INFLUENCE OF REINFORCEMENT ON WOOD TENSILE STRENGTH SUBMITTED TO WEATHERING

IF 0.6 4区 农林科学 Q4 FORESTRY Revista Arvore Pub Date : 2021-01-01 DOI:10.1590/1806-908820210000026
G. G. Balanco, E. Rodrigues, V. Aquino, T. Panzera, F. Lahr, A. Christoforo
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Abstract

ABSTRACT Wood is an important building material used in roof structures, bridges, viaducts, and pedestrian bridges. In order to improve its use, as well as rehabilitate structural parts deteriorated by weathering, reinforcement of beams and columns with composite material is performed. Given the climate action on structures, it is important to know the influence and behavior of wood and composite material when subjected to weathering. This study aimed to evaluate the influence of the reinforcement of CCB-treated wood with carbon fiber reinforced polymer (CFRP) and subjected to artificial weathering on its tensile strength parallel to the fibers. The results showed a 30% reduction in strength due to weathering and a 25% increase in tensile strength, showing the positive influence of reinforcement even under artificial weathering conditions
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钢筋对木材抗拉强度的影响
木材是一种重要的建筑材料,用于屋顶结构、桥梁、高架桥和人行天桥。为了改善其使用,以及修复因风化而恶化的结构部件,使用复合材料对梁和柱进行加固。考虑到气候对结构的影响,了解木材和复合材料在风化作用下的影响和行为是很重要的。本研究旨在评估碳纤维增强聚合物(CFRP)增强ccb处理木材并经过人工风化对其平行于纤维的拉伸强度的影响。结果表明,由于风化作用,强度降低30%,抗拉强度增加25%,即使在人工风化条件下,加固也有积极的影响
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来源期刊
Revista Arvore
Revista Arvore FORESTRY-
CiteScore
1.00
自引率
0.00%
发文量
32
审稿时长
4-8 weeks
期刊介绍: A Revista Árvore é um veículo de comunicação científica da Sociedade de Investigações Florestais – SIF. O jornal é de acesso gratuito, revisado por pares, que publica bimestralmente trabalhos científicos originais no campo da Ciência Florestal. As áreas temáticas para publicação são: Ambiência e Conservação da Natureza, Manejo Florestal, Silvicultura e Tecnologia da Madeira e Utilização de Produtos Florestais. A política editorial visa manter alta conduta ética em relação à publicação e aos seus funcionários, rigor na qualidade dos artigos científicos, seleção de revisores qualificados, respeito profissional aos autores e processo de tomada de decisão imparcial. A Revista Árvore publica artigos apenas em inglês. Artigos de revisão podem ser publicados se houver uma discussão relevante resumindo o estado da arte sobre o assunto. A revisão estrita da literatura não é aceita.
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