https://repository.tudelft.nl/islandora/object/uuid%3A1f6e1c6c-7d68-440d-905f-164811f46c8e/datastream/OBJ/download

Carbonation of cement paste : Understanding, challenges, and opportunities

The use of ecological materials for building and industrial applications contributes to minimizing the environmental impact of new technologies. In this context, the cement and geopolymer sectors are considering natural fibers as sustainable reinforcement for developing composites. Natural fibers are renewable, biodegradable, and non-toxic, and they exhibit attractive mechanical properties in comparison with their synthetic fiber counterparts. However, their hydrophilic character makes them vulnerable to high volumes of moisture absorption, thus conferring poor wetting with the matrix and weakening the fiber-matrix interface. Therefore, modification and functionalization strategies for natural fibers to tailor interface properties and to improve the durability and mechanical behavior of cement and geopolymer-based composites become highly important. This paper presents a review of the physical, chemical and biological pre-treatments that have been performed on natural fibers, their results and effects on the fiber-matrix interface of cement and geopolymer composites. In addition, the degradation mechanisms of natural fibers used in such composites are discussed. This review finalizes with concluding remarks and recommendations to be addressed through further in-depth studies in the field.

/pdf/a-review-on-natural-fiber-reinforced-geopolymer-and-cement-5tgv4mq764.pdf

A Review on Natural Fiber-Reinforced Geopolymer and Cement-Based Composites.

A new treatment for coconut fibers to improve the properties of cement-based composites – Combined effect of natural latex/pozzolanic materials

pdf/characterization-of-a-textile-waste-nonwoven-fabric-52n6x1akh0.pdf

Characterization of a textile waste nonwoven fabric reinforced cement composite for non-structural building components

Synergic effect of fiber and matrix treatments for vegetable fiber reinforced cement of improved performance

The present review shows the state-of-art on the approachs about improving the processing, physical- mechanical performance and durability of non-conventional fiber-cement composites. The objective of this review is to show some of these strategies to mitigate the degradation of the vegetable fibers used as reinforcement in cost-effective and non-conventional fiber-cement and, consequently, to improve their mechanical and durability properties for applications in the housing construction. Beyond the introduction about vegetable fibers, the content of this review is divided in the following sections: (i) surface modification of the fibers; (ii) improving fiber-to-cement interface; (iii) natural pozzolans; (iv) accelerated carbonation; (v) applications of nanoscience; and (vi) principles of functionally graded materials and extrusion process were briefly discussed with focus on future research needs.

/pdf/non-conventional-cement-based-composites-reinforced-with-354c7x2jmt.pdf

Non-conventional cement-based composites reinforced with vegetable fibers: A review of strategies to improve durability

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Non-conventional cement-based composites reinforced with vegetable fibers: A review of strategies to improve durability