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Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification

Phyllostachys edulis (P. edulis) bamboo is the most widely distributed and used bamboo species, and it is an ideal building material. With the in-depth implementation of the sustainable development strategy, modern bamboo structures have broad application prospects in green buildings. In order to pr...

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Autores principales: Liu, Pengcheng, Zhou, Qishi, Fu, Feiyang, Li, Wei
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9002713/
https://www.ncbi.nlm.nih.gov/pubmed/35406291
http://dx.doi.org/10.3390/polym14071418
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author Liu, Pengcheng
Zhou, Qishi
Fu, Feiyang
Li, Wei
author_facet Liu, Pengcheng
Zhou, Qishi
Fu, Feiyang
Li, Wei
author_sort Liu, Pengcheng
collection PubMed
description Phyllostachys edulis (P. edulis) bamboo is the most widely distributed and used bamboo species, and it is an ideal building material. With the in-depth implementation of the sustainable development strategy, modern bamboo structures have broad application prospects in green buildings. In order to promote the efficient utilization of bamboo resources and facilitate the design and application of bamboo structures, the bending strength test and classification of P. edulis bamboo were carried out, the factors affecting the reliability were analyzed, and the design values of the bending strength of P. edulis bamboo were proposed based on the reliability analysis. The research results show that dividing P. edulis bamboo into three levels (grade I, grade II, and grade III) can achieve efficient use of P. edulis bamboo resources; 75% fitting data points and normal distribution were used to analyze the reliability of the bending strength of P. edulis bamboo. The analysis of factors affecting reliability makes the calculation of strength design values more reliable. The reliability increases with the increase of the load ratio and the partial factor for resistance. Under the same load ratio and reliability, the partial factor for resistance of the combination of constant load and snow load is the largest, and the partial factor for resistance of the combination of constant load and office building load is the smallest. Under the same load combination and reliability, the partial factor for resistance decreases as the load ratio increases. Under the same load ratio and load combination, the partial factor for resistance of grade III is the largest, and grade I is the smallest. The bending strength design values of grade I, grade II, and grade III are 29.54 MPa, 29.62 MPa, and 30.63 MPa, respectively. This paper innovatively proposed the design values of bending strength of P. edulis bamboo based on classification. The P. edulis bamboo grading method established in this paper and the bending strength design values of P. edulis bamboo proposed can provide references for the design and engineering application of bamboo structures.
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spelling pubmed-90027132022-04-13 Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification Liu, Pengcheng Zhou, Qishi Fu, Feiyang Li, Wei Polymers (Basel) Article Phyllostachys edulis (P. edulis) bamboo is the most widely distributed and used bamboo species, and it is an ideal building material. With the in-depth implementation of the sustainable development strategy, modern bamboo structures have broad application prospects in green buildings. In order to promote the efficient utilization of bamboo resources and facilitate the design and application of bamboo structures, the bending strength test and classification of P. edulis bamboo were carried out, the factors affecting the reliability were analyzed, and the design values of the bending strength of P. edulis bamboo were proposed based on the reliability analysis. The research results show that dividing P. edulis bamboo into three levels (grade I, grade II, and grade III) can achieve efficient use of P. edulis bamboo resources; 75% fitting data points and normal distribution were used to analyze the reliability of the bending strength of P. edulis bamboo. The analysis of factors affecting reliability makes the calculation of strength design values more reliable. The reliability increases with the increase of the load ratio and the partial factor for resistance. Under the same load ratio and reliability, the partial factor for resistance of the combination of constant load and snow load is the largest, and the partial factor for resistance of the combination of constant load and office building load is the smallest. Under the same load combination and reliability, the partial factor for resistance decreases as the load ratio increases. Under the same load ratio and load combination, the partial factor for resistance of grade III is the largest, and grade I is the smallest. The bending strength design values of grade I, grade II, and grade III are 29.54 MPa, 29.62 MPa, and 30.63 MPa, respectively. This paper innovatively proposed the design values of bending strength of P. edulis bamboo based on classification. The P. edulis bamboo grading method established in this paper and the bending strength design values of P. edulis bamboo proposed can provide references for the design and engineering application of bamboo structures. MDPI 2022-03-30 /pmc/articles/PMC9002713/ /pubmed/35406291 http://dx.doi.org/10.3390/polym14071418 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/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/).
spellingShingle Article
Liu, Pengcheng
Zhou, Qishi
Fu, Feiyang
Li, Wei
Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title_full Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title_fullStr Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title_full_unstemmed Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title_short Bending Strength Design Method of Phyllostachys edulis Bamboo Based on Classification
title_sort bending strength design method of phyllostachys edulis bamboo based on classification
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9002713/
https://www.ncbi.nlm.nih.gov/pubmed/35406291
http://dx.doi.org/10.3390/polym14071418
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AT liwei bendingstrengthdesignmethodofphyllostachysedulisbamboobasedonclassification