Device and method for automatically molding emulsified asphalt mixture test piece

Abstract

The invention discloses a device and method for automatically molding an emulsified asphalt mixture test piece. The device comprises a plurality of raw material barrels, a stirrer, a mold and a control box, wherein an electronic valve is arranged at an outlet of each raw material barrel; an inlet of the stirrer is connected with outlets of the raw material barrels through delivery pipelines; the mold is arranged under an outlet of the stirrer, and is provided with a striking device for striking asphalt mixture in the mold and removing redundant asphalt mixture; the control box is connected with the electronic valves, the stirrer and the striking device, and is used for controlling the working states of the electronic valves, the stirrer and the striking device respectively. According to the automatic molding device, stirring equipment and an automatic control system are combined to be used for automatically adding raw materials for emulsified asphalt mixture according to set values and accurately controlling dosage of raw materials of the test-piece, compact is not requirement for molding of the emulsified asphalt mixture test piece by utilizing the characteristic of strong fluidity of emulsified asphalt, and the emulsified asphalt mixture test piece can be manufactured more conveniently and efficiently.

Description

Technical field [0001] The invention relates to the technical field of road engineering material evaluation and testing devices, in particular to an automatic molding device and method for emulsified asphalt mixture specimens. Background technique [0002] At present, high-grade highways with a huge total mileage have been built in China, and asphalt pavement is the most important structural form of high-grade highways. The most important construction method of asphalt pavement is to heat asphalt and stone to high temperature, mix and pave at high temperature. However, in this process, the asphalt material is prone to aging at high temperatures, which reduces the elasticity of the asphalt material, resulting in a decrease in the performance of the road surface. At the same time, this process will consume a lot of energy, produce smoke and harmful gases, and cause environmental pollution. An effective way to avoid the above situation is to use the cold mix and cold paving proces...

AI Technical Summary

Problems solved by technology

This method takes a long time, has many steps, and requires manual operation, which is very inefficient, and the compaction quality will affect the quality of the test piece, resulting in inaccurate experimental results

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