ACI 546.2R 10:2010 Edition
$37.65
546.2R-10 Guide to Underwater Repair of Concrete
| Published By | Publication Date | Number of Pages |
| ACI | 2010 | 36 |
This document provides guidance on the selection and application of materials and methods for the repair and strengthening of concrete structures under water. An overview of materials and methods for underwater repair is presented as a guide for making a selection for a particular application. References are provided for additional information about selected materials and construction methods. Keywords: anti-washout; cathodic protection; concrete removal; deterioration; diver; formwork; marine placement; pile-jackets; polymer(s); repair; surface preparation; tremie; underwater.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 3 | CONTENTS CONTENTS |
| 4 | CHAPTER 1— GENERAL CHAPTER 1— GENERAL 1.1— Introduction 1.1— Introduction 1.2—Scope 1.2—Scope 1.3—Underwater access technology 1.3—Underwater access technology |
| 6 | CHAPTER 2— NOTATION AND DEFINITIONS CHAPTER 2— NOTATION AND DEFINITIONS 2.1— Notation 2.1— Notation 2.2—Definitions 2.2—Definitions |
| 7 | CHAPTER 3— CAUSES OF DETERIORATION CHAPTER 3— CAUSES OF DETERIORATION 3.1— Deficient construction practices 3.1— Deficient construction practices 3.2—Marine organisms 3.2—Marine organisms 3.2.1 Rock borers 3.2.1 Rock borers 3.2.2 Acid attack from acid-producing bacteria 3.2.2 Acid attack from acid-producing bacteria 3.3—Chemical attack 3.3—Chemical attack |
| 8 | 3.3.1 Acid attack 3.3.1 Acid attack 3.3.2 Sulfate attack 3.3.2 Sulfate attack 3.3.3 Magnesium ion attack 3.3.3 Magnesium ion attack 3.3.4 Soft water attack 3.3.4 Soft water attack 3.3.5 Internal attack 3.3.5 Internal attack 3.4—Corrosion 3.4—Corrosion 3.4.1 Introduction 3.4.1 Introduction 3.4.2 The corrosion process 3.4.2 The corrosion process |
| 9 | 3.5—Mechanical damage 3.5—Mechanical damage 3.5.1 Impact 3.5.1 Impact 3.5.2 Abrasion 3.5.2 Abrasion 3.5.3 Cavitation 3.5.3 Cavitation 3.5.4 Damage due to loads 3.5.4 Damage due to loads 3.6—Freezing and thawing damage 3.6—Freezing and thawing damage |
| 10 | 3.7—Salt scaling 3.7—Salt scaling 3.8—Scour 3.8—Scour CHAPTER 4— INVESTIGATION AND EVALUATION CHAPTER 4— INVESTIGATION AND EVALUATION 4.1— Introduction 4.1— Introduction 4.1.1 Planning the investigation 4.1.1 Planning the investigation 4.1.2 Recording inspection notes 4.1.2 Recording inspection notes 4.2—Visual inspection 4.2—Visual inspection |
| 11 | 4.3—Tactile inspection 4.3—Tactile inspection 4.4—Underwater nondestructive testing of concrete 4.4—Underwater nondestructive testing of concrete 4.4.1 Soundings 4.4.1 Soundings 4.4.2 Ultrasonic pulse velocity 4.4.2 Ultrasonic pulse velocity 4.4.3 Magnetic reinforcing bar locator 4.4.3 Magnetic reinforcing bar locator 4.4.4 Rebound hammer 4.4.4 Rebound hammer 4.4.5 Echosounders 4.4.5 Echosounders |
| 12 | 4.4.6 Side-scan sonar 4.4.6 Side-scan sonar 4.4.7 Scanning sonar 4.4.7 Scanning sonar 4.4.8 Multi-beam sonar 4.4.8 Multi-beam sonar 4.4.9 Radar 4.4.9 Radar |
