Perkuatan struktur dengan sistem FRP (Fibre Reinforced Polymer)

1. MBrace™
Composite Strengthening System
An Advanced Technique in Retrofitting
MBT (Singapore) Pte Ltd

2. 2
Introduction
Collapse of Hotel New World
15th March 1986
Underdesign
Shoddy
Workmanship
Corner Cutting

3. 3
Introduction
921Taiwan Earthquake
Major Earthquake with
magnitude of 7.6 on the
Richter scale

4. 4
Introduction
Coverage of Presentation
• Why Strengthening?
• Conventional Strengthening Techniques
• MBraceTM
Composite Strengthening System
– Features & Benefits
– Areas and Ways of application
– Installation Procedure
– Basic Design Understanding
– Research and Testing
– Some Completed Projects

5. 5
Introduction
Why Strengthening?
ERRORS IN DESIGN STAGE
• Design Errors
– Loading Specification
– Material Specification
– Change of Code
• Drafting Errors
• Assumption Errors
SERVICE STAGE
• Overloading
• Change of use
• Upgrading
• Environmental factors
• Earthquake/Seismic forces
• Lack of regular
maintenance
• Concrete deterioration
• Bomb blast
CONSTRUCTION ERRORS
• Poor Construction Practices
– Insufficient compaction
– Inadequate curing time
• Poor Workmanship
• Lack of proper supervision

6. 6
Construction
error -
Missing
confinement steel
Corrosion of
reinforcement
steel
Crack
Introduction
Why Strengthening?
Steel reinforcement buckled due
to seismic forces

7. 7
Introduction
Some of the Traditional Strengthening Techniques
STEEL PLATE BONDINGSTEEL PLATE BONDING
JACKETING/ENLARGEMENTJACKETING/ENLARGEMENT
EXTERNAL POST-TENSIONINGEXTERNAL POST-TENSIONING

8. 8
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Strengthen Stabilize
Repair
Strategy?
Load
Carrying
Type?
Passive Active
Strengthening Process

9. 9
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Passive and Active Design
Passive Strengthening
Active Strengthening

10. 10
Strengthening Process
Repair
Strategy
Technique ?
Enlargements
& Overlays
Composite
Construction
Post-
Tensioning
External
Grouting
Internal
Grouting

11. 11
STEEL PLATE BONDING
• Disadvantages
– Bulky set-up
– Labour and Time intensive
– Difficult to align and install
– Design needs to cater for weight of
steel plates
– Requires heavy equipment
– Steel plates need to be tailor made
– Drilling and bolting cause further
distress
Some of the Traditional Strengthening Techniques

12. 12
Some of the Traditional Strengthening Techniques
JACKETING
• Disadvantages
– Bulky set-up with massive formwork
– Labour and Time intensive
– Fairly destructive
– Improper bond between new and
existing concrete
– Different shrinkage rate of old and new
concrete
– Offset from original alignment
Existing profile
Enlarged profile

13. 13
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Compressive
Upgrade
Strengthening
Techniques
before...
12

14. 14
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Compressive
Upgrade
Strengthening
Techniques
...after
3

15. 15
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Flexural
Upgrade
Strengthening
Techniques
New reinforcement

16. 16
Some of the Traditional Strengthening Techniques
EXTERNAL POST-TENSIONING
• Disadvantages
– Labour and Time intensive
– Requires special equipment
– Requires specialised skills
– Requires easy access to work area
– Fairly destructive
– Uneven surface finish
– Offset from original alignment
– May not be aesthetically acceptable

17. 17
An Advanced Technique
in Retrofitting
MBrace™
Composite Strengthening System

18. 18
Fiber Reinforcement Technology
25 years in Aerospace
Low weight
High tensile strength
Non corrosive
Easy installation

19. 19
MBraceTM
Composite Strengthening System
History of Composite Strengthening
• Used in the aerospace and
manufacturing industry for 25 years
• Used in structural strengthening for
more than 10 years.

