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Page 1: Concrete Repair-Perbaikan Beton

Concrete Repair

Perbaikan Beton

Page 2: Concrete Repair-Perbaikan Beton

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