[en] Basic information is summed up about the technical and economic characteristics of the concrete mixture pump, its functional principle, transport efficiency and its effect on the structure of the pumped concrete mixture in the process of concreting the buildings of the nuclear power plant. The knowledge of and experiences with the use of pumped concrete during the construction of Czechoslovak and foreign nuclear power plants are described. The uses are discussed of the tower jib in combination with the pump for the transport of concrete mixture. (J.C.)