20. 20
Strengthening Application
Change in use
Construction or design defects
Code changes
Seismic retrofit

21. 21
Fiber
Reinforced
Polymer

22. 22
Types of Fiber

23. 23
MBraceTM
Composite Strengthening System
Introduction to Composite Strengthening
Fibre
Polymer Matrix
MBraceTM
Composite Strengthening System

24. 24
MBraceTM
Composite Strengthening System

25. 25
MBrace Composite Strengthening
System
MBrace Primer
MBrace Putty
MBrace Saturant
MBrace Carbon Fiber
MBrace Topcoat (optional)

26. 26
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Carbon Fiber

27. 27
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Fiber Material Behaviour
0
1000
2000
3000
4000
Tensile Strain (in./in.)
TensileStress(MPa)
Carbon
Aramid
Glass
0.000 0.010 0.020 0.030 0.040 0.050 0.060

28. 28
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Primer, Putty & Saturant

29. 29
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Mixing

30. 30
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Tools

31. 31
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er

32. 32
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
1. Roll MBrace Primer1. Roll MBrace Primer
2. Level Surfaces with2. Level Surfaces with
MBrace PuttyMBrace Putty
3. Apply First Coat of3. Apply First Coat of
MBrace SaturantMBrace Saturant
Easy InstallationEasy Installation

33. 33
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
4. Apply MBrace Fiber4. Apply MBrace Fiber
ReinforcementReinforcement
6. Apply Optional6. Apply Optional
MBrace TopcoatMBrace Topcoat
5. Apply Second Coat5. Apply Second Coat
of MBrace Saturantof MBrace Saturant
Easy InstallationEasy Installation

34. 34
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
Design Thickness 0.0065 in.
Tensile Strength 3.3 K/in.
Tensile Strength
for Design
505 Ksi
Tensile Modulus
for Design
33 Msi
Ultimate Elongation 1.5%
Physical Properties
of CF Sheet

35. 35
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
MBrace vs. Conventional Upgrade
Bonded Steel Plate
0.5 cm bolted plate
110 kg dead load
Placed by lift truck
Member Enlargement
2 #20 rebar, 10 cm grout
1,125 kg dead load
Formed and cured
FRP Sheet
1 layer resin bonded
2.7 kg dead load
Placed by hand
Simply supported beam; 35% upgrade in live load

36. 36
Constructio
n
Chemicals
07 / 2006
– Klaus
Kamhub
er
FRP Repair Strategies
Ductile behavior
Deflection
Load Beam with Composite
Original beam
B
C
A D
SL
SL
UL

37. 37
Principle of MBraceTM
Strengthening
Confinement Detailing - Circular Column

38. 38
Principle of MBraceTM
Strengthening
Confinement Detailing - Square & Rectangular Column

39. 39
MBrace Composite Strengthening System
Final View
Steel-plate Bonding Jacketing MBraceTM
System

40. 40
MBraceTM
Composite Strengthening System
Strengthening Philosophy in MBraceTM
3 Key Features
in the Two-Part Polymer System…
… MBraceTM
Primer &
MBraceTM
Saturant

41. 41
MBraceTM
Composite Strengthening System
Strengthening Philosophy in MBraceTM
#1 Low Viscosity MBraceTM
Primer to penetrate
micro-cavities in concrete substrate
Anchoring into concrete
Stronger adhesion bond

42. 42
MBraceTM
Composite Strengthening System
Strengthening Philosophy in MBraceTM
#2 Compatible MBraceTM
Primer and MBraceTM
Saturant to form effective polymer matrix
Fully integrated
Proper load transfer to fibres Concrete Failure

43. 43
MBraceTM
Composite Strengthening System
Strengthening Philosophy in MBraceTM
#3 Coloured MBraceTM
Saturant to indicate complete
impregnation of fibres with the saturant
Fully impregnated
Proper protection to fibres
Proper distribution of loads
Carbon Fibre
E-Glass Fibre

44. 44
MBraceTM
Composite Strengthening System
Introduction to the MBraceTM
MBraceTM
Fibre Reinforcement System
E-Glass Fibre Carbon Fibre

45. 45
Buildings
• RC Beams, Columns and Slabs
• RC and Masonry Walls
Bridges
• Beams, Pier and Deck Slabs
Silos, Chimneys and Tanks
Pipes and Tunnels
Marine Structures
• Jetties and Wharves
MBraceTM
Composite Strengthening System
Areas of Application with MBraceTM

