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Add the water to the cement, a little at a time as you mix.
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∙ 15y ago
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When mixing to make concrete what do you add to the mix last sand water or cement mix?
The water should be added last. All the aggregate materials and the cement should be thoroughly mixed before the water is added.
How does cement make concrete building?
cement is made with water cement mixture and sand after all of this is added
Why is water added to concrete while mixing it?
Concrete is made from cement and added gravel. Cement starts out as a powdered rock, which will remain a powder unless water is added to it. Water turns it unto a paste which will gradually harden into a solid material. The water undergoes a chemical reaction with the cement powder.
What is bulkage of cement?
when water is added to the cement,cement volume decreases due to removal of air from cement particles. this reduction in cement volume is the bulkage
What is the effect on setting time of cement if water added is less or more than 85 percent of normal constituency of cement?
how the water mixed with cement affects the time of its setting
Is adding water to cement irreversible or revirsible?
If you have added too much water to your mix just add more sand and cement ;but do this right away.
Why gypsum added to cement?
3% of gypsum is added to cement to "prevent the rapid setting of cement"
Why 2 of gypsum is added to cement?
Gypsum is added to cement to decrease the setting time.
Why is gypsum added to Portland cement?
Gypsum is added to portland cement to retard C3A hydration
How do you make cement or concrete?
cement/ concrete is made with water, cement mixture and sand. After all of this is added to the right amount, you mix, mix, mix!! Then bofore it drys, pour it ontop the location desired
Field test of cement?
The field test of cement are 1.Insert the hand in cement bag,one should feel cool. 2.Rub the cement between fingers,one should feel silky 3.Through handfull of cement in a bucket of water it should float before it sinks.
What is initial setting time of cement?
It's the time from which cement starts the setting process after water is added.. Usually it is 30 min.. It can be delayed or advanced using chemicals..
