Self-propelled construction machine and method for determining the utilization of a construction machine

A self-propelled construction machine comprising:

• a machine frame;
• at least three travelling devices;
• at least one milling drum having a milling width and configured to work ground pavement;
• at least one profile sensor configured to measure ground profile data in at least one first location, said ground profile data relating to at least one ground pavement profile extending transverse to a direction of travel of the construction machine, wherein the at least one profile sensor is arranged in front of the milling drum as seen in the direction of travel;
• at least one second sensor configured, after the construction machine has traversed a section corresponding to a distance between the milling drum and the at least one profile sensor, to determine at least one distance value between an unmilled ground surface and the milling drum in at least one point associated with the at least one first location;
• and
• a machine control system functionally linked to the at least one profile sensor and the at least one second sensor, and configured to correlate the determined at least one distance value for the at least one point with a corresponding at least one point associated with the measured ground profile data.

A system comprising:

• a plurality of self-propelled construction machines, each comprising:
• at least one milling drum configured to work ground pavement;
• at least one profile sensor configured to measure ground profile data in at least one first location, said ground profile data relating to at least one ground pavement profile extending transverse to a direction of travel of the construction machine, wherein the at least one profile sensor is arranged in front of the milling drum as seen in the direction of travel;
• at least one second sensor configured, after the construction machine has traversed a section corresponding to a distance between the milling drum and the at least one profile sensor, to determine in the at least one first location at least one distance value between an unmilled ground surface and the milling drum in at least one point associated with the at least one first location;
• and
• a central data processor functionally linked to each of the plurality of self-propelled construction machines, and configured to correlate the determined at least one distance value for the at least one point with a corresponding at least one point associated with the measured ground profile data.