Slenderness Ratio Effect on Eccentric Compression Properties of Parallel Bamboo Strand Lumber Columns
Publication: Journal of Structural Engineering
Volume 145, Issue 8
Abstract
The slenderness ratio is one of the main influencing factors for columns. It is interesting to study how this factor influences the mechanical properties of parallel bamboo strand lumber (PBSL) columns. Based on this background, 27 column tests have been carried out and analyzed. Bending failure always occurred for the test specimens regardless of their length, even though two failure models can be classified by crack layers based on the test results for the PBSL columns. The strain values are more scattered for the short specimens. The ultimate strain values for two directions for compression surfaces are always the biggest ones among the four surfaces. Three stages can be identified for the failure process irrespective of column length. The paper proposes equations representing the relationship between the slenderness ratio and mechanical property parameters based on the test results.
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Acknowledgments
The research work presented in this paper is supported by the Natural Science Foundation of Jiang-su Province (No. BK20181402), the National Natural Science Foundation of China (51878354), the China Postdoctoral Science Foundation (2015M580382), Jiangsu Postdoctoral Science Foundation Project (1501037A), and a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions. Any research results expressed in this paper are those of the writer(s) and do not necessarily reflect the views of the foundations. The authors gratefully acknowledge Rong Liu, Qi-jun Wang, Zhuang-yan Shen, Hao Yang, Ming-lei Yao, Shuai-hong Zhang, Jin-yuan Wang, Zhi-hao Yin, Jin-xiu Sun, Wei-xu Zhu, Xiaoyan Zheng, Shaoyun Zhu, Liqing Liu, Dunben Sun, Jing Cao, Yanjun Liu, and others from the Nanjing Forestry University for helping with the tests.
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Published In
Journal of Structural Engineering
Volume 145 • Issue 8 • August 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Jan 18, 2018
Accepted: Jan 8, 2019
Published online: Jun 3, 2019
Published in print: Aug 1, 2019
Discussion open until: Nov 3, 2019
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