The Scientific World Journal / 2013 / Article / Tab 7

Research Article

Effect of Expansive Admixtures on the Shrinkage and Mechanical Properties of High-Performance Fiber-Reinforced Cement Composites

Table 7

Summary of direct tensile test results.

EXA (type)Mixture typeMaximum strength (MPa) Tensile strain at peak load (%), (strain at 80% maximum
strength after maximum strength (%))
12345Ave.12345Ave.

NonePE1.5-06.166.675.495.584.615.703.30
(3.82)
3.80
(4.32)
2.16
(2.83)
2.27
(2.80)
1.03
(1.55)
2.51
(3.06)

CSA-K (Type 1)PE1.5-82.903.196.944.035.354.480.22
(0.41)
0.10
(0.33)

(−)
0.40
(0.77)

(−)
0.24
(0.50)
PE1.5-104.476.177.295.366.055.872.53
(2.77)
2.23
(3.08)
2.30
(2.65)
1.53
(1.99)
2.18
(3.19)
2.16
(2.74)
PE1.5-124.414.854.585.815.815.090.53
(0.82)
1.09
(1.67)
0.57
(1.27)
0.97
(1.35)
1.66
(2.04)
0.96
(1.43)
PE1.5-146.305.245.485.806.595.881.20
(1.28)
1.86
(2.22)
1.44
(1.64)
1.67
(1.83)

(−)
1.54
(1.74)

CSA-J (Type 2)PE1.5-84.276.225.204.084.940.39
(0.54)
1.53
(2.15)
0.02
(1.06)
0.29
(0.91)
0.56
(1.165)
PE1.5-106.744.593.885.445.445.222.33
(2.76)
0.36
(0.86)
0.82
(1.10)
0.58
(1.33)
0.88
(1.43)
1.00
(1.45)
PE1.5-125.236.485.724.865.625.580.4
(1.07)
2.03
(2.38)
0.78
(1.32)
1.33
(2.16)
1.15
(1.77)
1.14
(1.74)
PE1.5-144.274.54.754.203.264.200.47
(0.90)
0.91
(1.16)
0.69
(1.18)
0.32
(0.63)

(−)
0.60
(0.97)

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