Concrete Repair-Perbaikan Beton
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![Page 1: Concrete Repair-Perbaikan Beton](https://reader034.fdocuments.net/reader034/viewer/2022052210/55a97ec81a28ab99668b47e2/html5/thumbnails/1.jpg)
Concrete Repair
Perbaikan Beton
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Perawatan/Pemeliharaan yang Tepat Guna Atas Beton adalah Sangat Penting demi untuk Menjamin Masa Pakai. Hal Ini Karena Ada Begitu Banyaknya Penyebab Kerusakan Beton. Oleh Karena Itu, Perbaikan Beton Adalah Termasuk Kegiatan Khususyang Membutuhkan Tenaga Terdidik/Terlatih dan Kompeten pada Semua Tahap Proses
Kekurangan Dalam Pemahaman dan Dalam Men-diagnosaKerusakan Beton; Spesifikasi Perbaikan yang Tidak Tepat dan Pilihan Produk/Teknik Perbaikan, dan Strategi Jangka Pendek “Patch dan Paint" Menyebabkan Ketidakpuasan dari Para Pemilik Menjadi Tak Terhindarkan
Strategi Perbaikan Beton
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Membuat Beton Menjadi Utuh Kembali
Mengembalikan/Meningkatkan Kekuatan dan Ketahanan
Beton
Memperpanjang Umur Beton (Masa Pakai)
Sasaran dan Tujuan
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Korosi pada Baja/Besi Tulangan (Rebar)
Freeze-Thaw Disintergration
Reaksi Alkali-Agregat (AAR)
Susut Kering
Susut Plastik
Melepuh/Bleeding
Perubahan Fungsi Beton
Life Time
Dan Lain Lain
Penyebab Umum Kerusakan Beton
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Degradasi BetonMekanis
Benturan
Kelebihan Beban
Pergeseran
Ledakan
Getaran
Kimia
Reaksi AAR
Zat Agresif
Aktifitas Biologi
Fisik
Freez/Thaw
Panas
Kristalisasi Garam
Susut
Erosi
Aus
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Kerusakan Beton Akibat Korosi Rebar
KarbonisasiSerangan Chloride
Chloride Saat Pencampuran
De-Icing Salt
Kontaminasi
Arus Listrik
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EN1504
Prinsip Dasar (Azas) Perbaikan
Beton
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Membantu para Pemilik, Insinyur, dan Kontraktor dalam
Memilih Prinsip Perbaikan yang Tepat, Metoda Kerja yang
Tepat dan Kemudian Menentukan Produk yang Tepat
Guna beserta dengan Spesifikasi dan Penggunaannya
Manfaat EN1504
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11 Azas Perbaikan Beton1. [P] Protection against Ingress
2. [MC] Moisture Control
3. [CR] Concrete Restoration
4. [SS] Structural Strengthening
5. [PR] Physical Resistance
6. [RC] Resistance to Chemicals
7. [RP] Restoring Passivity
8. [IR] Incresing Resistivity
9. [CC] Cathodic Control
10. [CP] Cathodic Protection
11. [CA] Control of Anodic Areas
Kegagalan
dan
Kerusakan
Beton
Korosi
Besi/Baja
Tulangan
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Mengurangi atau
Mencegah Masuknya Zat
yang Merugikan, Misalnya
Air, Cairan Lain, Uap, Gas,
Bahan Kimia dan Zat
Biologis
1 [P] Protection against Ingress
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Pengendalian
Kelembaban
2 [MC] Moisture Control
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Mengembalikan
Keutuhan/Integritas Beton
Menjadi Sedia Kala
dengan Cara Mengganti
Bagian Bagian atau
Keseluruhan Beton
3 [CR] Concrete Restoration
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Meningkatkan atau
Memulihkan Daya Dukung
Beban Struktural Beton
(Compressive/Flexural/Tens
ile Strength)
4 [SS] Structural Strengthening
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5 [PR] Physical Resistance
Meningkatkan
Ketahanan Terhadap
Serangan Fisik maupun
Mekanis
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6 [RC] Resistance to Chemicals
Meningkatkan
Ketahanan Permukaan
Beton Terhadap
Kerusakan yang
Diakibatkan oleh Zat
Kimia
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7 [RP] Restoring Passivity
Mengembalikan
Keadaan Permukaan
Besi/Baja Tulangan
Sehingga Menjadi Pasif
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8 [IR] Incresing Resistivity
Meningkatkan Resistensi
Beton Terhadap Listrik
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9 [CC] Cathodic Control Mengendalikan Daerah
Besi/Baja Tulangan yang
Berpotensi Katodik Agar
Tidak
Mendorong/Memicu
Reaksi Anodik
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10 [CP] Cathodic Protection
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11 [CA] Control of Anodic Areas
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Metoda Kerja
Protection against Ingress
• Impregnation
• Surface Coating
• Locally Bandaged/Repaired Cracks
• Filling Cracks/Void
• Transferring Cracks into Joints
• Erecting External Panel
• Applying Waterproof Membrane
Moisture Control
• Hydrophobic Impregnation
• Surface Coating
• Sheltering or Over Cladding
• Electrochemical Treatment
Concrete Restoration
• Applying Mortar by Hand
• Recasting with Concrete
• Spraying Concrete
• Replacing Element
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Metoda Kerja
Structural Strengthening
•Adding or Replacing Rebar
•Installing bonded steel rebars in preformed or drilled holes in the concrete.
