Pavement material deformation measuring device

The utility model discloses a pavement material deformation measuring device. The utility model belongs to the technical field of civil engineering measurement, key points of the technical scheme areas follows, the ruler comprises a main ruler and an auxiliary ruler, the main ruler is clamped with the auxiliary ruler; a main telescopic rod is fixedly connected to the left side of the upper end surface of the main ruler; a range finder is mounted at the upper end of the main telescopic rod; an infrared lamp is mounted at the right end of the range finder; an emitter switch is mounted on the upper end surface of the range finder; an auxiliary telescopic rod is fixedly connected to the right side of the upper end surface of the auxiliary ruler; a receiving device is mounted at the upper endof the auxiliary telescopic rod; a receiving block is mounted at the left end of the receiving device; according to the pavement material deformation measuring device, the groove is formed in the right end of the main ruler, t