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Why should the Crushing of Concrete Cube or Cylinder Samples be done at 28 days?

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تم إضافة السؤال من قبل Abdul Kareem Abdul Raheem , مهندس أستشاري , Al Rwad League Co.
تاريخ النشر: 2018/04/19
Vijay kumar
من قبل Vijay kumar , Assistant Engineer , General Construction Company

It is to check compressive strength of concrete.

sebin chackalayil house
من قبل sebin chackalayil house , Project Engineer , Road Line LLC

Crushing of Concrete cube or cylinder samples be done at 28 days for to know the strength of casted cube at 28 th day. after we will compare with design strength (required) and actual strenth at site 

Ahmed Alqurashi
من قبل Ahmed Alqurashi , Project manager , Ministry of defence

Because the concrete takes it about 28 days to each close to its full strength and hardness.

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