46. 46
MBraceTM
Composite Strengthening System
Wall Strengthening with MBraceTM
Strengthening of RC and Masonry Walls to
enhance:-
Flexural Capacity
Shear Capacity
Blast Resistance

47. 47
MBraceTM
Composite Strengthening System
Blast Resistance with MBraceTM
BLAST

48. 48
MBraceTM
Composite Strengthening System
Blast Resistance with MBraceTM
BLAST

49. 49
MBraceTM
Composite Strengthening System
Blast Resistance with MBraceTM
BLAST
Wall without MBraceTM
Failure at
1.5 psi, 108ms

50. 50
MBraceTM
Composite Strengthening System
Blast Resistance with MBraceTM
BLAST
Wall without MBraceTM
NO Failure at
12 psi, 80ms

51. 51
Increases flexural capacity of flexural elements
Increases shear capacity of beams, columns and walls
Increases vertical load-bearing capacity of columns
Increases ductility under cyclic loadings
Increases seismic resistance
Resistance against corrosion
Resistance to crack propagation
Resistance to bomb blast
MBraceTM
Composite Strengthening System
Characteristics of MBraceTM

52. 52
High Strength-to-Weight Ratio
Easy to install and non-destructive
Low labour and less downtime
Does not require heavy and special equipment
Can be used in space-constrained areas
Flexible and able to adapt to various shapes
No off-setting from original alignment
Durable, non-corrosive and able to resist corrosion
No maintenance
MBraceTM
Composite Strengthening System
Advantages of MBraceTM
E-Glass Fibre
Carbon Fibre

53. 53
MBraceTM
Composite Strengthening System
Composite Performance of MBraceTM
Properties
Type of Fibre
Tensile Strength
(min. ASTM D3039)
Tensile Modulus
(min. ASTM D3039)
Ultimate Strain
(min. ASTM D3039)
Thickness/Layer
MBraceTM
EG900
E-Glass
480 N/mm2
28 000 N/mm2
2.0
1.10 mm
MBraceTM
CF130
Carbon
30000 N/mm2
2300 G N/mm2
1.5
0.165 mm

54. 54
Installation Procedure
MBrace™
Composite Strengthening System

55. 55
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM
Repair Concrete Substrate Epoxy to cracks > 0.30mm

56. 56
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM
Corner rounded to radius 20mm

57. 57
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM
Surface Preparation

58. 58
Surface Preparation
• Remove existing
finishes to expose
bare concrete surface
• Concrete surface to be
smoothen to give an
even surface with no
voids or potholes
• Chamfer edges and
corners to a radius of
approximately 20mm
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

59. 59
Application of Primer
• Mix MBraceTM
Primer
Part A and Part B
using a mechanical
mixer for between 1-
2 minutes
• Apply MBraceTM
Primer to prepared
concrete surface
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

60. 60
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM
Prime surface with MBraceTM
Primer

61. 61
Material Preparation
• Fibre sheets are pre-
cut according to the
requirement as per
structural drawings.
• Mix MBraceTM
Saturant Part A and
Part B using a
mechanical mixer for
between 1-2 minutes
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

62. 62
Saturation of Fibre
• Saturate MBraceTM
Fibre
Sheets with MBraceTM
Saturant using a roller or
saturator
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

63. 63
Installation of MBraceTM
• Install pre-saturated MBraceTM
Fibre Sheets onto primed
concrete surface
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

64. 64
MBraceTM
Installed
• Column strengthened using
MBraceTM
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

65. 65
Broadcast sand
• Broadcasting sand onto
strengthened column to
form keys for application of
finishes
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

66. 66
Finishes
• Apply desired finishes to
the strengthened column
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

67. 67
Completion
• Completed strengthening
work
MBraceTM
Composite Strengthening System
Installation Procedure of MBraceTM

68. 68
Standard Detailing
MBrace™
Composite Strengthening System

69. 69
MBraceTM
Composite Strengthening System
Typical MBraceTM
Detailing
Flexural Strengthening
with MBraceTM
Shear Strengthening
with MBraceTM
Axial Strengthening
with MBraceTM

