Axial compressive behavior of transversely reinforced bamboo winding tubes

ABSTRACT

With the research and development of fiber composite winding tubes, this paper proposed an idea of using bamboo skin materials to prepare hollow tubes by hand lay-up process based on fiber winding tube technology, in order to solve the problem of existing bamboo hollow components in the field of civil engineering like radial bending, irregular section, bamboo joints and other problems. In view of the characteristics of brittle failure of bamboo winding tubes, this paper reinforced the outside of the bamboo winding tubes parallel to grain with bamboo skins perpendicular to grain, and studied the influence of different transversely reinforced layers on the overall bearing capacity of bamboo winding tubes. The test results showed that by adding transverse reinforcement to the outside of the bamboo winding tube, its bearing capacity can be effectively improved, making it an ideal column member. In addition, a prediction formula for the compressive strength of transversely reinforced bamboo winding tubes was proposed, and the calculation results of the formula are in good agreement with the test results.

KEYWORDS:

• Bamboo winding tube
• Hollow
• Transverse reinforcement
• Axial compression
• Compressive strength

Acknowledgments

The writers gratefully acknowledge Yougui Luo, Xing Guo, Tianyu Gao, Xin Xue, Zixian Feng, Ziang Wang, Xiaoyan Zheng, Shaoyun Zhu, Liqing Liu, Dunben Sun, Jing Cao, Yanjun Liu, Junhong Xu and others from the Nanjing Forestry University for helping.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This work was supported by the National Natural Science Foundation of China [grant number 51878354], [grant number 51308301]; the Natural Science Foundation of Jiangsu Province [grant number BK20181402], [grant number BK20130978]; 333 High-Level Talent Project of Jiangsu Province [grant number 2023]; Qinglan Project of Jiangsu Higher Education Institutions [grant number 2022]; and Postgraduate Research & Practice Innovation Program of Jiangsu Province, China [grant number KYCX22_1093]. All research outcomes presented in this paper are those of the writer(s) and do not necessarily reflect the views of the foundations.