A Study on the Reduction in Hydration Heat and Thermal Strain of Concrete with Addition of Sugarcane Bagasse Fiber

Abstract

<jats:p>Early prevention methods in massive concrete structures to control the heat of hydration and, consequently, the development of cracks due to thermal expansion are important subjects, since these cracks may compromise structural integrity. In the present study, the sugarcane residues in massive concrete were used in order to investigate the reduction in the heat of hydration, the thermal expansion resistance, and also the fresh and mechanical properties of the concrete. The results showed that, by adding 2.0% of bagasse fiber and 5.0% of pozzolanic material to the concrete, the heat of hydration was reduced, and the strain due to the thermal expansion was smaller than the control mixture. Moreover, the compressive, flexural, and split tensile strength increased in comparison to the control mixture.</jats:p>

An Environmental Assessment of Interlocking Concrete Blocks Mixed with Sugarcane Residues Produced in Okinawa

“…The raw bagasse was dipped in water at 30 • C for 30 min and then dried in the open air. The intent of this process was to reduce the residual sugar content of the bagasse and eliminate impurities [21,[23][24][25][26]. Afterwards, the residues were classified by a sieving process.…”

Impacto de los derivados de la caña de azúcar sobre las propiedades físico-mecánicas del hormigón

“…y luego se seca al aire libre durante 14 días. La intención de este proceso era reducir el residuo contenido de azúcar del bagazo y eliminar las impurezas (Ribeiro, Yamamoto, & Yamashiki, 2020); posteriormente, se tamiza el bagazo crudo. Las fibras de bagazo (BF) del estudio pasaron por un tamiz de 4,76 mm y permanecieron en un Tamiz de 2 mm con una variación de longitud entre 8mm y 44 mm (Ribeiro, Yamamoto, & Yamashiki, 2020)…”

Insight into Thermal Stress Distribution and Required Reinforcement Reducing Early-Age Cracking in Mass Foundation Slabs

“…Early-age thermal effects in concrete structures have been the subject of extensive research since the thirties of the twentieth century, when the construction of large dams raised problems with hydration heat. Some studies are devoted to hydration heat [10][11][12][13], temperature and stress variation in concrete members [14][15][16][17][18], the analysis of cracking risk [19][20][21][22], as well as measures preventing this risk [23][24][25][26]. Thus, the behavior of early-age concrete concerning these issues is fairly well recognized.…”