Fiber and asphalt material bonding strength testing device

The utility model discloses a device for testing the bonding strength of fibers and an asphalt material. The device comprises a test piece preparation part and a tensile test part, the test piece preparation part comprises a support, a base and an asphalt foundation trench, a center hole is formed in the axis of the asphalt foundation trench, fibers penetrate through the center hole and extend into a cavity of the base, fixing pieces are arranged at the upper ends of the fibers, and a balance weight piece is arranged at the lower ends of the fibers; the tensile testing part comprises a universal testing machine and a sample containing vessel, and fibers penetrate through holes of the sample containing vessel. The test device has the beneficial effects that the test device is simple in structure, convenient to manufacture and operate and high in test piece manufacturing precision; the bonding strength between different fibers and the asphalt mortar can be measured through a drawing test, so that the fiber with