Performance of Concrete Containing Granulated Blast Furnace Slag as a Fine Aggregate

Srinivasarao, Ch.; Asadi, S.S.; Kameswararao, M.

doi:10.17485/ijst/2016/v9i38/99846

Cited by 3 publications

(1 citation statement)

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“…In addition, recent research has examined its performance against chloride ion diffusion is improved [6]. In addition, recent research has examined its performance throughout the world [7][8][9][10][11][12][13][14]. Some research papers [15][16][17][18][19] have been published on concrete using recycled aggregate recently.…”

Section: Introductionmentioning

confidence: 99%

Properties of Concrete Using Treated Low-Class Recycled Coarse Aggregate and Blast Furnace Slag Sand

Miyazaki¹,

Watanabe

Yamada

et al. 2020

Materials

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Since high quality natural aggregates are becoming scarce, it is important that industrial recycled products and by-products are used as aggregates for concrete. In Japan, the use of recycled aggregate (RG) is encouraged. Since, strength and durability of recycled aggregate concrete is lower than that of normal aggregate concrete, the use of recycled aggregate has not been significant. In order to improve physical properties of concrete using recycled coarse aggregate, blast furnace slag sand has been proposed. Recently, blast furnace slag sand is expected to improve durability, freezing, and thawing damage of concrete in Japan. Properties of fresh and hardened concrete bleeding, compressive strength, and resistance to freezing and thawing which are caused by the rapid freezing and thawing test using liquid nitrogen is a high loader than the JIS A 1148 A method that were investigated. As a result, concrete using treated low-class recycled coarse aggregate and 50% or 30% replacement of crushed sand with blast furnace slag sand showed the best results, in terms of bleeding, resistance to freezing and thawing.

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