70. 70
MBraceTM
Composite Strengthening System
Shear Strengthening Design
Shear Detailing - Various Configurations
• Strips
• Continuous
• Inclined

71. 71
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Shear Detailing - Wrapping Schemes
Full Wrap “U-wrap” Two sides

72. 72
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Effect of Wrapping Scheme
ShearResistance,Vf(kN)
Cross-Sectional Area of FRP, Af(mm)
Fully Wrap
U-Wrap

73. 73
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Anchorage - Avoid using mechanical fasteners
F

74. 74
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Anchorage - Avoid using turning radii
FRP
not loaded
T
FRP
loaded

75. 75
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Anchorage - MBraceTM
Anchorage System
A
A
A-A
MBraceTM
Anchorage System MBraceTM
Saturant
Fibre Anchor
50mm
∅10

76. 76
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Flexure Detailing - Wrapping Schemes
A
A
A-A
100m
m
100mm
100m
m
B
B
B-B
100mm

77. 77
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Flexure Detailing - Cutoff Points
M=Mu
M=0
≥ ld
f
100100100

78. 78
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Confinement Detailing - Circular Column

79. 79
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Confinement Detailing - Square & Rectangular Column

80. 80
MBraceTM
Composite Strengthening System
Standard Detailing of MBraceTM
Effect of Confinement
AxialCompressiveStress
Plain Concrete
FRP-confined Concrete
Axial Strain, εc εcc
ffd
Ei

81. 81
Strengthening Design
MBrace™
Composite Strengthening System

82. 82
Research & Development
MBrace™
Composite Strengthening System

83. 83
MBraceTM
Composite Strengthening System
Material Testing
Tensile Properties of MBraceTM
- ASTM D3039:95
Shear Bond Strength of MBraceTM
- ASTM C482:81
Adhesion Pull-Out Strength of MBraceTM
- ASTM D4541:93
(adopted)

84. 84
MBraceTM
Composite Strengthening System
Column Testing
Design Ultimate Load = 905 kN
Ultimate Failure Load = 1080 kN
Design Ultimate Load = 1176 kN
Ultimate Failure Load = 1446 kN
Control Specimen Strengthened Specimen
>30% Increase In Axial Capacity

85. 85
MBraceTM
Composite Strengthening System
Beam Testing
Beam strengthened with
MBraceTM
showed increase in shear
capacity
Control B1
Strengthened B2 Anchored B3

86. 86
MBraceTM
Composite Strengthening System
Beam Testing
500
0 5 10 15 20 25
0
100
200
300
400
Load(kN)
Mid-Span Deflection (mm)
Beam B1
Beam B2
Beam B3

87. 87
MBraceTM
Composite Strengthening System
Slab Testing
Cantilever end-span of RC bridge deck slab was tested to
failure
Failed deck slab was repaired and strengthened using
MBraceTM
Strengthened deck slab was loaded and no sign of failure
was shown when the unstrengthened failure load was
reached

88. 106
Tensile Strength Test FRP Carbon CF 130 at
Material & Structure Lab. Civil Eng. Institut
Technology Bandung West Java

89. 108
New Innovation & Development
MBrace™
Composite Strengthening System

90. 109
MBraceTM
Innovation:
MBarTM
System

91. 110
MBraceTM
Composite Strengthening System
Silo, USA
Silo was strengthened with MBraceTM
to increase its load-bearing capacity
and enhance against hoop stresses
Strengthening work was conducted
with no disruption to the daily
operation of the silo

92. 111
MBraceTM
Composite Strengthening System
Silo, USA
Grooves were formed on
concrete substrate for the
installation of MBarTM
Workers cutting grooves
on concrete substrate
View of Silo with prepared
concrete substrate

93. 112
MBraceTM
Composite Strengthening System
Silo, USA
MBarTM
installed onto
concrete substrate of Silo
MBarTM
installed and
MBarTM
Putty applied to
level with surface
Groove for installing MBarTM

94. 113
MBarTM
FRP Reinforcements
Hong Kong LCC206
Fabrication of reinforcement cages for
D-wall using GFRP rods
GFRP Ø32
GFRP Stirrups
Stiffening frame

