Improved Reactivity of Fly Ash-Slag Geopolymer by the Addition of Silica Fume

Table 5

Reactivity of raw material calculated by using NMR deconvolution peaks.

Sample ID	Fly ash + silica fume	Slag	Total
C	57.5	55.2	56.3
SF1-10	48.4	45.6	46.8
SF1-20	37.5	44.9	42.2
Z10	35.6	81.5	61.1
HFA	44.8	55.3	50.0
Z10S	43.2	60.2	50.8
SF2-10	44.2	72.4	59.9
SF2-20	48.6	59.1	55.2
SF2-10S	27.2	82.0	51.5
SF2-20S	24.8	81.4	46.0

C and HFA indicate the reactivity of only fly ash.