•Plate bonding
•Adding mortar or concrete
•Injecting cracks, voids or other interstices
•Filling cracks, voids or interstices
•Prestressing (post-tensioning)
Physical Resistance
•Overlays or coatings
•Impregnation
Resistance to Chemicals
•Overlays or coatings
•Impregnation
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Metoda Kerja
Restoring Passivity
•Increasing cover to reinforcement with additional cementitious mortar or concrete
•Replacing contaminated or carbonated concrete
•Electrochemical realkalisation of carbonated concrete
•Realkalisation of carbonated concrete by diffusion
•Electrochemical chloride extraction
Increasing Resistivity
•Limiting moisture content by surface treatment, coatings or sheltering
Cathodic Control
•Limiting oxygen content (at the cathode) by saturation or surface coating
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Metoda Kerja
Cathodic Protection
•Applying electrical potential
Control of Anodic Areas
•Painting reinforcement with coatings containing active pigments
•Painting reinforcement with barrier coatings
•Applying corrosion inhibitors to the concrete
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Product SelectionSika
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1.1 Impregnations
Sikagard® Range of
Hydrophobic Impregnations
Sikafloor® Range of
Impregnations
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1.2 Surface Coating
Sikagard® Range of Elastic
and Rigid Coatings
Sikafloor® Range of Flooring
Applications
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1.3 Locally Bandaged/Repaired Cracks
Sikadur® Combiflex® System
Sika® SealTape®
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1.4 Filling Cracks/Void
Sika® Injection System
Sikadur® Range
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1.5 Transferring Cracks into Joints
Sikaflex® Range
Sika® Combiflex® System
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1.6 Erecting External Panel SikaTac® Panel System
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1.7 Applying Waterproof Membrane
SikaPlan® Sheet Membranes
Sikalastic® Liquid Membranes
Sika® Raintite®
SikaTop® 107
Sika® Bituseal
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2.1 Hydrophobic Impregnation
Sikagard® Range of
Hydrophobic Impregnations
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2.2 Surface Coating
Sikagard® Range of Elastic
and Rigid Coating
Sikafloor® Range of Floor
Application
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2.3 Sheltering or Over Cladding
SikaTack® Panel System
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2.4 Electrochemical Treatment
N/A
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3.1 Applying Mortar by Hand SikaTop®
Sika Mono Top®
Sikadur®
SikaQuick®
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3.2 Recasting with Concrete SikaGrout®
Sika Mono Top®
Sikacrete® SCC
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3.3 Spraying Concrete/Mortar Sikacrete®
SikaCem®
Sika Mono Top®
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3.4 Replacing Concrete Element Sika® Bonding Primers
Sika® Concrete Technology
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4.1 Adding or Replacing Rebar Sikadur® Range
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4.2 Installing bonded steel rebars in preformed
or drilled holes in the concrete
Sika® AnchorFix®
Sikadur® Range of Addesives
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4.3 Plate Bonding/Structural Fabrics
Sikadur®
Sika® Carbodur®
SikaWrap®
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4.4 Adding Mortar or Concrete SikaGrout®
SikaCrete®
Sika® Repair Mortar
Sika® Bonding Primers
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4.5 Injecting cracks, voids or other
interstices Sika® Injection System
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4.6 Filling Cracks or Voids Sika® Injection System
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4.7 Prestressing/Post Tensioning
Sika® CarboStress®
Sika® Cable Grout
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5.1 Overlays or Coating Sikagard® Reactive Coating
Range
Sikafloor® System
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5.2 Impregnation SikaFloor® Curehard 24
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6.1 Overlays or Coatings
Sikagard® ; Sikafloor®
Reactive Coatings Range
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6.2 Impregnation
Sikafloor® Curehard 24
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7.1 Increasing cover to reinforcement with
additional cementitious mortar or concrete
Sika MonoTop®
SikaTop®
SikaCem®
Sikacrete®
Sika® Epocem®
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7.2 Replacing contaminated or
carbonated concrete
Refer to 3.2; 3.3; 3.4
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7.3 Electrochemical realkalisation of
carbonated concrete
Sikagard® Range for Post
Treatment
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7.4 Realkalisation of carbonated
concrete by diffusion Sikagard® Range for Post
Treatment
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7.5 Electrochemical chloride extraction
Sikagard® Range for Post
Treatment
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8.1 Limiting moisture content by surface
treatment, coatings or sheltering
Sikagard®
Sikafloor®
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9.1 Limiting oxygen content (at the cathode)
by saturation or surface coating
Sikagard®
Sika® FerroGard®
Sikadur® 32
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10.1 Applying Electrical Potential Sika® MonoTop®
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11.1 Painting Rebar with Coatings
containing active pigments
SikaTop® Armatec® 110 EPC
Sika® MonoTop® 910
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11.2 Painting Rebar w/Barrier Coatings
Sikadur® 32
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11.3 Applying corrosion inhibitors to the
concrete Sika® FerroGard®
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Metoda Aplikasi Perbaikan Beton
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Perbaikan Retak Struktural dengan Cara
Epoxy Injection
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Perbaikan Retak dengan Memanfaatkan
Umpan Grafitasi dan Memakai Bahan Resin
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Perbaikan Spall dengan Semprotan
Bertekanan Rendah
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Perbaikan dengan Menggunakan Bekisting dan
Teknik Tuang
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Perbaikan dengan Menggunakan Bekisting
dan Teknik Pemompaan
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Perbaikan Spall Posisi Tegak dan Diatas
Kepala dengan Aplikasi Tangan
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Perbaikan Spall Pada Permukaan Beton
Mendatar
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Pemasangan Anoda Galfanik yang
Tertanam
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Perbaikan Spall dengan Memakai Agregat
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Meratakan dan Profile Ulang Permukaan
Beton yang Tegak dan Diatas Kepala
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Perbaikan Beton dengan Aplikasi Shotcrete
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Pengangkatan Beton dengan Memakai
Hydrodemolition
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Terima Kasih
Semoga Bermanfaat
Salam Sukses