Saturday 10 March 2012

Precautions while using Cement Morter

  State major precautions to be taken while using cement mortar.

Ans.   Following are the precautions to be taken while using mortar.

1.     The cement mortar should be used within 30 minutes after it is prepared since the cement starts setting.
2.     The Bricks or Cement blocks should be soaked well in water just before the erection of walls or any other structure.
3.     Use of seawater should be totally avoided. 
4.     The water used should be clean and free from alkalies, oils, dust or any other dirt.
5.     The size of the sand should be less than 3 mm.
6.     The mortar should be mixed well with adequate quantities of ingredients as specified.
7.     The mortar should not contain excess water; else its workability is affected.
8.     The setting action of cement is affected in cold weather due to frost action. Hence during frosty weather, the work should be stopped.

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