Comparación de la resistencia a la compresion a tempranas edades de un concreto f’c= 210 kg/cm2 utilizando diferentes tipos de aditivos acelerantes Iquitos – 2023
Date
2024-06-19
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Universidad Científica del Perú
Abstract
El presente estudio, tiene como objetivo la comparación de los resultados de los ensayos de resistencia a la compresión de un concreto convencional (cemento-arena) f’c= 210kg/cm2 con diferentes aditivos acelerantes (SikaRapid ® - 1 ,SikaRapid ® - 3 PE, Chema PLUG y Chema 3) con relaciones A/C de (0.58 y 0.60) curado durante 1,3,7,14,21 y 28 días. La muestra estuvo conformada por 384 especímenes.
Los resultados de esta investigación arrojaron lo siguiente con el aditivo (SikaRapid ® - 1) durante 1 día alcanzo una resistencia de 145kg/cm2 con una A/C de 0.58, pero con una relación A/C de 0.60 siendo este 135kg/cm2.
La resistencia a la compresión promedio, con (SikaRapid ® - 3 PE) curado durante 1 día alcanzo una resistencia de 175kg/cm2 con una relación A/C de 0.58, pero con una relación A/C de 0.60 siendo este 155kg/cm2.
La resistencia a la compresión promedio, con (Chema PLUG) curado durante 1 día alcanzo una resistencia de 125kg/cm2 con una relación A/C de 0.58, pero con una relación A/C de 0.60 siendo este 115kg/cm2.
La resistencia a la compresión promedio, con (Chema 3) curado durante 1 día alcanzo una resistencia de 134kg/cm2 con una relación A/C de 0.58, pero con una relación A/C de 0.60 siendo este 128kg/cm2.
En esta investigación se alcanzó una resistencia de 388kg/cm2 a los 28 dias incorporando al diseño aditivo acelerante SikaRapid ® - 3 PE, con una relación A/C de 0.58.
Finalmente, con el estudio realizado se puede concluir; que si se puede utilizar los diferentes tipos de aditivos que se vio en esta investigación para la elaboración del concreto (cemento-arena). Por lo tanto, SI EXISTE DIFERENCIA al utilizar diferentes tipos de aditivos acelerantes en él diseño de mezcla la cual se responde a nuestra hipótesis HI.
The objective of this study is to compare the results of the compressive strength tests of a conventional concrete (cement-sand) f'c = 210kg/cm2 with different accelerator additives (SikaRapid ® - 1, SikaRapid ® - 3 PE, Chema PLUG and Chema 3) with W/C ratios of (0.58 and 0.60) cured for 1,3,7,14,21 and 28 days. The sample was made up of 384 concrete specimens. The results of this investigation showed the following with the additive (SikaRapid ® - 1) for 1 day it reached a resistance of 145kg/cm2 with an A/C of 0.58, but with an A/C ratio of 0.60, this being 135kg/cm2. The average compressive strength, with (SikaRapid ® - 3 PE) cured for 1 day, reached a resistance of 175kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 155kg/cm2. The average compressive strength, with (Chema PLUG) cured for 1 day, reached a resistance of 125kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 115kg/cm2. The average compressive strength, with (Chema 3) cured for 1 day, reached a resistance of 134kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 128kg/cm2. In this research, a resistance of 388kg/cm2 was achieved after 28 days by incorporating SikaRapid ® - 3 PE accelerator additive into the design, with a W/C ratio of 0.58. Finally, with the study carried out it can be concluded; that if the different types of additives that were seen in this investigation can be used for the production of concrete (cement-sand). Therefore, THERE IS A DIFFERENCE when using different types of accelerating additives in the mixture design which responds to our HI hypothesis.
The objective of this study is to compare the results of the compressive strength tests of a conventional concrete (cement-sand) f'c = 210kg/cm2 with different accelerator additives (SikaRapid ® - 1, SikaRapid ® - 3 PE, Chema PLUG and Chema 3) with W/C ratios of (0.58 and 0.60) cured for 1,3,7,14,21 and 28 days. The sample was made up of 384 concrete specimens. The results of this investigation showed the following with the additive (SikaRapid ® - 1) for 1 day it reached a resistance of 145kg/cm2 with an A/C of 0.58, but with an A/C ratio of 0.60, this being 135kg/cm2. The average compressive strength, with (SikaRapid ® - 3 PE) cured for 1 day, reached a resistance of 175kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 155kg/cm2. The average compressive strength, with (Chema PLUG) cured for 1 day, reached a resistance of 125kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 115kg/cm2. The average compressive strength, with (Chema 3) cured for 1 day, reached a resistance of 134kg/cm2 with a W/C ratio of 0.58, but with a W/C ratio of 0.60, this being 128kg/cm2. In this research, a resistance of 388kg/cm2 was achieved after 28 days by incorporating SikaRapid ® - 3 PE accelerator additive into the design, with a W/C ratio of 0.58. Finally, with the study carried out it can be concluded; that if the different types of additives that were seen in this investigation can be used for the production of concrete (cement-sand). Therefore, THERE IS A DIFFERENCE when using different types of accelerating additives in the mixture design which responds to our HI hypothesis.
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Keywords
Concreto (cemento- arena), Aditivo acelerante, Aditivos, Concrete (cement-sand), Accelerator additive, Additives
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