A wealth of recent research into the continued deterioration of reinforced concrete structures has led to a review of methods of investigation and repair techniques. This thoroughly revised and updated edition brings together the fundamental aspects of this world wide problem and offers advice on how investigations, diagnosis and consequent remedial work should be carried out.
Author(s): P. Perkins
Edition: 3
Publisher: Spon Press
Year: 1997
Language: English
Pages: 254
Tags: Промышленное и гражданское строительство;Строительные конструкции;Железобетонные и каменные конструкции;
Cover......Page 1
Title......Page 4
Copyright......Page 5
Contents......Page 6
Preface......Page 19
The responsibilities of the engineer or other professionals......Page 21
Procedure when litigation is comtemplated......Page 22
The engineer as an expert witness......Page 24
The contract documents......Page 27
Invitations to tender......Page 28
National and european standards and codes of practice......Page 29
Definitions......Page 32
Further reading......Page 33
Introduction......Page 36
Portland cements......Page 37
High alemina cement (HAC)......Page 39
Corrosion-resistant cements......Page 41
Aggregates from natural sources for concrete and mortar......Page 42
Admixtures......Page 43
Additions......Page 47
Water for mixing concrete and mortar......Page 50
Steel reinforcement......Page 51
Non-ferrous metals in concrete......Page 54
Joint fillers......Page 56
Sealants......Page 57
Reactive resins......Page 59
Further reading......Page 63
Introduction......Page 66
Corrosion of steel reinforcement in concrete......Page 67
Deterioration of the concrete......Page 71
Physical damage......Page 72
Chemical attack on concrete......Page 75
Further reading......Page 86
General outline of the procedure......Page 88
The preliminary inspection......Page 89
Detailed inspection, sampling and testing......Page 90
Tests for the detection and diagnosis of reinforcement corrosion......Page 97
Cracking in reinforced concrete structures......Page 102
The engineer's report to the client......Page 109
Further reading......Page 110
Preparations for remedial work......Page 111
The execution of the repairs......Page 113
Further reading......Page 120
Introduction......Page 122
Investigations for structural defects......Page 123
Crack injection......Page 127
Repairs using epoxy-bonded steel plates......Page 131
Cathodic protection of reinforcement......Page 132
Re-alkalization and chloride extraction......Page 135
Monitoring corrosion of rebars after completion of repairs......Page 136
Introduction......Page 137
The effect of fire on concrete and steel reinforcement......Page 138
On-site testing......Page 140
Execution of repairs......Page 141
Introduction......Page 143
Investigations......Page 144
Sampling and testing......Page 147
Cracks and cracking......Page 148
Alkali-silica reaction......Page 150
Repairs......Page 151
Introduction......Page 154
Examples of repair......Page 156
Further reading......Page 158
Introduction......Page 162
Resons for using coating as part of concrete repairs......Page 164
Basic requirements for the application of all coatings......Page 165
Coatings for use after general repairs to concrete......Page 166
Coatings to resist the ingress of chloride ions......Page 169
Coatings (barrier systems) to protect concrete against chemical attack......Page 170
Coating to inhibit the formation of efflorescence......Page 171
Further reading......Page 172
Investigations......Page 173
Diagnosis and recommendations for repair......Page 174
Special problems......Page 187
Floors of multi-storey car parks......Page 190
Introduction......Page 192
Investiations......Page 193
Remedial work......Page 195
Further reading......Page 197
Investigations......Page 199
Repairs and remedial work......Page 212
Special repair methods......Page 219
Introduction......Page 221
Tracing infiltraction and dampness/condensation......Page 223
Repair methods......Page 225
Other remedial measures: basements......Page 227
Pedestrian subways......Page 229
Consideration of the problems......Page 231
Causes of deterioration......Page 234
Investigations......Page 238
Methods of repair......Page 239
Further reading......Page 241
Index......Page 243