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Study on Different Shear Performance of Moso Bamboo in Four Test Methods

Polymers, 2022-06, Vol.14 (13), p.2649 [Peer Reviewed Journal]

2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;2022 by the authors. 2022 ;ISSN: 2073-4360 ;EISSN: 2073-4360 ;DOI: 10.3390/polym14132649 ;PMID: 35808694

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  • Title:
    Study on Different Shear Performance of Moso Bamboo in Four Test Methods
  • Author: Huang, Aiyue ; Su, Qin ; Zong, Yurong ; Chen, Xiaohan ; Liu, Huanrong
  • Subjects: Bamboo ; Behavior ; Composite materials ; fracture behavior ; moso bamboo ; shear performance ; Shear strength ; Shear tests ; Shearing ; shearing characteristics ; Stress concentration ; Test methods
  • Is Part Of: Polymers, 2022-06, Vol.14 (13), p.2649
  • Description: Bamboo is recognized as a potential and sustainable green material. The longitudinal-splitting and shear strengths of bamboo are weak but critical to its utilizations. To discuss the different shear performances of bamboo, the shear strength and behaviors of bamboo culm were investigated by four test methods: the tensile-shear, step-shear, cross-shear, and short-beam-shear methods. Then, the different shear performance and mechanisms were discussed. Results indicated that the shear strength was significantly different in the four test methods and was highest in the step-shear-test method but lowest in the tensile-shear-test method. Moreover, the typical load-displacement curves were different across the shear methods but were similar to the curves of the respective loading modes. The axially aligned fiber bundles played an important role in all the shear performances. In the tensile-shear method, specimens fractured at the interface of the bamboo-fiber bundles. However, compress-shear behaviors were a combination of compression and shear. Then, the cross-shear method, in compress-shear, was lower than that of the step-shear method because of oval-shaped bamboo culm sections of different thickness. In the short-beam shear method, the behaviors and shearing characteristics were like bending with the fiber bundle pulled out.
  • Publisher: Basel: MDPI AG
  • Language: English
  • Identifier: ISSN: 2073-4360
    EISSN: 2073-4360
    DOI: 10.3390/polym14132649
    PMID: 35808694
  • Source: Open Access: DOAJ Directory of Open Access Journals
    Open Access: PubMed Central
    AUTh Library subscriptions: ProQuest Central
    GFMER Free Medical Journals
    ROAD: Directory of Open Access Scholarly Resources
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