Question

The objective of a properly proportioned concrete mix are: a.__________________________________________________________ b.___________________________________________________________ c.___________________________________________________________

Answer 1

a. To have a workable concrete mix which can easily be mixed, placed, compacted and finished.

b. To have little or no segregation in the concrete mix

c. To reduce or eliminate bleeding as much as possible hence reducing porosity.

Answer 2

The objective of a properly proportioned concrete mix are:

• To produce the combination of cementitious material, water, and aggregate that meets the requirements of a particular structure, portion of a structure, or series of structures at least cost.
• To produce concrete of the specified properties.
• To produce a satisfactory of end product, such as beam, column or slab as economically as possible.

Cheers!