Building material apparatus and use of at least one part sensor

A building material apparatus, comprising:

• a building material transport part that follows a building material drum, wherein the building material transport part is designed to transport building material which is to be at least partially cured;
• a part sensor, wherein the part sensor is arranged on and/or in the building material transport part to detect at least one intensive variable, or at least one variable corresponding at least to the intensive variable, of the building material in the building material transport part;
• and
• a determining device, wherein the determining device is designed to determine a metering variable based on at least the detected intensive variable or the detected corresponding variable and information on an arrangement location of the part sensor and/or on a type of the building material transport part and an arrangement location-specific and/or building material transport part-specific characteristic formula and/or an arrangement location-specific and/or building material transport part-specific characteristic map,
• wherein the building material transport part is one of:
• an outlet hopper of a building material transport vehicle,
• a chute of the building material transport vehicle,
• a crane bucket,
• an inlet hopper of a building material pump, or
• an end hose of the building material pump and/or of a building material distribution boom.