Case studies are in depth examinations for the variety of failures in reinforced concrete buildings. There are several of them: corrosion, poor quality, failure of foundations and more. And sometimes, the knowledge and the professionalism of the constructors can pay a big role concerning the quality. On the other hand, people often ignore the opinions of the professionals and choose to build with their obscure knowledge. When you encounter any type of failure, you should examine all elements and factors that can have any influence on the weak spot. After finding the source, you should fix it, and afterwards the crack.