GGBFS

AcronymDefinition
GGBFSGround Granulated Blast Furnace Slag
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The diffusion decay coefficients for concrete using GGBFS with 20%, 40%, and 60% are in the ranges of 0.
The diffusion decay coefficient for GGBFS concrete or FA concrete was expressed as the sum of the diffusion decay coefficient of OPC ([m.
OPC] is strongly influenced by W/B and an increment change of GGBFS concrete ([[DELTA].
m], can be expressed as a function of both W/B and the replacement ratio of GGBFS or FA.
where W/B is the water-binder ratio, GGBFS (%) is the replacement ratio of GGBFS (%), FA (%) is the replacement ratio of FA (%), and [alpha], [beta], [gamma], a, b, c, d, and e are coefficients.
Figures 4-6 represent the relationship between the measured diffusion coefficient determined by the migration test and the predicted diffusion coefficient obtained by the empirical formulas for the OPC, GGBFS, or FA concrete.
Figure 7 shows the diffusion coefficient for chloride ions at 28, 91,182,273, and 365 days of OPC, GGBFS 60%, and FA 10% concrete, determined by substituting the diffusion decay coefficient for chloride ions for (2), based on Table 8.
1) The resistance against chloride ions penetration of concrete containing GGBFS was superior to that of OPC concrete regardless of the W/B and age.
Diffusion decay coefficient for chloride ions of concrete containing mineral admixtures
1% silica fume enabled the build-up thickness to vary in a broad range between 114 and 218 mm, whereas GGBFS with 9.
vi) While all fly ash and steel fiber mixtures failed to meet the pumping requirements, several silica fume, GGBFS, and metakaolin mixtures complied with the pumping criteria at normal pump pressure.
Caption: Figure 7: Exerted torque versus rotational speed relationship for GGBFS mixtures with 9.
3]) SF FA GGBFS MK SF 0 0 -- -- -- 5 22 -- -- -- 9.
Predicting pumpability and shootability of crushed aggregate wet-mix shotcrete based on rheological properties
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