Predictive models for mechanical properties of hybrid fibres reinforced concrete containing bamboo and basalt fibres

Chin, Siew Choo; Shaaban, Ibrahim G.; Rizzuto, Joseph P.; Khan, Sadaqat U.; Mohamed, Diana; Roslan, Nurul Iman Muhammad; Aziz, Azizah Abdul

doi:10.1016/j.istruc.2024.106093

Cited by 20 publications

(3 citation statements)

References 32 publications

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“…Fibrous materials enhance inter-component cohesion and contribute to the formation of additional calcium silicate hydrate (CSH) gels through hydration, refining the pore network. Similarly, nanomaterials affect the gel's morphology, improving the pore structure [3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Enhancing Concrete Mechanical Properties through Basalt Fibers and Calcium Sulfate Whiskers: Optimizing Compressive Strength, Elasticity, and Pore Structure

Zhang,

Wang,

et al. 2024

Materials

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To study the effects of basalt fibers (BFs), calcium sulfate whiskers (CSWs), and modified calcium sulfate whiskers (MCSWs) on the compressive strength and dynamic modulus of elasticity of concrete, this paper utilizes Mercury Intrusion Porosimetry (MIP) to measure the microstructure of concrete and calculate the fractal dimension of pore surface area. The results indicate that both CSWs and BFs can increase the compressive strength of concrete. CSWs can enhance the dynamic modulus of elasticity of concrete, while the effect of BFs on the dynamic modulus of elasticity is not significant. The improvement in compressive strength and dynamic modulus of elasticity provided by MCSWs is significantly greater than that provided by CSWs. Both CSWs and BFs can effectively improve the pore structure of concrete and have a significant impact on the surface fractal dimension. CSWs inhibit the formation of ink-bottle pores, while BFs increase the number of ink-bottle pores. Due to the ink-bottle pore effect, the fractal dimension of the capillary pore surface is generally greater than three, lacking fractal characteristics. The compressive strength and dynamic modulus of elasticity of concrete have a good correlation with the fractal dimensions of large pores and transition pores.

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Section: Introductionmentioning

confidence: 99%

“…Fibers, especially, have been shown to bolster concrete's fundamental properties by reinforcing bonds between its constituents [3,7,8]. Basalt fibers (BFs), derived from basalt rock, are prized for their high tensile strength, stability, and resistance to corrosion.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Concrete Mechanical Properties through Basalt Fibers and Calcium Sulfate Whiskers: Optimizing Compressive Strength, Elasticity, and Pore Structure

Zhang,

Wang,

et al. 2024

Materials

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“…Basalt fiber (BF) is a mineral fiber that exists in volcanic rock [17], belonging to the natural fiber, and because of its excellent mechanical properties and affordability, comprehensive cost-effectiveness is very high [18][19][20] and, in line with the requirements of green environmental protection, it has gradually received attention. At present, scholars have performed many experimental studies on basalt fibers to improve the mechanical properties of concrete [21][22][23][24][25], but there are fewer studies on various aspects of the mechanical properties of the cemented tailings backfilling with basalt fibers (BFCTB), so it is necessary to carry out the corresponding research in this area to promote the application of basalt fibers in the field of tailing sand filler with reference value and guiding significance.…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties and Energy Damage Evolution Mechanism of Basalt Fiber-Modified Tailing Sand Cementation and Filling Body Mechanics

Chen,

Zhang

2024

Buildings

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In order to investigate the mechanical properties of basalt fiber-doped tailing sand cemented filler and the evolution of energy damage, a uniaxial compression test was carried out on the basalt fiber-doped tailing sand cemented filler specimens to analyze the energy dissipation characteristics, and the damage constitutive equations with different basalt fiber contents were established based on damage mechanics. The results show that with the increase of fiber doping and fiber length, the uniaxial compressive strength and ductility of the filling body show a trend of increasing and then decreasing; the optimal value of fiber doping is 0.6%, and the optimal value of fiber length is 9 mm; the total strain energy, elastic strain energy and dissipation energy of basalt fiber-modified tailing sand cemented filling body at peak stress show a trend of increasing and then decreasing, and the energy dissipation energy of the filling body shows a trend of increasing and then decreasing. The energy dissipation energy shows a trend of increasing and then decreasing, and the energy dissipation energy shows a trend of increasing and then decreasing. The total strain energy, elastic strain energy, and dissipation energy at the peak stress show a trend of decreasing after increasing with the fiber doping and fiber length, and the energy damage evolution process can be divided into four stages: no damage stage, stable damage development stage, accelerated damage growth stage, and damage destruction; in addition, the existing damage constitutive model of the fiber-filled body was optimized, and the damage correction factor was introduced to obtain the damage constitutive model of the filled body with different fiber contents, and finally, after the verification of experimental and theoretical models, it was found that the two stress–strain curves coincided well. Finally, after the test and theoretical model verification, it is found that the stress–strain curves of the two are in good agreement, which indicates that the established theoretical model has a certain reference value for engineering practice, and at the same time, it has certain limitations.

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Analysis of Sea Urchin Spike Chitin and Basalt Bamboo Fiber-Epoxy Composite for Environmental Sustainability

Kumar,

Prabagaran,

Kandavalli

et al. 2024

Waste Biomass Valor

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Predictive models for mechanical properties of hybrid fibres reinforced concrete containing bamboo and basalt fibres

Cited by 20 publications

References 32 publications

Enhancing Concrete Mechanical Properties through Basalt Fibers and Calcium Sulfate Whiskers: Optimizing Compressive Strength, Elasticity, and Pore Structure

Enhancing Concrete Mechanical Properties through Basalt Fibers and Calcium Sulfate Whiskers: Optimizing Compressive Strength, Elasticity, and Pore Structure

Mechanical Properties and Energy Damage Evolution Mechanism of Basalt Fiber-Modified Tailing Sand Cementation and Filling Body Mechanics

Analysis of Sea Urchin Spike Chitin and Basalt Bamboo Fiber-Epoxy Composite for Environmental Sustainability

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