also, the finite element models of intact Tou–Kung and tilting Tou–Kung were established. Based on the validation of experimental results and finite element models, numerical simulation analysis of the models was carried out to study the influence of tilting angle on the behaviors of Tou–Kung. It is shown that the failure modes of the models were the compressive fracture of Da-Tou under vertical load, the shear failure of the dowel at Da-Tou, and the slipping between Da-Tou and Pingban-Fang subjected to lateral cyclic loads. The relationship of vertical load and vertical displacement was obtained and analyzed, and the vertical initial stiffness and bearing capacity of the models descended with the increase in tilting angle. The hysteretic loops of the tilting models subjected to cyclic loads are asymmetrical in positive and negative loading, and the asymmetrical degrees of the curves are much significant with a larger tilting angle of the models. With the increase in tilting angle, the lateral stiffness and ultimate load increased in positive loading, and both of them decreased in negative loading due to the tilting of the models. Also, the equivalent viscous damping coefficient of the models decreases with a larger tilting angle of Tou–Kung.

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Experimental investigation on the lateral structural performance of a traditional Chinese pre-Ming dynasty timber structure based on half-scale pseudo-static tests

Cited by 40 publications

References 19 publications

Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience

Floating column mechanism experimental investigation in historic timber buildings subjected to decay for seismic resilience

Seismic Behaviour of Straight‐Tenon Wood Frames with Column Foot Damage

Investigation on the behaviors of Tou–Kung sets in historic timber structures

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