Highway for engineering bitumen ductility detect and to use mould

The utility model discloses a highway for engineering bitumen ductility detect and to use mould, it includes bottom plate, fixed block and tensile piece, is provided with two screw holes on two sides of bottom plate, the fixed block with placing in the recess of bottom plate of tensile piece concatenation, and the fixed block be two symmetry settings, and tensile piece be two symmetry settings, forms a big middle shaping cavity that shrinks in both ends after the combination, be provided with in the fixed block and link up and horizontal round hole of vertically and vertical round hole, set up nut and square slot respectively in the outer end of cylinder and the inner insert a voussoir in the square slot, the voussoir exposes partial lower surface and is provided with an inclined plane insert a round pin in the vertical round hole, have a slot in the round pin, have one in the slot and carry out cant tie's position with the voussoir, through the cylinder of screwing, will round pin locking. At first improve t