Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading

Connection is an important part of the bamboo and timber structure, and it directly influences the overall structural performance and safety. Based on a comprehensive analysis of the mechanical performance of several wood connections, a new connector for the bamboo (timber) frame joint was proposed...

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Main Authors: Junwen Zhou, Dongsheng Huang, Chun Ni, Yurong Shen, Longlong Zhao
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Advances in Materials Science and Engineering
Online Access:http://dx.doi.org/10.1155/2018/9084279
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author Junwen Zhou
Dongsheng Huang
Chun Ni
Yurong Shen
Longlong Zhao
author_facet Junwen Zhou
Dongsheng Huang
Chun Ni
Yurong Shen
Longlong Zhao
author_sort Junwen Zhou
collection DOAJ
description Connection is an important part of the bamboo and timber structure, and it directly influences the overall structural performance and safety. Based on a comprehensive analysis of the mechanical performance of several wood connections, a new connector for the bamboo (timber) frame joint was proposed in this paper. Three full-scale T-type joint specimens were designed to study the mechanical performance under cyclic loading. The thickness of the hollow steel column was different among three specimens. The specimens were loaded under displacement control with a rate of 10 mm per minute until the specimens reach failure. It was observed that the failures of three specimens were caused by the buckling of flanges in the compression and that the steel of connections does not yield. The load-displacement hysteretic curve for three specimens is relatively plump, and the stiffness of connection degenerates with the increasing of cyclic load. The maximum rotation is 0.049 rad, and the energy dissipation coefficient is 1.77. The thickness of the hollow steel column of the connector has significant impact on the energy dissipation capacity and the strength of the connection. A simplified moment-rotation hysteresis model for the joint was proposed.
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spelling doaj-art-05d5edc315c048299cb41d8cfc016e7f2025-02-03T05:45:24ZengWileyAdvances in Materials Science and Engineering1687-84341687-84422018-01-01201810.1155/2018/90842799084279Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic LoadingJunwen Zhou0Dongsheng Huang1Chun Ni2Yurong Shen3Longlong Zhao4School of Civil Engineering, Nanjing Forestry University, Nanjing 210037, ChinaSchool of Civil Engineering, Nanjing Forestry University, Nanjing 210037, ChinaFPInnovations, Vancouver, BC, V6T 1Z4, CanadaSchool of Civil Engineering, Nanjing Forestry University, Nanjing 210037, ChinaSchool of Civil Engineering, Nanjing Forestry University, Nanjing 210037, ChinaConnection is an important part of the bamboo and timber structure, and it directly influences the overall structural performance and safety. Based on a comprehensive analysis of the mechanical performance of several wood connections, a new connector for the bamboo (timber) frame joint was proposed in this paper. Three full-scale T-type joint specimens were designed to study the mechanical performance under cyclic loading. The thickness of the hollow steel column was different among three specimens. The specimens were loaded under displacement control with a rate of 10 mm per minute until the specimens reach failure. It was observed that the failures of three specimens were caused by the buckling of flanges in the compression and that the steel of connections does not yield. The load-displacement hysteretic curve for three specimens is relatively plump, and the stiffness of connection degenerates with the increasing of cyclic load. The maximum rotation is 0.049 rad, and the energy dissipation coefficient is 1.77. The thickness of the hollow steel column of the connector has significant impact on the energy dissipation capacity and the strength of the connection. A simplified moment-rotation hysteresis model for the joint was proposed.http://dx.doi.org/10.1155/2018/9084279
spellingShingle Junwen Zhou
Dongsheng Huang
Chun Ni
Yurong Shen
Longlong Zhao
Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
Advances in Materials Science and Engineering
title Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
title_full Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
title_fullStr Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
title_full_unstemmed Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
title_short Experiment on Behavior of a New Connector Used in Bamboo (Timber) Frame Structure under Cyclic Loading
title_sort experiment on behavior of a new connector used in bamboo timber frame structure under cyclic loading
url http://dx.doi.org/10.1155/2018/9084279
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