<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Concrete, which is one of the most important construction materials, despite its many advantages (ease of use, high compressive strength, low production cost, resistance to high temperatures) also has disadvantages. These include low tensile strength and sensitivity to the damaging effects of chemical agents. The constant increase in expectation of increasing the quality of concrete has led to the modification of concrete with polymers. The presented research observed the influence of the structure and length of polymer fibers on the properties of concrete. The following types of concretes were used in the study: Portland cement CEM I 42.5R, sand, gravel aggregate of fractions 2-8 mm and 8-16 mm, water, Master Pozzolith STD plasticizer and polypropylene fibers of different length and structure. For each series of concretes, the following were determined: compressive strength after 7, 28 and 56 days of maturation, as well as water absorption, bulk density and frost resistance. In the next stage of the research, the surface layer of the synthesized composites was analyzed, determining mainly their morphology and elemental composition.</p>
</abstract>

Concrete, which is one of the most important construction materials, despite its many advantages (ease of use, high compressive strength, low production cost, resistance to high temperatures) also has disadvantages. These include low tensile strength and sensitivity to the damaging effects of chemical agents. The constant increase in expectation of increasing the quality of concrete has led to the modification of concrete with polymers. The presented research observed the influence of the structure and length of polymer fibers on the properties of concrete. The following types of concretes were used in the study: Portland cement CEM I 42.5R, sand, gravel aggregate of fractions 2-8 mm and 8-16 mm, water, Master Pozzolith STD plasticizer and polypropylene fibers of different length and structure. For each series of concretes, the following were determined: compressive strength after 7, 28 and 56 days of maturation, as well as water absorption, bulk density and frost resistance. In the next stage of the research, the surface layer of the synthesized composites was analyzed, determining mainly their morphology and elemental composition.

Effect of polypropylene fiber structure and length on selected properties of concrete

Construction of Optimized Energy Potential

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

Concrete, which is one of the most important construction materials, despite its many advantages (ease of use, high compressive strength, low production cost,...

Effect of polypropylene fiber structure and length on selected properties of concrete

Online veröffentlicht: 22. Juni 2024

Seitenbereich: 78 - 88

DOI: https://doi.org/10.17512/bozpe.2024.13.09

Schlüsselwörter
concrete, polypropylene fibers, compressive strength

© 2024 Alina Pietrzak, published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

Effect of polypropylene fiber structure and length on selected properties of concrete

Online veröffentlicht: 22. Juni 2024

Seitenbereich: 78 - 88

DOI: https://doi.org/10.17512/bozpe.2024.13.09

Schlüsselwörterconcrete, polypropylene fibers, compressive strength

© 2024 Alina Pietrzak, published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

Schlüsselwörter
concrete, polypropylene fibers, compressive strength