| 13 | 4.4.10 Underwater acoustic profilers 4.4.10 Underwater acoustic profilers 4.5—Sampling and destructive testing 4.5—Sampling and destructive testing 4.5.1 Cores 4.5.1 Cores 4.5.2 Other sampling techniques 4.5.2 Other sampling techniques 4.5.3 Sampling considerations for cores used in petrographic,spectrographic, and chemical analysis 4.5.3 Sampling considerations for cores used in petrographic,spectrographic, and chemical analysis 4.5.4 Sampling considerations for cores for testing to ASTM C42/C42M 4.5.4 Sampling considerations for cores for testing to ASTM C42/C42M 4.6—Evaluation 4.6—Evaluation 4.6.1 Deciding what actions to take 4.6.1 Deciding what actions to take |
| 14 | CHAPTER 5— PREPARATION FOR REPAIR CHAPTER 5— PREPARATION FOR REPAIR 5.1— General 5.1— General 5.2—Excavation and debris removal 5.2—Excavation and debris removal 5.2.1 Conventional excavation equipment 5.2.1 Conventional excavation equipment 5.2.2 Airlifting 5.2.2 Airlifting 5.2.3 Jetting 5.2.3 Jetting 5.2.4 Dredging 5.2.4 Dredging 5.3—Concrete removal 5.3—Concrete removal 5.3.1 High-pressure water jets 5.3.1 High-pressure water jets |
| 15 | 5.3.2 Pneumatic- or hydraulic-powered impact breakers 5.3.2 Pneumatic- or hydraulic-powered impact breakers 5.3.3 Pneumatic- or hydraulic-powered saws 5.3.3 Pneumatic- or hydraulic-powered saws 5.3.4 Wire saws 5.3.4 Wire saws 5.4—Surface preparation 5.4—Surface preparation 5.4.1 High-pressure water jet 5.4.1 High-pressure water jet 5.4.2 Abrasive blasting 5.4.2 Abrasive blasting 5.4.3 Mechanical scrubbers 5.4.3 Mechanical scrubbers 5.5—Reinforcement preparation 5.5—Reinforcement preparation |
| 16 | 5.6—Concrete anchors 5.6—Concrete anchors CHAPTER 6— FORMWORK CHAPTER 6— FORMWORK 6.1— General 6.1— General |
| 17 | 6.2—Rigid forms 6.2—Rigid forms 6.2.1 Definition and description 6.2.1 Definition and description 6.2.2 Typical applications 6.2.2 Typical applications 6.2.2.1 Prefabricated steel plates 6.2.2.1 Prefabricated steel plates 6.2.2.2 Precast concrete forms 6.2.2.2 Precast concrete forms |
| 18 | 6.2.2.3 Underwater rigid forms for piles 6.2.2.3 Underwater rigid forms for piles 6.3—Semi-rigid forms 6.3—Semi-rigid forms 6.3.1 Description and materials 6.3.1 Description and materials 6.3.2 Typical applications 6.3.2 Typical applications |
| 19 | 6.4—Flexible forms 6.4—Flexible forms 6.4.1 Description 6.4.1 Description 6.4.2 Materials 6.4.2 Materials 6.4.3 Typical applications 6.4.3 Typical applications 6.4.4 Advantages 6.4.4 Advantages |
| 20 | 6.4.5 Disadvantages 6.4.5 Disadvantages 6.4.6 Installation procedures 6.4.6 Installation procedures |
| 21 | CHAPTER 7— MATERIALS AND METHODS CHAPTER 7— MATERIALS AND METHODS 7.1— General considerations 7.1— General considerations 7.2—Anti-washout admixtures 7.2—Anti-washout admixtures |
| 22 | 7.3—Preplaced-aggregate concrete 7.3—Preplaced-aggregate concrete 7.3.1 Definition and description 7.3.1 Definition and description 7.3.2 Materials 7.3.2 Materials 7.3.3 Typical applications 7.3.3 Typical applications 7.3.4 Selection considerations 7.3.4 Selection considerations 7.3.5 Installation procedures 7.3.5 Installation procedures |
| 23 | 7.4—Tremie concrete 7.4—Tremie concrete 7.4.1 Definition and description 7.4.1 Definition and description 7.4.2 Materials 7.4.2 Materials 7.4.3 Typical uses 7.4.3 Typical uses 7.4.4 Selection considerations 7.4.4 Selection considerations 7.4.5 Installation procedures 7.4.5 Installation procedures 7.5—Pumped concrete and grout 7.5—Pumped concrete and grout 7.5.1 Definition and description 7.5.1 Definition and description 7.5.2 Materials 7.5.2 Materials |
