Quality Definition and Characteristics Quality is defined by the totality of features and characteristics that satisfy customers needs” () Quality is defined by the totality of features and characteristics that satisfy customers needs” (ASQ) Quality Characteristics Variables Can be measured or expressed with some unit, such as height, length (m), mass (kg), cycle time (s), concrete strength (MPA) etc.. Attributes Can be counted such as number of defects, errors, accidents etc.. Process Variations
Applications in Concrete Process Hail University Projects RMC 35 1.Out of Control Situation and big variability in the concrete. 2.Management Decision to set up Quality Control Department led to improved process; 3.However, still some opportunity for Improvement exist.