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IBRACON Structures and Materials Journal • 2012 • vol. 5 • nº 5
V. J. FERRARI | J. B. DE HANAI
Table � � Composites a�aly�ed
Matrix
Mortar (A)
Microconcrete (M)
Group Composites
Fiber volume Fiber type Age (days)
E (MPa)
cs
1
CPA
0%
-
29
23.839
2
CPA1A
1%
A
29
22.696
3
CPA1.5A
1.5%
A
29
23.100
4
CPA2A
2%
A
29
23.974
5
CPA1.5A0.5C
1.5%+0.5%
A+C
28
28.217
6
CPA1.5A1.5C
1.5%+1.5%
A+C
28
32.261
7
CPA1.5A2.5C
1,5%+2.5%
A+C
28
31.041
8
CPA1.5A3.5C
1.5%+3.5%
A+C
28
29.137
9
CPM
0%
-
28
35.160
10
CPM1A
1%
A
28
30.551
11
CPM1A1C
1%+1%
A+C
28
26.281
12
CPM1A2C
1%+2%
A+C
28
29.974
13
CPM1A2.5C
1%+2.5%
A+C
28
19.900
a) Mortar composites: cement CP-� A�� P���:sand:�ater/cement � 1:3.0:0.5.
�) Microconcrete composites: cement CP-� A�� P���:sand:gra�e� 0:�ater/cement � 1:2.13:1.83:0.48.
3
c) Mortar composites cement consumption: 512kg/m .
3
d) Microconcrete composites cement consumption: 446kg/m .
Ta��e 2 � Load and resistance according to RILEM [4]
Composite
Loads (kN)
Resistances (MPa)
F
L
F
M
F
R,1
F
R,4
f
fct,L
f
eq,2
f
eq,3
f
R,1
f
R,4
CPA
8.00
8.00
1.26
-
2.33
-
-
0.37
-
CPA1A
13.41
13.41
12.46
5.22
3.87
3.31
2.58
3.60
1.51
CPA1.5ª
13.15
16.10
16.01
6.10
3.73
4.58
3.16
4.54
1.73
CPA2A
14.50
17.59
17.35
7.59
4.56
5.53
4.20
5.45
2.38
CPA1.5A0.5C
16.41
17.78
17.23
9.32
4.58
4.94
3.98
4.79
2.61
CPA1.5A1.5C
16.01
20.95
20.91
9.42
4.79
6.46
4.80
6.25
2.81
CPA1.5A2.5C
22.12
23.68
23.49
12.79
6.13
6.49
4.97
6.51
3.55
CPA1.5A3.5C
20.03
21.42
20.79
6.08
5.52
5.66
3.75
5.73
1.68
CPM
14.19
14.19
1.25
-
4.04
-
-
0.36
-
CPM1A
12.05
12.05
7.53
3.69
3.32
1.97
1.58
2.07
1.02
CPM1A1C
17.63
18.53
16.92
7.47
5.17
5.06
3.73
4.96
2.19
CPM1A2C
19.37
21.94
19.73
8.04
5.54
5.73
4.13
5.65
2.30
CPM1A2.5C
10.03
10.03
6.34
2.26
2.95
1.54
1.07
1.86
0.66
F � �ig�est �a��e of t�e �oad in t�e inter�a� �CM��� of 0.05 mm;
L
F � ma�im�m �oad of composite;
M
F e F � resid�a� �oads corresponding to t�e def�ections
δ
= 0.46 mm and
δ
= 3.00 mm;
R,1
R,4
R1
R4
f - stress corresponding to F ;
fct,L
L
f e f � eq�i�a�ente f�e��ra� tensi�e strengt�s;
eq,2
eq,3
f e f � resid�a� f�e��ra� tensi�e strengt�s.
R,1
R,4