95. 114
Hong Kong LCC206 (Cont’d)
Fitting GFRP reinforcement cage to
steel frame to be lifted to vertical
position
Stiffening frame

96. 115
Hong Kong LCC206 (Cont’d)
GFRP cage lifted by crane and lowered into
excavated hole for construction of D-wall
16m long GFRP
Reinforcement Cage

97. 116
MBarTM
FRP Reinforcements
Delhi Metro, India
GFRP was used as
reinforcement to replace
conventional steel for the
soft-eye.
GFRP is ideal for TBM to cut
through easily without
damaging it.
⇒Less labour
⇒Less downtime
⇒Less work constraints
⇒Lower overall project cost
Delhi Metro

98. 117
MBarTM
FRP Reinforcements
C822 Circleline Project, Singapore
MBarTM
GFRP rods used
as temporary
reinforcement at soft-eye
region of diaphragm wall
for link sewer tunnelling
interface
MBarTM
GFRP rods
chosen due to:
⇒Easy to cut by TBM
⇒Light-weight
⇒Easy to handle
⇒Less construction time
⇒High tensile strength
Soft-eye region to be
reinforced with MBarTM
GFRP
rods

99. 118
Install of MBarTM
GFRP rods to
replace conventional steel
reinforcements at soft-eye region
Steel tie
used to
secure
MBarTM
MBarTM
FRP Reinforcements
C822 Circleline Project, Singapore

100. 119
Sutherland Metro
CFRP rods used as soil nails to create steep-
sided cuttings for new railway in an urban area.
CFRP rods chosen due to:
⇒High resistant to wide variety of
aggressive environments.
⇒Light-weight; 3.5% of the weight
of an equivalent strength steel
rods
⇒Easy to handle
⇒Reduced construction time
⇒Reduced costs of about 10%
⇒High tensile strength

101. 120
Sutherland Metro (Cont’d)
Surcharge
Maximum required
restoring force
Active Passive
Soil Nails

102. 121
114mm Drilled Hole
200mm thk
Vegetation Layer
Sutherland Metro (Cont’d)
Cementitious Grout (W/C:0.45)
Min. Strength 35N/mm2
at 28 Days
1 layer of Geogrid
laid on soil surfaceRC Face Plate
400x400x70mm thk
bedded on 2:1 Mortar
Voids & Empty Hole
packed with 2:1 Mortar
16mm Dia.
CFRP Rod
Wedge Grip
Mechanism

103. 122
Sutherland Metro (Cont’d)
Using drilling rigs to drill 114mm dia.
hole.
CFRP was inserted into
the drilled holes. Length of
between 3.0 and 10.7 m.
Holes filled under gravity
with grout.

104. 123
Sutherland Metro (Cont’d)
Laying Geogrid unto
soil surface
RC bearing plates installed

105. 124
Sutherland Metro (Cont’d)
Securing plates with wedge grip
mechanism.
Filling voids with mortar.

106. 125
Sutherland Metro (Cont’d)
Honeycomb of hessian ribbon formed on
slope before filling the cells with topsoil.

107. 126
Completed Projects
MBrace™
Composite Strengthening System

108. 127
BEAM STRENGTHENING
MBrace™
Composite Strengthening System

109. 128
MBraceTM
Project: Flexure & Shear Strengthening for Beam
Compass Rose Restaurant in
Raffles City S. C., Singapore
Strengthening using MBraceTM
due to change in use.
New RC slabs added to close up
void after removal of existing
RC staircase linking two floors.

