Investigation into the effects of various processing treatments on the flexural performance of carbon fiber reinforced polymer-bamboo scrimber composites

Liu, Caimei; Wu, Xu; Li, Xianjun; Wu, Yiqiang

doi:10.1080/13287982.2022.2073954

Cited by 4 publications

(3 citation statements)

References 13 publications

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“…It is found that the CFRP sheet effectively improves the bending modulus and static bending strength of the composite beam, and the failure mode is no longer the fracture failure of the bottom fiber, but the bond failure between CFRP and BS. However, the research of Liu et al [78] shows that the failure modes of CFRP-BS composite beams are divided into four types under different conditions: CFRP 'flowering' fracture failure, gradual peeling failure of the adhesive layer, instantaneous peeling failure of the adhesive layer and fracture failure of BS.…”

Section: Bendingmentioning

confidence: 99%

A Review of Basic Mechanical Properties of Bamboo Scrimber Based on Small-Scale Specimens

Xue,

Li,

Lorenzo

2024

JRM

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This review summarizes the existing knowledge about the mechanical properties of bamboo scrimber (BS) in literature. According to literature reviews, the strength of BS under different load modes is affected by a series of factors, such as the type of original bamboo, growth position, resin content, treatment method and density. Therefore, different production processes can be adopted according to different requirements, and bamboo scrimbers can also be classified accordingly. In addition, this review summarizes the changes in different factors considered by scholars in the research on the mechanical properties of BS, so that readers can have an overall understanding of the existing research and make more innovative and valuable research on this basis. This review provides and discusses the conclusive observations, the current research gaps and future research directions on the mechanical properties of BS.

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Section: Bendingmentioning

confidence: 99%

A Review of Basic Mechanical Properties of Bamboo Scrimber Based on Small-Scale Specimens

Xue,

Li,

Lorenzo

2024

JRM

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“…Bamboo materials are assembled according to the grain, and then glued and pressed. It is an ideal green high-strength structural material (Liu et al, 2022;Huang et al, 2016;Wu et al, 2019;AGMR et al, 2015). Among all kinds of bamboo engineering materials, bamboo scrimber has good comprehensive performance, especially suitable as a load-bearing component of the structure.…”

Section: Introductionmentioning

confidence: 99%

Creep performance and life prediction of bamboo scrimber under long-term tension in parallel-to-grain

Liu

et al. 2023

Preprint

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In order to study the long-term tensile creep properties of bamboo scrimber, this paper conducted long-term tensile creep tests in parallel-to-grain of bamboo scrimber in the indoor environment, and studied the creep failure mode, creep strain and creep compliance of bamboo scrimber in the long-term tensile. Furthermore, we proposed a unified creep life prediction method at the full stress level. The method included fitting the theoretical model of creep compliance of bamboo scrimber under long-term tension by using the multi-branch Kelvin-Voigt model, fitting the shear relaxation model in the form of Prony series by using the multi-branch generalized Maxwell model, establishing the creep finite element model of the bamboo scrimber specimen in the parallel-to-grain tension, and establishing the creep life prediction model of the bamboo scrimber in the parallel-to-grain tension based on the creep failure rule and the creep deformation data calculated by the finite element model. The results showed that the creep strain curve of bamboo scrimber included unstable creep stage and stable creep stage without accelerated creep stage. The specimen broke instantaneously in the last 1 second, and the fracture shape showed as flush fracture and oblique fracture. Under 70% of the ultimate load level, the creep characteristics of the bamboo scrimber in the parallel-to-grain tension were linear viscoelastic, and the creep compliance was basically independent of the load level. The creep finite element model of bamboo scrimber tensile specimen could accurately calculate the creep deformation of the bamboo scrimber. The creep life prediction model could accurately predict the creep life of bamboo scrimber at the full tensile stress level in parallel-to-grain.

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“…Bamboo scrimber is a novel type of bamboo-based composite material composed of bamboo bundle fibers. Bamboo materials are assembled according to the grain, glued, and pressed to form an ideal green high-strength structural material [4][5][6][7][8]. Among all types of bamboo engineering materials, bamboo scrimber exhibits excellent comprehensive performance and is particularly suitable as a load-bearing component of the structure.…”

Section: Introductionmentioning

confidence: 99%

Creep Performance and Life Prediction of Bamboo Scrimber under Long-Term Tension in Parallel-to-Grain

Liu,

Wu,

Liu

et al. 2023

Forests

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Creep performance is a crucial factor that must be considered in structural design. This paper aims to investigate the creep failure mode, creep strain, creep compliance, and other creep properties of bamboo scrimber under long-term tension in parallel-to-grain. To establish a general creep life prediction method for the full stress level of the bamboo scrimber, a multi-branch Kelvin–Voigt model, a generalized Maxwell model, and a creep finite element simulation were employed. The results showed that the creep strain curve of bamboo scrimber included the unsteady creep stage and the stable creep stage, but not the accelerated creep stage. When the stress ratio was less than 0.3, the residual strength decreased gradually. Below 70% of the ultimate load capacity, the creep characteristics of the bamboo scrimber were linear viscoelastic, and the creep compliance was generally independent of the load level. The creep finite element model of bamboo scrimber could accurately calculate the creep deformation of specimens. Based on this creep finite element model and creep failure rules, a life prediction model for the full stress level of bamboo scrimber was established, which could accurately predict the creep life. This paper provides theoretical guidance for the creep design of bamboo scrimber in engineering structures.

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Investigation into the effects of various processing treatments on the flexural performance of carbon fiber reinforced polymer-bamboo scrimber composites

Cited by 4 publications

References 13 publications

A Review of Basic Mechanical Properties of Bamboo Scrimber Based on Small-Scale Specimens

A Review of Basic Mechanical Properties of Bamboo Scrimber Based on Small-Scale Specimens

Creep performance and life prediction of bamboo scrimber under long-term tension in parallel-to-grain

Creep Performance and Life Prediction of Bamboo Scrimber under Long-Term Tension in Parallel-to-Grain

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