Table 8 The average results of splitting tensile strength for the S mixture at room temperature (RT) and after furnace and water cooling.

From: Thermo-mechanical behavior and spalling resistance of alkali-activated slag versus cement mortars under rapid high-temperature exposure

Mixture

Splitting tensile strength after furnace cooling (MPa)

RT

200 °C

400 °C

600 °C

7

28

10

20

30

10

20

30

10

20

30

S

1.65 (0.092) *

2.02 (0.074) *

2.15 (0.078) *

2.27 (0.0.076) *

2.36 (0.068) *

1.66 (0.107) *

1.31 (0.153) *

0.57 (0.175) *

0.62 (0.177) *

0.52 (0.188) *

0.31 (0.209) *

Splitting strength after water cooling (MPa)

2.07 (0.074)

2.18 (0.080)

2.28 (0.088)

1.40 (0.129)

0.67 (0.147)

0.36 (0.275)

0.41 (0.212)

0.31 (0.248)

0.26 (0.232)

  1. *Values in the parentheses indicate the coefficient of variance (dimensionless).
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