110. 129
MBraceTM
Project: Flexure & Shear Strengthening for Beam
Compass Rose Restaurant in
Raffles City S. C., Singapore
Casting of new RC slab after
strengthening of RC beam with
MBraceTM
Installing MBraceTM
onto RC beam to
increase flexural capacity

111. 130
MBraceTM
Project: Flexure & Shear Strengthening for Beam
Compass Rose Restaurant in
Raffles City S. C., Singapore
Strengthening for shear using
MBraceTM
Bolting of steel plate to strengthened
RC beam

112. 131
MBraceTM
Project: Flexure Strengthening for Beam
Convention Center in Oklahoma City, USA
Strengthening
using
MBraceTM
to
increase
flexural capacity
Change in use
due to addition
loads from
exhibition events
on trucks and
heavy machines

113. 132
Installing of MBraceTM
to main beam
Installing MBraceTM
to
joist beams
MBraceTM
Project: Flexure Strengthening for Beam
Convention Center in Oklahoma City, USA

114. 133
MBraceTM
Project: Flexure Strengthening for Beam
North Vista Secondary School, Singapore
Strengthening
using
MBraceTM
to
increase flexural
capacity of RC
Beams

115. 134
MBraceTM
Project: Flexure Strengthening for Beam
North Vista Secondary School, Singapore
Applying MBraceTM
Primer onto
prepared RC beam surface
Installing MBraceTM
Carbon Fibre
onto RC beam to increase flexural
capacity

116. 135
MBraceTM
Project: Shear Strengthening for Beam
Carpark Structure in South Florida, USA
Strengthening of beams
to increase shear
capacity using
MBraceTM
Steel-plate bonding and
enlargement proposed
initially
But due to space-
constraining and
aesthetic reasons,
MBraceTM
accepted

117. 136
MBraceTM
Project: Shear Strengthening for Beam
Carpark Structure in South Florida, USA
MBraceTM
applied to beam
at direction perpendicular to
shear cracks
MBraceTM
installed
unto RC beam
Project completed with
no disruption and at a
reduced cost to owner

118. 137
COLUMN STRENGTHENING
MBrace™
Composite Strengthening System

119. 138
MBraceTM
Project: Column Strengthening
Upgrading of Marsiling Drive Precinct MUP10, Singapore
Strengthening of RC
columns at first-storey
of HDB flats using
MBraceTM
.
RC columns
strengthening under
HDB’s upgrading and
maintenance to existing
HDB flats.

120. 139
Removal of existing paint
Chamfer corners
Repair defective
plaster
MBraceTM
Project: Column Strengthening
Upgrading of Marsiling Drive Precinct MUP10, Singapore

121. 140
Priming prepared surface
with MBraceTM
Primer
Saturating of MBraceTM
E-Glass Fibre with
MBraceTM
Saturant
Installing
MBraceTM
to RC column
MBraceTM
Project: Column Strengthening
Upgrading of Marsiling Drive Precinct MUP10, Singapore

122. 141
RC columns
strengthened
with
MBraceTM
Composite
Strengthening
System
MBraceTM
Project: Column Strengthening
Upgrading of Marsiling Drive Precinct MUP10, Singapore

123. 142
MBraceTM
Project: Flexure Strengthening for Column
Stadio De Cesena 98, Italy
RC columns in
sports stadium
strengthened to
increase flexural
capacity

124. 143
MBraceTM
Project: Flexure Strengthening for Column
Stadio De Cesena 98, Italy
Crack repair to reinstate
column
Column primed with
MBraceTM
Primer
Column strengthened
with MBraceTM

125. 144
MBraceTM
Project: Flexure Strengthening for Column
Stadio De Cesena 98, Italy
MBraceTM
installed onto RC
columns for flexural strengthening
Strengthened column

126. 145
MBraceTM
Project: Flexure Strengthening for Column
Stadio De Cesena 98, Italy
Strain gauges installed
onto strengthened column
Insitu load testing on column
strengthened with MBraceTM

127. 146
FRP Project: Column Strengthening
Evangel Family Church, Singapore
RC Columns to be strengthened

128. 147
FRP Project: Column Strengthening
Evangel Family Church, Singapore
Priming of concrete substrate
prior to installation
Installation of FRP to RC Column

129. 148
Shear deficiency of
RC columns due to
additional loading
from new roof truss.
Architectural features
of columns must be
preserved
MBraceTM
proposed and
adopted
MBraceTM
Project: Column Strengthening
Conservation of Majestic Theatre, Singapore

130. 149
Shear capacity of
RC columns
enhanced with
MBraceTM
Architectural
features
preserved
Total of 20 RC
columns
strengthened
within a short
period of 10 days
MBraceTM
Project: Column Strengthening
Conservation of Majestic Theatre, Singapore

