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Question:

What are the concrete ramps?

What are the concrete ramps?

Answer:

Concrete layering pouring, the thickness of each layer of concrete should not exceed 1.25 times the vibrating rod; in the vibrating on a layer, it should be inserted into the lower 5cm or so, to eliminate the gap between the two layers, while vibrating the upper layer of concrete
Vibrator use, the vibrator from the template should not be greater than the radius of the vibrator 0.5 times, and should not be close to the template vibration, should try to avoid collision steel, core, rings, embedded parts and so on.
Each point of vibration time to 20 to 30 seconds is appropriate, the general surface of the concrete was horizontal and uniform slurry and no longer so far, no significant subsidence, that has been vibrant, you can stop the vibrator.

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