Study on compressive strength of bamboo (Guadua amplexifolia J. Presl) in San Jorge River basin, Colombia

IF 6 Q1 ENGINEERING, MULTIDISCIPLINARY

Results in Engineering Pub Date : 2024-09-18 DOI:10.1016/j.rineng.2024.102926

Yiniva Camargo Caicedo , Jorge Augusto Montoya Arango , Ricardo Acosta Acosta

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Abstract

Bamboo is a fast-growing plant commonly used to produce handicrafts, baskets, furniture, and other goods. Guadua amplexifolia J. Presl, a native woody bamboo species of Colombia, has been the subject of limited scientific research. This study conducted in the San Jorge River basin in Montelíbano (Córdoba) evaluated Guadua amplexifolia J. Presl's compressive strength to find its potential applications. Samples from four- and five-year-old bamboo culms were collected for analysis. The findings showed a positive correlation between the modulus of rupture and density. In contrast, the modulus of elasticity showed a weak positive correlation. It was seen that the predominant mode of compressive strength failure was type A (accounted for 66.7 %) in the samples tested. The mean value for the modulus of rupture was 43.1 x10⁻³ MPa, and the mean modulus of elasticity value was 1075.5 x10⁻³ MPa. Earlier studies reported lower calculated values for modulus of rupture and modulus of elasticity for G. amplexifolia J. Presl bamboo than other bamboo species.

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哥伦比亚圣乔治河流域竹子（Guadua amplexifolia J. Presl）抗压强度研究

竹子是一种生长迅速的植物，常用来制作工艺品、篮子、家具和其他物品。瓜竹（Guadua amplexifolia J. Presl）是哥伦比亚的一种原生木竹，其科学研究一直很有限。这项研究在科尔多瓦省蒙特利巴诺的圣乔治河流域进行，评估了 Guadua amplexifolia J. Presl 的抗压强度，以发现其潜在的应用价值。研究人员采集了 4 年和 5 年竹秆的样本进行分析。研究结果表明，断裂模数与密度之间存在正相关。相比之下，弹性模量的正相关性较弱。在测试的样本中，抗压强度破坏的主要模式是 A 型（占 66.7%）。断裂模量的平均值为 43.1 x10-3 兆帕，弹性模量的平均值为 1075.5 x10-3 兆帕。早期的研究报告显示，G. amplexifolia J. Presl 竹的断裂模数和弹性模量计算值低于其他竹种。

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