2014
DOI: 10.1680/adcr.13.00003
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Effects of steel slag admixture with GGBFS on performances of cement paste and mortar

Abstract: The feasibility of steel slag powder as a combined admixture with ground granulated blast furnace slag (GGBFS) in cement-based materials was explored. The effects of steel slag powder on normal consistency water requirement, setting times, fluidity, mechanical strength and hydration products of cement paste/mortar were studied. The results showed that the optimum addition content of steel slag powder in combined admixture was less than 20%. Steel slag powder decreased normal consistency water requirement, reta… Show more

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Cited by 12 publications
(5 citation statements)
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“…Over the last decade, several international research groups outside the EU have also been engaged in research into hydraulic and bituminous concrete including electric arc furnace slag (EAFS, oxidizing slag, from the acid refining of liquid steel) and ladle furnace slag (LFS, reducing, from the basic refining of steel) for use in construction [46][47][48][49][50][51][52][53][54][55][56][57]. The authors of this paper form part of an EU research group that is also engaged in this task.…”
Section: Introductionmentioning
confidence: 99%
“…Over the last decade, several international research groups outside the EU have also been engaged in research into hydraulic and bituminous concrete including electric arc furnace slag (EAFS, oxidizing slag, from the acid refining of liquid steel) and ladle furnace slag (LFS, reducing, from the basic refining of steel) for use in construction [46][47][48][49][50][51][52][53][54][55][56][57]. The authors of this paper form part of an EU research group that is also engaged in this task.…”
Section: Introductionmentioning
confidence: 99%
“…Since the pioneering papers of Motz, Geiseler and Koros [1][2][3], almost all kinds of iron and steelmaking (as well as other metal) slags have been proposed for use in construction and civil engineering. Researchers now face the task of finding the most efficient and appropriate techniques for their reuse [4][5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20]. Several investigations on the re-use of steelmaking slags have been published over the last decades; some of them concerning mortar and concrete (rigid-stiff matrices) , and mixtures with granular soils (compliant-flexible and porous matrices) [44][45][46][47][48][49][50][51][52][53][54][55][56][57][58].…”
Section: Introductionmentioning
confidence: 99%
“…As hydration progresses, two types of gel products, namely calcium silicate hydrate (C-S-H) gel and calcium aluminate hydrate (C-A-H) gel, accumulate on the surfaces of mineral particles, and the rate of volcanic ash reaction gradually decreases and tends to stabilize (S7) [34][35][36][37][38][39][40]. Some researchers have suggested that the highest reaction degree is achieved when the mass ratio of steel slag to GBFS is 1:1 or 2:3 [16][17][18][19][20]. It is important to note that the products of volcanic ash reaction are not solely C-S-H and C-A-H gels but also include calcium aluminosilicate hydrate (C-A-S-H) gel.…”
Section: Synergistic Hydration Of Sgmmentioning
confidence: 99%
“…When steel slag is mixed with GBFS, the clinker-like characteristics of steel slag and the pozzolanic reaction characteristics of GBFS can mutually promote the hydration process, significantly improving the hydration degree of the composite system, especially the later strength of the composite material. However, the application of steel slag-GBFS cementitious material (SGM) remains limited due to extended setting times and inadequate early strength, which fail to satisfy the demands of various engineering requirements [16][17][18][19][20][21][22][23][24][25][26][27][28]. A bibliometric study based on the Web of Science database is finished and shown in Figure 2.…”
Section: Introductionmentioning
confidence: 99%