Good Practice

The principles governing proper placement of concrete are:
Segregation must be avoided during all operations between the mixer and the point of placement, including final consolidation and finishing.
The concrete must be thoroughly consolidated, worked solidly around all embedded items, and should fill all angles and corners of the forms.
Where fresh concrete is placed against or on hardened concrete, a good bond must be developed.
Unconfined concrete must not be placed under water.
The temperature of fresh concrete must be controlled from the time of mixing through final placement, and protected after placement.

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