A review of the mechanical and durability performance of kraft-fibre reinforced mortar and concrete

Haigh, Robert; Sandanayake, Malindu; Bouras, Yanni; Vrcelj, Zora

doi:10.1016/j.conbuildmat.2021.123759

Cited by 30 publications

(20 citation statements)

References 83 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…They occur with the carbonate ions realization from the hydrogen-carbonate phases (CaHCO 3 , mono/hemi-carboaluminates) which are meta-stable and decarbonize at lower temperatures than CaCO 3 . That explains the low-intensity peaks insertion into the major decarbonation peak of samples in the next temperature range of 730-850 • C. The presence of HCO 3 − /HSO 4 − explains the registration of hydroxyl and carbonate/sulphate ions in the evolving gas [67,68]. The HCO 3 − /CO 3 2− equilibrium depends on the raw materials and environment: humidity, temperature, sulphur, nitrogen, carbon-containing, and other gases, pH, etc.…”

Section: Th Decarbonation and Desulphuration (730-850 °с)mentioning

confidence: 94%

Crystal-Chemical and Thermal Properties of Decorative Cement Composites

et al. 2021

View full text Add to dashboard Cite

The advanced tendencies in building materials development are related to the design of cement composites with a reduced amount of Portland cement, contributing to reduced CO2 emissions, sustainable development of used non-renewal raw materials, and decreased energy consumption. This work deals with water cured for 28 and 120 days cement composites: Sample A—reference (white Portland cement + sand + water); Sample B—white Portland cement + marble powder + water; and Sample C white Portland cement + marble powder + polycarboxylate-based water reducer + water. By powder X-ray diffraction and FTIR spectroscopy, the redistribution of CO32−, SO42−, SiO44−, AlO45−, and OH− (as O-H bond in structural OH− anions and O-H bond belonging to crystal bonded water molecules) from raw minerals to newly formed minerals have been studied, and the scheme of samples hydration has been defined. By thermal analysis, the ranges of the sample’s decomposition mechanisms were distinct: dehydration, dehydroxylation, decarbonation, and desulphuration. Using mass spectroscopic analysis of evolving gases during thermal analysis, the reaction mechanism of samples thermal decomposition has been determined. These results have both practical (architecture and construction) and fundamental (study of archaeological artifacts as ancient mortars) applications.

show abstract

Section: Th Decarbonation and Desulphuration (730-850 °с)mentioning

confidence: 94%

Crystal-Chemical and Thermal Properties of Decorative Cement Composites

et al. 2021

View full text Add to dashboard Cite

show abstract

“…These imperfections in the SFKFs created enhanced anchorage points on the fibre walls. Their bonding capacity was increased due to the variation in shape and pattern of the microfibrils on the fibres' walls within the matrix [61]. The enhanced bonding of the fibres creates additional mechanical strength when under axial loading.…”

Section: Microstructure Investigationsmentioning

confidence: 99%

The Thermo-Phase Change Reactivity of Textile and Cardboard Fibres in Varied Concrete Composites

Haigh,

Sandanayake,

Joseph

et al. 2024

Sustainability

Self Cite

View full text Add to dashboard Cite

The building and construction industry heavily relies on the use of concrete and cementitious composites due to their exceptional attributes, including strength and durability. However, the extensive use of these materials has led to significant environmental challenges, including resource depletion, carbon emissions, and waste accumulation. In response to these challenges, recent advancements in fibre cementitious composites have shown promise in mitigating these detrimental effects. The integration of waste materials to supplement manufactured fibres represents a promising development in reinforced concrete composite materials. Waste materials like textiles and cardboard are emerging as potential fibre supplements in cementitious composites. While these materials have primarily been investigated for their mechanical characteristics, understanding their thermal properties when applied in construction materials is equally crucial. Incorporating fibres within composite designs often requires matrix modification to reduce degradation and enhance fibre longevity. This study aims to investigate the thermo-phase change properties of both textile and cardboard fibres within varied concrete matrices. Additive materials offer a range of advantages and challenges when used in composite materials, with additional complexities arising when incorporating fibre materials. Understanding the thermal reactivity of these materials is crucial for optimizing their application in construction. This study demonstrates the potential of waste fibres used with gypsum, metakaolin, and silica fume as matrix modifiers in concrete. This research provides valuable insights for future studies to explore specific material combinations and investigate complex fire testing methods, ultimately contributing to the development of sustainable construction materials.

show abstract

“…1,2 Various types of fibers have been doped in cement-based materials, including metallic, polymeric, and natural fibers. [3][4][5] Fibers can effectively improve the mechanical properties of cement-based materials, such as low tensile strength, brittle failure, weak cracking resistance, and poor energy absorption capability. 6 Currently, multifunctional construction composites have been widely studied for modern structures.…”

Section: Introductionmentioning

confidence: 99%

“…Fiber‐reinforced concrete (FRC) is widely used in the construction of concrete structures 1,2 . Various types of fibers have been doped in cement‐based materials, including metallic, polymeric, and natural fibers 3–5 . Fibers can effectively improve the mechanical properties of cement‐based materials, such as low tensile strength, brittle failure, weak cracking resistance, and poor energy absorption capability 6 .…”

Section: Introductionmentioning

confidence: 99%

A study on HyFRCC consisting of PE and carbon fiber: Investigation of electrical and fracture properties based on orthogonal design

Zhu,

Shen,

Wei

2023

Structural Concrete

View full text Add to dashboard Cite

Hybrid fiber‐reinforced cementitious composites (HyFRCC) consisting of polyethylene (PE) and carbon fiber (CF) have potential for use in advanced composite materials by integrating high mechanical performance with smart functions based on electrical properties. However, an evaluation of the electrical and fracture properties of HyFRCC has not yet been reported. An orthogonal experimental design was used to investigate the effect of the water‐to‐binder (w/b) ratio and volume fraction of PE and carbon fiber on the electrical properties and fracture behavior of HyFRCC in this paper. The results show that the w/b ratio plays a major role in controlling the electrical resistivity of HyFRCC. The larger the amount of hybrid fibers added, the higher the w/b ratio needed. In particular, the PE fiber must not exceed 1.5 vol% to obtain HyFRCC with low electrical resistivity. Carbon fiber has a significant effect on the initial fracture toughness of HyFRCC, while PE fiber determines its unstable fracture toughness. A hybrid fiber system containing 1.0 vol% PE fiber and 0.5 vol% carbon fiber at a w/b ratio of 0.35 was used to reach a compatible electrical property and fracture behavior of HyFRCC. The results of this work provide a novel approach for designing and developing multifunctional cementitious composites, which would be a promising building material for structural strengthening and protection of steel corrosion as well as structural health monitoring.

show abstract

A review of the mechanical and durability performance of kraft-fibre reinforced mortar and concrete

Cited by 30 publications

References 83 publications

Crystal-Chemical and Thermal Properties of Decorative Cement Composites

Crystal-Chemical and Thermal Properties of Decorative Cement Composites

The Thermo-Phase Change Reactivity of Textile and Cardboard Fibres in Varied Concrete Composites

A study on HyFRCC consisting of PE and carbon fiber: Investigation of electrical and fracture properties based on orthogonal design

Contact Info

Product

Resources

About