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What rules should the concrete pump truck pay attention to when connecting?

  It is the most common work for concrete pump truck to connect the pipeline in the construction process, but if the relevant rules are not obeyed during the connection, it will result in the waste of the pipeline, also can not smooth transportation of concrete problem. So what rules should concrete pump trucks follow? In particular, we can proceed from the following aspects:

 1. General rules for piping

  It is suggested that the shortest distance, the least elbow and the largest elbow should be used to arrange the pipeline so as to reduce the resistance of transportation as much as possible and reduce the possibility of pipeline blocking. In addition to the vertical down of the pipeline, the outlet should be equipped with anti-segregation device to prevent clogging. For the concrete pump truck outlet taper pipe, not directly bent pipe, should be connected at least 5 mm more than the straight pipe, then bent pipe.

  2. Take over during pumping

  Concrete pump truck in the middle of the pipe, each can only add one, and the application of water lubrication under the pipe wall, and exhaust air, otherwise very easy to cause pipe blockage.

  3. Take over from the top

  High-level pumping, the length of the horizontal pipeline should generally not be less than 15% of the length of the vertical pipeline, and should be connected in the horizontal pipeline pipeline pipeline cut-off valve. When the shutdown time exceeds 5 minutes, the stop valve should be closed to prevent backflow of concrete, resulting in pipe blocking. From horizontal to vertical when the 90-degree bend, bending radius should be greater than 500 mm.

  Concrete pump truck to follow the principles of construction efficiency can be higher, so that the project speed up. Therefore, we must pay more attention to the operation at ordinary times, and learn more about this rule.


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