Lok-test is mainly a non-destructive pull-out test for determination of concrete strength. The method is deseribed in (l) and it is detailed discussed in theory (2). The method is welknown in practice. Ultrasonic is commonly used for investigations of several materials, especially concrete. In a project (3) about non-destructive testing of concrete different methods and the relations to concrete are discussed in theory and practice. This paper point out some interesting results from further experiments in this area.
|Navn||Aalborg Universitetscenter. Instituttet for Bygningsteknik. Report|