Table 4 (a) Thermogravimetric analysis of silica fume modified samples at 1, 7 and 28 days of curing. (b) Thermogravimetric analysis of nano silica modified samples at 1, 7 and 28 days of curing.
From: Micro and Nano Engineered High Volume Ultrafine Fly Ash Cement Composite with and without Additives
a | ||||||
|---|---|---|---|---|---|---|
Mix | CH (normalised) | CH (residual) | ||||
1 day | 7 day | 28 day | 1 day | 7 day | 28 day | |
a | ||||||
CF | 13.7 % | 11.1 % | 8.3 % | 2.8 % | 2.2 % | 1.7 % |
S1 | 13.7 % | 8.8 % | 4.7 % | 2.8 % | 1.8 % | 0.9 % |
S2 | 11.5 % | 5.2 % | 2.5 % | 2.3 % | 1.0 % | 0.5 % |
S3 | 6.1 % | −1.2 % | −13.8 % | 5.5 % | 4.1 % | 1.6 % |
S4 | −0.1 % | −11.6 % | −18.9 % | 4.5 % | 2.0 % | 0.6 % |
b | ||||||
|---|---|---|---|---|---|---|
CF | 13.7 % | 11.1 % | 8.3 % | 2.8 % | 2.2 % | 1.7 % |
N1 | 4.7 % | – | – | 0.9 % | – | – |
N2 | – | – | – | – | – | – |
N3 | −13.2 % | – | – | 1.7 % | – | – |
N4 | −17.9 % | – | – | 0.8 % | – | – |