ABSTRACT
Although there are a number of different deteriorating processes that may cause problems to the durability and performance of concrete structures in severe environments, much international experience has been gained in recent years in developing improved procedures and guidelines for control of both alkali-aggregate reaction and freezing and thawing, although such deteriorating processes may still represent a great challenge in many cases. As shown in Chapter 2, however, proper control of chloride ingress and premature corrosion of embedded steel still appear to be great challenges to both the durability design and the operation of concrete structures in severe environments; occasionally, early chloride ingress may also represent a challenge during concrete construction, as demonstrated in Chapter 2. In the following, therefore, ingress of chlorides and corrosion of embedded steel will be outlined and discussed in more detail.
