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International Journal of Concrete Structures and Materials

Table 6 Parameters obtained from four-point flexural tests (ASTM C1609).

From: Mechanical Properties of Steam Cured High-Strength Steel Fiber-Reinforced Concrete with High-Volume Blast Furnace Slag

Name

F LOP (MPa)

F MOR (MPa)

δ MOR (mm)

Tough L/600 (kNmm)

Tough L/150 (kNmm)

F R,L/300 (MPa)

F R,L/150 (MPa)

OPC

7.0

7.0

0.063

–

–

–

–

S65-0.5

7.8

8.0

0.85

10.8

48.4

8.0 (103%)

6.8 (87%)

S80-0.5

7.2

9.8

1.72

12.5

59.8

9.4 (131%)

9.6 (133%)

S65-0.75

9.2

10.0

0.87

14.1

60.9

9.9 (108%)

8.3 (90%)

  1. f LOP first cracking flexural strength, f MOR post-cracking flexural strength, δ MOR deflection capacity, Tough L/600 toughness at L/600, Tough L/150 toughness at L/150, f R,L/300 residual flexural stress at L/300, f R,L/150 residual flexural stress at L/150.
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