The German highway network includes over 39,000 bridges with a total length of almost 2,100 km. Most of these bridges were built from prestressed concrete in the period from 1965 to 1985 (Fig. 1)....
Reports of summary proceedings concerning illegal cartel agreements are found regularly in the business press and in publications of the competition authorities. Of these proceedings the concrete and...
The Drössler Ultralith and Drössler easyflow high-performance concrete (UHPC/HPC) ranges are known for their outstanding mechanical performance characteristics (i.e. high compressive and flexural...
The use of self-compacting concrete (SCC) has not yet become as widespread in Europe as originally hoped despite its numerous concrete technology benefits in terms of workability and product quality....
Concrete is the most widespread construction material of our times – about 12 billion m3 of concrete are produced worldwide each year. The manufacture of cement, as one of the raw materials of...
Clauses in sub-contractor contracts
In the chain of performances under a contract for work and services, contracts between client and general contractor and contracts between general contractor and...
Ultra-high-strength concrete (UHSC) is the result of new developments in the field of concrete technology, particularly of superplasticizers, and of the option to optimize packing density in the fine...
The use of non-metallic reinforcements such as rebar or extensive grids (“textile reinforcements”, Fig. 1) that consist of fiber-composite plastics enables entirely new structures and fields of...
Fastening technology has attained a remarkable technical standard in recent decades, particularly in the field of expansion anchors. While fastening with expanded anchors for structural components of...
German and European standards are well established technical standards and they reflect the state of the art. Standards are a good instrument to manufacture comparable products and to distribute them...
