Write two advantages and two disadvantages of vacuum dewatered concrete floor.

Write two advantages and two disadvantages of vacuum dewatered concrete floor.
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1 Answer

Answer :

Advantages of vacuum de-watered concrete floor: i. It reduces the time for finishing the floor. ii. Smooth and clean finish surface. iii. It reduce permeability and increase durability of concrete floor iv. Increase the strength of concrete. Compressive strength is increased by 10 to 50%. v. Decrease the total shrinkage.

Disadvantages of vacuum de-watered concrete floor: i. High initial cost. ii. It required specific equipment. iii. The porosity which there in the concrete allows water, oil and grease to seep into thereby weakening the structure. iv. Joint can also weaken the concrete. v. Abrasion can cause dust and cleanliness problem.
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