Om Concrete Corrosion and Concrete Protection
Contents -
Preface to the English edition -
Preface to the German edition -
Introduction -
CHAPTER I. -
The basic materials of concrete -
A) Cements and their resistance to corrosion -
1. The composition of cements -
2. The hydration of cement -
3. The resistance of various cements to chemical attack -
B) Aggregates -
1. Sand -
2. Gravel -
3. Crushed stone -
4. Blast-furnace slag -
5. Coal slag -
6. Other aggregates -
7. Conclusion -
C) Mixing water -
CHAPTER II. -
Groundwater -
A) Engineering hydrology -
1. Determination of the highest groundwater table -
2. Determination of variations in the highest groundwater table -
3. Groundwater flow -
4. Hydrochemical groundwater maps -
B) Groundwater sampling -
C) Soil sampling -
D) The reliability of analytical data of groundwater and soil samples -
E) Investigation of groundwater and soil properties -
CHAPTER III. -
The corrosion and protection of concrete -
A) The investigation of concrete corrosion -
1. Corrosion research
2. Rapid methods of corrosion testing -
3. The performance of corrosion tests -
4. Summary -
B) General aspects of corrosion -
C) Leaching corrosion of concrete due to soft water -
1. The hardness of water and its effect -
2. The effects of soft river water and groundwater in motion -
3. Effects of soft water seeping under pressure -
4. The effect of warm soft water -
5. The effect of cement type -
6. The effect of concrete density -
7. Effect of the concrete surface -
8. Dimensions and age of concrete -
9. Protective measures against the leaching action of water -
D) Concrete corrosion due to attacking compounds -
CHAPTER IV.
Factors increasing or reducing corrosion -
A) Corrosion of concrete due to flowing groundwater -
B) The corrosive effect of warm groundwater -
C) Corrosion due to fluctuations of the groundwater table -
D) Corrosion in the range of evaporation -
E) Thin-walled concrete objects, concrete canals, piles etc -
1. Cases of corrosion -
2. Protective measures -
F) The effect of air oxidation -
G) Microbiological corrosion (caused by sulphur bacteria) -
1. Sulphate-forming bacteria -
2. Sulphate-reducing bacteria -
3. Attempt at bacterial protection of concrete -
4. Iron organisms -
CHAPTER V.
Detailed discussion of protective measures against corrosive effects -
A) Passive protective measures -
1. Selection of the suitable concrete mix and method of placement -
2. Surface treatments -
3. Other methods of protection -
4. Perfect sealing (waterproofing) -
B) Active protective measures -
1. Exclusion of aggressive water -
2. Neutralization of aggressive water by chemical and biological methods -
C) Repair of damaged concrete -
Conclusion -
Bibliography -
Index -
Visa mer