Dear Colleagues,

Natural organic fibers, which include plant fibers and animal fibers, are used in the preparation of concrete and mortars. They are added both in the form of loose fibers and as bundles, weaves and even textiles. Their admixture alters the properties of concrete composites, and the extent of these changes is the subject of much research. Thus, the durability of the fibers themselves is studied in an environment that is often unfavorable to them to determine how this can be enhanced.  The use of natural organic fibers makes it possible to achieve at least one of the following objectives: to improve selected characteristics of cementitious composites, to make cementitious composites a more environmentally friendly material by reducing their carbon footprint, and to manage materials that are considered waste in other industries. With this in mind, research into the use of natural organic fibers in cementitious composites is still an important and interesting area of science, where there are still both many blank spaces and room for further innovation. An example of a topic that is relatively underexplored scientifically is the recycling of cementitious composites containing fibers, and there are probably more such areas.

This Special Issue aims to attract all researchers working in this research field and will collect new findings and recent advances related to the use of natural organic fibers in cementitious composites; their influence on the mechanical, physical and durability properties of such materials; the mechanisms by which the cement matrix interacts with the fibers and how this interaction can be improved; the mechanisms by which the fibers degrade and how these processes can be reduced; as well as other issues that fall within the broad subject matter encompassed by the title of the Special Issue.

Dr. Roman Jaskulski
Dr. Maciej Kaźmierowski
Guest Editors

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• natural organic fibers
• natural organic textiles
• cement concrete
• cement mortar
• mechanical properties
• shrinkage
• thermal properties
• durability parameters
• material structure