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Corrosion of Steel in Concrete : Understanding, Investigation and Repair, Second Edition - John P. Broomfield

Corrosion of Steel in Concrete

Understanding, Investigation and Repair, Second Edition

Hardcover Published: 14th December 2006
ISBN: 9780415334044
Number Of Pages: 296

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Corrosion of Steel in Concrete provides information on corrosion of steel in atmospherically exposed concrete structures and serves as a guide for those designing, constructing and maintaining buildings, bridges and all reinforced concrete structures.
This new edition incorporates the new European standards as well as USA and other international standards. It also covers developments in galvanic and impressed current cathodic protection, new electrochemical techniques such as electro-osmosis, and stainless steel clad reinforcing bars.
The corrosion of reinforcing steel in concrete is a major problem facing civil engineers and surveyors throughout the world today. There will always be a need to build structures in corrosive environments and it is therefore essential to address the problems that result. This is a book to educates about and forms a guide to the problems of corrosion, its causes and how to find solutions.

From reviews of the 1st Edition:
'John Broomfield has managed to achieve what many "in the business" have merely talked about; a comprehensive book on the state-of-the-art of reinforced concrete investigation and repair ... there is a wealth of information on viturally every subject imaginable.' - Construction Repair
'The book is extremely successful and is to be recommenced to all professionals and technically orientated owners who have interests in reinforced concrete structures that do, or may, suffer from corrosion damage.' - Corrosion Management
'The book provides comprehensive information on reinforcement corrosion... it should be essential reading for all structural engineers involved with the design of new structures in severe environments.' - The Structural Engineer
'Provides information on the corrosion of steel ... and serves as a guide for those designing, constructing and maintaining buildings, bridges and reinforced-concrete structures.' - Quality Concrete

Prefacep. xi
Illustration creditsp. xiii
Acknowledgementsp. xv
Introductionp. 1
Referencesp. 4
Corrosion of steel in concretep. 6
The corrosion processp. 7
Black rustp. 9
Pits, stray current and bacterial corrosionp. 10
Electrochemistry, cells and half cellsp. 13
Conclusionsp. 15
Referencesp. 15
Causes and mechanisms of corrosion in concretep. 16
Carbonationp. 16
Chloride attackp. 19
Corrosion damagep. 26
Cracks, crack orientation and corrosionp. 28
The synergistic relationship between chloride and carbonation attack, chloride binding and releasep. 29
Referencesp. 30
Condition evaluationp. 31
Desk studyp. 33
Preliminary surveyp. 33
The detailed surveyp. 33
Available techniquesp. 35
Visual inspectionp. 36
Delaminationp. 37
Coverp. 42
Reference electrode (half cell) potential measurementsp. 44
Carbonation depth measurementp. 55
Chloride determinationp. 57
Resistivity measurementp. 63
Corrosion rate measurementp. 70
Permeability and absorption testsp. 83
Concrete characteristics: cement content, petrography, W/C ratiop. 85
Ground penetrating radarp. 85
Ultrasonic pulse velocityp. 88
Impact-echop. 91
Radiographyp. 93
Survey and assessment methodologyp. 95
Special conditions - prestressing and coated rebarsp. 96
Referencesp. 98
Corrosion monitoringp. 103
Regular surveys to monitor corrosionp. 104
Permanent corrosion monitoring systemsp. 104
Remote monitoring systems and data managementp. 111
Referencesp. 111
Physical and chemical repair and rehabilitation techniquesp. 112
Concrete removal and surface preparationp. 113
Patchesp. 119
Coatings, sealers, membranes and barriersp. 123
Encasement and overlaysp. 128
Sprayed concretep. 130
Corrosion inhibitorsp. 130
Standards and guidance on physical and chemical repairp. 136
Referencesp. 137
Electrochemical repair techniquesp. 140
Basic principles of electrochemical techniquesp. 140
Cathodic protectionp. 141
The components of an impressed current cathodic protection systemp. 153
Cathodic protection system designp. 171
Control criteriap. 178
Standards and guidance documents for cathodic protection of steel in concretep. 181
System installationp. 183
Cathodic protection of prestressed concretep. 187
Cathodic protection of epoxy coated reinforcing steelp. 189
Cathodic protection of structures with ASRp. 189
Electrochemical chloride extractionp. 190
Realkalizationp. 198
Standards and guidance for electrochemical chloride extraction and realkalizationp. 199
Electro-osmosisp. 200
Comparison of techniquesp. 201
Referencesp. 203
Rehabilitation methodologyp. 208
Technical differences between repair optionsp. 209
Repair costsp. 209
Carbonation optionsp. 213
Chloride optionsp. 218
Standards and guidance for selection of repairsp. 222
Referencesp. 225
Modelling and calculating corrosion, deterioration and life cycle costing of reinforced concrete structuresp. 227
Activation time T[subscript 0] carbonation induced corrosionp. 227
Chloride ingress rates (initiation)p. 230
Rate of depassivation (activation)p. 233
Activation time T[subscript 1]p. 233
The Clear/Stratfull empirical calculationp. 236
Corrosion without spalling and high corrosion ratesp. 236
Cracking and spalling rates, condition indexes and end of functional service lifep. 236
Summary of methodology to determine service lifep. 238
Diffusion models proposed in literaturep. 238
Referencesp. 241
Design for durabilityp. 244
Cover, concrete and designp. 244
Fusion bonded epoxy coated rebarsp. 247
Waterproofing membranesp. 253
Penetrating sealersp. 255
Galvanized rebarp. 256
Stainless steel reinforcementp. 256
Corrosion inhibitorsp. 257
Installing cathodic protection in new structuresp. 258
Durable buildingsp. 259
Conclusionsp. 259
Referencesp. 261
Future developmentsp. 263
Referencesp. 266
Sources of information on corrosion of steel in concretep. 267
Glossary and indexp. 271
Table of Contents provided by Ingram. All Rights Reserved.

ISBN: 9780415334044
ISBN-10: 0415334047
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 296
Published: 14th December 2006
Publisher: CRC PR INC
Country of Publication: GB
Dimensions (cm): 24.23 x 16.2  x 2.21
Weight (kg): 0.59
Edition Number: 2
Edition Type: New edition