Charging/Feeding the Ingredients:

The order of feeding the ingredients into the mixer depends upon type of concrete mix and mixer. Many mixers have the facility to feed the ingredients into the mixer through a hopper or loading skip arrangement, in the absence of which the ingredients can be directly fed into the mixer. Following sequence of feeding is suggested:

Direct Feeding of Mixer:

Generally, a small amount of water is fed first followed by all the solid materials, preferably fed uniformly and simultaneously into the mixer. While feeding these materials simultaneously, the remaining quantity of water must be fed uniformly in part into the mixer.