Citas bibligráficas
Cano, B., Galarza, E. (2020). Propuesta de uso de cenizas de cáscara de arroz y fibras de polipropileno en diseños de mezclas de concreto para el control de fisuras en losas macizas entrepiso in-situ en la ciudad de Lima [Tesis, Universidad Peruana de Ciencias Aplicadas (UPC)]. http://hdl.handle.net/10757/654901
Cano, B., Galarza, E. Propuesta de uso de cenizas de cáscara de arroz y fibras de polipropileno en diseños de mezclas de concreto para el control de fisuras en losas macizas entrepiso in-situ en la ciudad de Lima [Tesis]. PE: Universidad Peruana de Ciencias Aplicadas (UPC); 2020. http://hdl.handle.net/10757/654901
@misc{renati/393965,
title = "Propuesta de uso de cenizas de cáscara de arroz y fibras de polipropileno en diseños de mezclas de concreto para el control de fisuras en losas macizas entrepiso in-situ en la ciudad de Lima",
author = "Galarza Mateo, Edwin Jean Marco",
publisher = "Universidad Peruana de Ciencias Aplicadas (UPC)",
year = "2020"
}
The present investigation was elaborated with the purpose of studying the influence of the addition of rice husk ash (RHA) and polypropylene fibers (PPF) on the plastic shrinkage cracking of concrete. The research study took place in the city of Lima, where we focused on investigating the plastic and mechanical properties of a concrete f´c = 210 kg / cm2, which is commonly used in the manufacture of solid slabs, with partial replacement of the cement by RHA in percentages of 5%, 10% and 15% respect to its weight and PPF in yield of 900 g / m3. The main properties in the hardened state were investigated, the compressive strength and flexural strength and the property in the plastic state that developed was cracking due to plastic shrinkage through the ASTM C1579 test. Taking into account that there is no agreement regarding the maximum width in a structural element, it was decided to use limits between 0.2 to 0.4 mm, for normal environments, suggested by Mg. Eng. Gianfranco Ottazzi. According to the results obtained, the mixture added with RHA in replacement of cement in percentages of 5%, 10% and 15% together with PPF in yield of 900 gr / m3, we can infer that the RHA will reduce, not significantly, the strength properties of a concrete f´c = 210 kg / cm2, however, reduce the average occurrence of cracks produced in solid slabs due to the plastic shrinkage of the same.
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