131. 150
SLAB STRENGTHENING
MBrace™
Composite Strengthening System

132. 151
MBraceTM
Project: Flexure Strengthening for Slab
JTC Summit, Singapore
Strengthening
using
MBraceTM
to
increase flexural
capacity of RC
Slabs

133. 152
MBraceTM
Project: Flexure Strengthening for Slab
JTC Summit, Singapore
Saturating MBraceTM
E-Glass Fibre
using roller
Installing MBraceTM
onto RC slab to
increase negative moment capacity

134. 153
MBraceTM
Project: Flexure Strengthening for Pier Deck
Port Canaveral Pier, USA
Strengthening
using
MBraceTM
to
increase flexural
capacity of RC
Slabs due to
increase in
crane loads
Coastal/Marine
Structures

135. 154
MBraceTM
Project: Flexure Strengthening for Pier Deck
Port Canaveral Pier, USA
Installation of MBraceTM
to soffit of
deck slab

136. 155
WALL STRENGTHENING
MBrace™
Composite Strengthening System

137. 156
MBraceTM
Project: Strengthening for Wall
Residential Apartment, Singapore
Surface preparation prior to the
installation of MBraceTM
Priming of prepared concrete
substrate with MBraceTM
Primer for
installing MBraceTM

138. 157
Applying MBraceTM
EG900 E-Glass
Fibre saturated with MBraceTM
Saturant to the primed concrete
substrate
MBraceTM
Project: Strengthening for Wall
Residential Apartment, Singapore

139. 158
BRIDGES &
OTHER STRUCTURES
MBrace™
Composite Strengthening System

140. 159
MBraceTM
Project: Column Strengthening
Viadotto Calafuria 98, Italy
Bridge pier
strengthened using
MBraceTM
to increase its
load-bearing capacity
Strengthening work was
conducted with no
disruption to traffic flow
of the bridge

141. 160
Column primed with
MBraceTM
Primer and
Saturant
Laying dry MBraceTM
Carbon Fibre vertically to
column
MBraceTM
Project: Column Strengthening
Viadotto Calafuria 98, Italy

142. 161
Apply MBraceTM
Saturant onto
MBraceTM
Carbon Fibre to
impregnate the carbon fibre
Remove protective sheet
from MBraceTM
Carbon Fibre
MBraceTM
Project: Column Strengthening
Viadotto Calafuria 98, Italy

143. 162
Laying dry MBraceTM
Carbon Fibre horizontally
to column
Remove protective sheet
from MBraceTM
Carbon Fibre
MBraceTM
Project: Column Strengthening
Viadotto Calafuria 98, Italy

144. 163
Final adjustment and
alignment of carbon fibre
Apply MBraceTM
Saturant onto
MBraceTM
Carbon Fibre to
impregnate the carbon fibre
MBraceTM
Project: Column Strengthening
Viadotto Calafuria 98, Italy

145. 164
MBraceTM
Project: Bridge Strengthening
Arch Railway Prakanong Bridge, Thailand
Award-Winning Project
50 year old Arch
Railway Bridge
strengthened with
MBraceTM
due to
increase in traffic
volume
8th Annual Projects Awards
ICRI 2000 Project Awards Program
Award of Excellence
Transportation Category

146. 165
Restoration in progress with
no disruption to
transportation of oil
MBraceTM
Project: Bridge Strengthening
Arch Railway Prakanong Bridge, Thailand
Installation of MBraceTM
to bridge
Bridge strengthened
and the architectural
beauty of the bridge is
also preserved.

