Moreover, the mixing operations can begin after the cement has been added to the aggregates- that is to say around 30 minutes after that takes place. In detail it is not recommendable that the concrete truck -the truck mixer is mixing the concrete with increased speed, because it can reflect into losing the concretes’ strength, as well due to the increased speed there might be excessive loss of en-trained air.
Source: www.google.com
If you were wondering- The concrete truck can carry both concrete in wet and in dry form. Being a mixture of cement, water, and aggregates, the concrete is delivered in the trucks, and in order for the cement to get to the particular construction place it should be mixed all the way through. Moreover the concrete should be mixed during the transportation so that it does not lose its quality.
Source: Wikipedia
In fact, the drum of the mixer should constantly rotate during the transportation of the concrete. Maintaining the concrete’s quality is the main reason why the drum of the mixer should be constantly working until it reaches the final destination.