| 24 | 7.5.3 Typical uses 7.5.3 Typical uses 7.5.4 Selection considerations 7.5.4 Selection considerations 7.5.5 Installation procedures 7.5.5 Installation procedures 7.6—Free dump through water 7.6—Free dump through water 7.6.1 Definition and description 7.6.1 Definition and description 7.6.2 Materials 7.6.2 Materials |
| 25 | 7.6.3 Typical uses 7.6.3 Typical uses 7.6.4 Selection considerations 7.6.4 Selection considerations 7.6.5 Installation procedure 7.6.5 Installation procedure 7.7—Epoxy grouting 7.7—Epoxy grouting 7.7.1 Definition and description 7.7.1 Definition and description 7.7.2 Materials 7.7.2 Materials 7.7.3 Typical uses 7.7.3 Typical uses 7.7.4 Selection considerations 7.7.4 Selection considerations |
| 26 | 7.7.5 Installation procedures 7.7.5 Installation procedures 7.8—Epoxy injection 7.8—Epoxy injection 7.8.1 Description and definition 7.8.1 Description and definition |
| 27 | 7.8.2 Materials 7.8.2 Materials 7.8.3 Typical uses 7.8.3 Typical uses 7.8.4 Selection considerations 7.8.4 Selection considerations 7.8.5 Installation procedure 7.8.5 Installation procedure |
| 28 | 7.9—Gloved-hand placement 7.9—Gloved-hand placement 7.9.1 Description and definition 7.9.1 Description and definition 7.9.2 Cementitious products 7.9.2 Cementitious products 7.9.3 Epoxy mortar products 7.9.3 Epoxy mortar products 7.10—Geomembrane systems 7.10—Geomembrane systems 7.10.1 Description and definition 7.10.1 Description and definition 7.10.2 Materials 7.10.2 Materials 7.10.3 Typical uses 7.10.3 Typical uses 7.10.4 Selection considerations 7.10.4 Selection considerations 7.10.5 Installation procedures 7.10.5 Installation procedures |
| 29 | 7.11—Cathodic protection 7.11—Cathodic protection 7.11.1 Definition and description 7.11.1 Definition and description 7.11.2 Materials 7.11.2 Materials 7.11.3 Typical uses 7.11.3 Typical uses 7.11.4 Selection considerations 7.11.4 Selection considerations 7.11.5 Installation procedures 7.11.5 Installation procedures 7.12—Fiber-reinforced polymers 7.12—Fiber-reinforced polymers 7.12.1 Definition and description 7.12.1 Definition and description 7.12.2 Materials 7.12.2 Materials |
| 30 | 7.12.3 Typical uses 7.12.3 Typical uses 7.12.4 Selection considerations 7.12.4 Selection considerations 7.12.5 Installation procedures 7.12.5 Installation procedures CHAPTER 8— INSPECTION OF REPAIRS CHAPTER 8— INSPECTION OF REPAIRS 8.1— Introduction 8.1— Introduction 8.2—Procedure 8.2—Procedure 8.2.1 Inspection techniques 8.2.1 Inspection techniques 8.2.2 Inspection during construction 8.2.2 Inspection during construction 8.2.3 Post-construction inspection 8.2.3 Post-construction inspection 8.3—Documentation 8.3—Documentation 8.3.1 8.3.1 |
| 31 | CHAPTER 9— REFERENCES CHAPTER 9— REFERENCES 9.1— Referenced standards and reports 9.1— Referenced standards and reports 9.2—Cited references 9.2—Cited references |
Related products
-
ACI 546.2R 2020
ACI 546.2R-20: Guide to Underwater Repair of Concrete Published By Publication Date Number of Pages…
