What issues should be paid attention to when mixing concrete in asphalt mixing plants?
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What issues should be paid attention to when mixing concrete in asphalt mixing plants?
Release Time:2024-07-03
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In road construction projects, the operation of asphalt mixing plants is not unimportant. Nowadays, with the increasing strength of science and technology, the functions of equipment are also becoming more and more. Therefore, relevant operators should also continuously improve their operating skills and stabilize the functions of equipment.
In terms of operation, in addition to mastering the operating skills of the equipment itself, skills and methods for mixing concrete should also be available. Only by mastering the operating methods of each part of the asphalt mixing plant and strictly grasping each production detail on this basis can the skill indicators of asphalt mixture be affected.
What issues should be paid attention to when mixing concrete in asphalt mixing plants_1What issues should be paid attention to when mixing concrete in asphalt mixing plants_2
In order to meet different work needs, asphalt mixing plants are also divided into different categories. Among them, mobile mixing plants are more convenient and flexible, and can be pulled by tires with each silo, but the production capacity is relatively low. Fixed stabilized soil mixing plants have higher production capacity, but the process is slightly complicated. First, concrete is used as the foundation, and then the equipment is fixed.
Since the quality of asphalt mixture is very important for highway construction projects, there are many issues that need to be paid attention to during the mixing process. When the asphalt mixing plant is working, whether it is the amount of materials added, the method of addition, or the mixing time, all aspects should be strictly controlled. The mixing time should not be reduced due to the pursuit of speed, nor should less addition be regarded as saving. These are incorrect practices.
1. Ensure sufficient amount. In the process of adding admixtures, it should be continued and stable, and the amount supplied must be sufficient, so that the solidification time can be relatively uniform, and the quality of the concrete of the asphalt mixing plant can be guaranteed, and no cracks and other undesirable phenomena will occur.
2. Standard implementation of mixing time. After the addition of materials is carried out correctly, it is necessary to stir them. The purpose of stirring is to mix these materials evenly so that they can play a role. Generally, it should be about three minutes. The mixing time should not be ignored in pursuit of speed, which will lead to unfavorable situations such as reduced strength of the concrete of the asphalt mixing plant.
3. Reasonable mixing. For materials with different mixing requirements, they must be mixed according to their needs, so as to avoid unreasonable mixing materials, which will cause the concrete of the asphalt mixing plant to be unusable, and also waste raw materials.