Forming test mold for asphalt mixture rutting test piece
A technology for asphalt mixtures and test molds, which is applied in the direction of unloading devices, manufacturing tools, and preparation of test samples. It can solve problems such as poor thermal insulation effect, time-consuming and labor-intensive, loose mold connection parts, etc., and achieve small temperature fluctuations. The test process is simple and the effect of reducing test errors
Pending Publication Date: 2017-02-22
CHANGAN UNIV
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The invention discloses a forming test mold for an asphalt mixture rutting test piece. The forming test mold comprises an upper separating groove and a lower separating groove which are matched, wherein the upper separating groove and the lower separating groove are connected by a sliding locking device to form an opened container; a plurality of temperature sensors are arranged on the inner wall of the upper separating groove; the inner walls of the upper separating groove and the lower separating groove are respectively provided with an anti-sticking coating layer; and the outer walls and the bottom surfaces of the upper separating groove and the lower separating groove are respectively provided with a high-temperature heat-insulating coating layer. The forming test mold disclosed by the invention has the advantages that the demolding procedure after forming completion can be quickly realized; the upper separating groove and the lower separating groove can be separated only by unlocking the sliding locking device at the lower separating groove, so that the defect that the mold is taken out by using a rubber hammer to beat a bottom plate is overcome, the demolding efficiency is obviously improved, the disturbance to the test piece is less, and the influence of operation in the demolding process on all performances of the test piece is reduced.
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Property | Measurement | Unit |
Diameter | 5.0 | mm |
Depth | 15.0 | mm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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