relations for e values and strength of prism and cylinder,strength of prism and strength of...
DESCRIPTION
Relations between E values and strenght of prismTRANSCRIPT
Failure Pattern of CLC Cylinders
BEHAVIOR UNDER COMPRESSION
0.000 0.002 0.004 0.006 0.008 0.0100
2
4
6
8
100.0 0.1 0.2 0.3 0.4 0.5
0.0
15.7
31.4
47.1
62.8
78.5
Macro Fibers under compression
control 0.22% V.F 0.33% V.F 0.44% V.F 0.55% V.F
Lo
ad
(kN
)
Displacement (mm)
Str
ess (
MP
a)
Strain
0.000 0.002 0.004 0.006 0.008 0.0100
2
4
6
8
10
120.0 0.1 0.2 0.3 0.4 0.5
0.0
15.7
31.4
47.1
62.8
78.5
94.2
Macro Fibers Vs Hybrid-fiber
Displacement (mm)
Lo
ad
(kN
)
Str
ess (
MP
a)
Strain
control 0.11%+0.02% 0.22%+0.02% 0.33%+0.02% 0.44%+0.02%
RESULTS
0.000 0.002 0.004 0.006 0.008 0.0100
2
4
6
8
10
120.0 0.1 0.2 0.3 0.4 0.5
0.0
15.7
31.4
47.1
62.8
78.5
94.2
Hybrid-fiber under compression
Displacement (mm)
Lo
ad
(kN
)
Str
ess
(M
Pa
)
Strain
controls 0.11%+0.02% 0.22%+0.02% 0.33%+0.02% 0.44%+0.02%
BEHAVIOR UNDER COMPRESSION
Series Specimen
Peak Compressive Strength (MPa) Mean
CompStrength (MPa)
Std Dev
CTI
(10-3)
1 2 3 4 5
IControl 4.00 4.04 3.83 4.18 3.41 3.89 0.30 6.99
II (only
macro)
ma-0.2-mi-0.0 6.19 4.82 7.21 6.18 5.28 5.94 0.92 47.20
ma-0.3-mi-0.0 6.52 5.41 7.67 5.24 5.95 6.16 0.98 54.90
ma-0.4-mi-0.0 6.04 7.35 6.21 6.55 6.78 6.58 0.52 66.00
ma-0.5-mi-0.0 7.11 5.31 6.42 6.71 6.9 6.49 0.71 63.50
III (hybrid)ma-0.1-mi-0.02 3.95 3.86 3.93 - - 3.91 0.15 57.55
ma-0.2-mi-0.02 5.98 6.43 7.62 - - 6.67 0.84 68.27
ma-0.3-mi-0.02 7.35 8.96 8.86 - - 8.39 0.90 72.13
ma-0.4-mi-0.02 7.30 8.02 10.0 - - 8.44 1.40 78.46CTI* -Compressive Toughness Index
RESULTS
Masonry behavior under compression
BEHAVIOR OF MASONRY PRISMS UNDER COMPRESSION
RESULTS
0.000 0.002 0.004 0.006 0.008 0.0100
1
2
3
4
5
6
0.00 0.24 0.48 0.72 0.96 1.20
0
30
60
90
120
150
180Masonry macro fibers under comp
Loa
d (k
N)
Displacement (mm)
Str
ess
(MP
a)
Strain
0.55% 0.44% 0.33% 0.22% Controls
0.000 0.002 0.004 0.006 0.008 0.0100
1
2
3
4
5
6
0.00 0.24 0.48 0.72 0.96 1.20
0
30
60
90
120
150
180Masonry hybrid fibers under comp
Loa
d (k
N) Displacement (mm)
Str
ess
(MP
a)
Strain
0.44%+0.02% 0.33%+0.02% 0.22%+0.02% 0.11%+0.02% Control
0.000 0.002 0.004 0.006 0.008 0.0100
1
2
3
4
5
6
0.00 0.24 0.48 0.72 0.96 1.20
0
30
60
90
120
150
180Masonry hybrid vs macro fibers under comp
Lo
ad
(kN
)
Displacement (mm)
Str
ess (
MP
a)
Strain
0.44%+0.02% 0.44% 0.22%+0.02% 0.22% Control
0.000 0.002 0.004 0.0060
1
2
3
4
5
6
7
8
Control prism vs control components under comp
Str
ess
(M
Pa
)
Strain
Mortar Block Prism
Masonry behavior under compression
BEHAVIOR OF MASONRY PRISMS UNDER COMPRESSION
RESULTS
0.000 0.002 0.004 0.006 0.008 0.0100
1
2
3
4
5
6
7
8
Prism macro fibers vs control components under comp
Str
ess (
MP
a)
Strain
mortar controls block controls prism 0.44% 0.22%
0.000 0.002 0.004 0.006 0.008 0.0100
1
2
3
4
5
6
7
8
Prism hybrid vs macro fibers vs control components under comp
Str
ess
(M
Pa
)
Strain
mortar controls block controls prism 0.44%+0.02% prism 0.44% prism
• The Peak strength shifts from being closer to the block to that of the centre portion between mortar and block.
• The stiffness of unreinforced prism was lesser that of unreinforced block.
• By adding fiber reinforcement the stiffness gets improved and now lies between that of mortar and block.
BEHAVIOR UNDER COMPRESSION
CTI* -Compressive Toughness Index
RESULTS
Series Specimen
Peak Compressive strength(MPa) Mean
Comp Strengt
h(MPa)
Std.Dev
(MPa)
CTI(10-3)
1 2 3
I Control 4.11 3.78 - 3.87 0.23 14.69
II (only Macro)
ma-2-mi-0.0 4.40 3.73 4.03 4.05 0.33 29.00
ma-3-mi-0.0 4.73 4.02 5.21 4.73 0.61 36.68
ma-4-mi-0.0 4.99 5.37 4.69 5.04 0.34 42.43
ma-5-mi-0.0 5.66 4.26 4.89 4.96 0.69 42.72
III (hybrid)
ma-1-mi-0.2 3.77 3.18 4.87 3.96 0.85 28.57
ma-2-mi-0.2 4.18 4.29 - 4.23 0.08 32.93
ma-3-mi-0.2 5.18 5.43 3.86 4.85 0.84 39.28
ma-4-mi-0.2 6.34 4.52 5.99 5.62 0.96 44.24
