Concrete: Slump test

[tomsmith]

Will adding water to concrete mix create low slump?

 

[ICE]

no...adding water creates greater slump.

 

[mark handler]

Add water only in accordance with procedures outlined in ASTM C 94, “Standard Specification for Ready Mixed Concrete.” You are not allowed to add so much water that the concrete exceeds the specified slump or the specified water-cement ratio, because that can affect concrete properties such as strength and cracking.

 

[tomsmith]

no...adding water creates greater slump.

Thanks for your replies!

To clarify- when I say low slump, I am referring to the image on far left, is that also what you mean by "great slump"?

 

[ICE]

Yes

 

[classicT]

Slump is the measurement of the settling/collapse of the concrete, therefore greater or higher slump means more fluid whereas a low slump is very stiff.

 

[tomsmith]

Perfect- thanks!