Difference between Internal and External Hydration of Hardened Cement Paste under Microwave Curing
Table 3
The curing regime and compressive strength.
No.
Curing regime
Compressive strength (MPa)
6 h
1 d
120 d
1
ML15
Swelling
—
—
2
ML10 + I30ML15
Breaking
—
—
3
ML10I30ML5 + I30ML5 + I30ML5 + I30ML20
12.4
—
—
4
ML10 + I30M5 + I30M5 + I30M5 + I30M25
10.0
—
19.6
5
ML5 + I30ML5 + I30ML5 + I30ML5 + I30M20
10.1
—
—
6
ML5 + I30ML5 + I30M5 + I30M5 + I30M20
12.7
—
28.2
7
M5 + I30M5 + I30M5 + I30M5 + I30M15
17.7
18.4
29.5
8
M5 + I30M5 + I30M5 + I30M20
16.3
21.4
33.2
Note. ML and M represent the output power of 260 w and 440 w, respectively, and I represents the interval time between two radiations, min. The followed Arabic numerals represent the time, min.