147. 166
Restoration in progress with no
disruption to transportation of oil
Applying MBraceTM
Saturant to
MBraceTM
Carbon Fibre
MBraceTM
Project: Bridge Strengthening
Arch Railway Prakanong Bridge, Thailand

148. 167
Installation of MBraceTM
to bridge
Bridge
strengthened to
withstand a 40%
increase in live
load and the
architectural
beauty of the
bridge is also
preserved.
MBraceTM
Project: Bridge Strengthening
Arch Railway Prakanong Bridge, Thailand

149. 168
MBraceTM
Project: Bridge Strengthening
Little River Bridge, Australia
80 year old bridge built in
1920 was strengthened
with MBraceTM
to
increase its load-bearing
capacity due to new code
requirement
MBraceTM
was proposed
against steel-plate
bonding and approved!!!
Strengthening completed
within three weeks

150. 169
Level substrate with
MBraceTM
Putty
Prime substrate with
MBraceTM
Primer
Installing MBraceTM
to soffit of beam
MBraceTM
Project: Bridge Strengthening
Little River Bridge, Australia

151. 170
MBraceTM
Project: Bridge Strengthening
Bridge G270, Phelps County MO USA
Pilot Project with the
Missouri Department
of Transportation
(MoDOT) to study
the effective of
strengthening bridge
with FRP
Bridge strengthened
to allow removal of
load posting

152. 171
Installing MBraceTM
to soffit of deck
slab
Bridge deck slab strengthened with
MBraceTM
MBraceTM
Project: Bridge Strengthening
Bridge G270, Phelps County MO USA

153. 172
MBraceTM
Project: Bridge Strengthening
Santa Theresa Viaduct, Brazil
Important viaduct
serving heavy traffic
daily
Viaduct needed to be
strengthened to
cater to increase in
traffic load
Required Upgrade
for 45-ton Vehicles

154. 173
MBraceTM
Project: Bridge Strengthening
Santa Theresa Viaduct, Brazil
MBraceTM
installed to soffit of deck
slabs and beams for flexural
strengthening
Viaduct strengthened and
completed with finishes

155. 174
MBraceTM
Project: Bridge Strengthening
Spring Cypress Overpass, Houston TX USA

156. 175
MBraceTM
Project: Bridge Strengthening
Spring Cypress Overpass, Houston TX USA

157. 176
MBraceTM
Project: Bridge Strengthening
Spring Cypress Overpass, Houston TX USA

158. 177
MBraceTM
Project: Bridge Strengthening
I-44 & I-270 Overpass, St. Louis MO USA
Bridge repaired and
strengthened due to
damage by impact
and collision from
vehicles

159. 178
MBraceTM
Project: Bridge Strengthening
I-44 & I-270 Overpass, St. Louis MO USA
Beam reinstated and strengthened
with MBraceTM
Damaged portion of the beam
by vehicles

160. 179
MBraceTM
Project: Bridge Strengthening
Court Street Bridge, Oswego NY USA

161. 180
MBraceTM
Project: Bridge Strengthening
Poplar Street Bridge, Berea HO USA
MBraceTM
used to increase
ductility and seismic
resistance of bridge pier

162. 181
MBraceTM
Project: Crack Repair for Tank
Water Tank in USA
Cracks caused by
insufficient steel
due to design
error
Cracks injected
with epoxy and
MBraceTM
installed
across crack
Cracks

163. 182
MBraceTM
Composite Strengthening System
Final View
Steel-plate Bonding Jacketing MBraceTM
System

164. 183
PROJECT REFERENCES MBRACE SYSTEM
IN INDONESIA
MBrace™
Composite Strengthening System

165. 184
Bridge Beam/Slab ; Increasing traffic volumes

166. 185
PROYEK PERKUATAN GIRDER I PRETENSION
RUAS E-1 SEKSI IV FLY OVER TOL JATI ASIH

167. 186
PERBAIKAN STRUKTUR PASCA GEMPA BUMI GEDUNG KANTOR BANK INDONESIA
Medan
Mbrace CF 130

168. 187
Mbrace CF 130, Discovery Mall Bali

169. 188
Mbrace CF 130 Dago Boutiq, Bandung

170. 189
Mbrace CF 130 Lingkar Selatan Elektronik
Center, Bandung

171. 190
Aplication Mbrace CF 130 at beams structure at Braga
Citywalk Bandung

172. 191
ApplicationMbrace CF130 at Istana Plaza Mall
Bandung

173. 192
Application Mbrace laminate at
South Pacific Viscose
Purwakarta.

174. 193
Mbrace Laminate, Indosat Building Solo

175. 194
END OF PRESENTATION
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