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Period of Storing of Cement from Date of Manufacture!

This post is also available in: hiहिन्दी (Hindi)

No verified documents are available which focuses on the experiments being done on cement at various ages of storing. Cement is a hygroscopic construction material. It reacts with moisture (either in liquid or in vapour form) quickly. In presence of moisture, cement undergoes chemical reaction termed as hydration. Once the hydration process has taken place, cement becomes useless. Cement can remain in good condition as long as it does not come in contact with moisture. Moisture is a big enemy of cement and hence cement bags never stored for a long period.

Also Read : Why Cement is Important Construction Material?

If cement bag is more than three months old, then cement should be tested for its strength before being taken into use. Indian standard specifies that cement may be rejected if it fails to meet the requirements specified in IS 8112 – 2013.

It is necessary to test the cement,

  1. If cement is stored in bulk at the factory for more than six months.
  2. If the cement bags are stored at vendor warehouse or site for more than three months from date of manufacture.

Also Read:

10 Precautions while Storing Cement Bags in the Godown
How do I Check the Quality of Cement at Site?
Life of Cement
Courtesy - 123rf
Also Read: 11 Points to Check on Cement Bag Before Buy It

Major cement manufacturer shave carried out research and development and evidently confirms that cement losses its strength over period of time and it is described in table below:

REDUCTION IN COMPRESSIVE STRENGTH DUE TO AGING

SR NO.
PERIOD
REDUCTION IN STRENGTH

01.

3 months

20%

02.

6 months

30%

03.

12 months

40%

04.

24 months

50%

It is advisable to use fresh cement as possible. Uses of old cement can leads various problems such as the development of cracks, leakages, corrosion etc. It also increases the maintenance cost of your structure and it affects the life of the structure.

Also Read:
Types & Summary of Cracks in Reinforced Concrete Beams
Types & Summary of Cracks in Reinforced Concrete Column
Causes of Leakage in Buildings
Factors Causing Steel Corrosion in Concrete Structures

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