Q. In members where cracking in the tensile zone is harmful either because they are exposed to the effects of weather or continuously exposed to moisture, the limit of maximum cracking width as per IS-456: 2000 is :
Solution:
IS 456-2000 Plain and Reinforced Concrete – Code of Practice is an Indian Standard code of practice for general structural use of plain and reinforced concrete. The latest revision of this standard was done in year 2000, reaffirmed 2005. This code uses the limit state design approach as well working stress design approach. It is written for use in India. It gives extensive information on the various aspects of concrete. According to this standard the limit of maximum cracking width is 0.2 mm in the members where the cracking in the tensile zone is harmful.
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