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// CODE SNIPPET

1905.5 Average Strength Reduction

NYC Building Code 2014 > 19 Concrete > 1905 Concrete Quality, Mixing and Placing > 1905.5 Average Strength Reduction
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As data become available during construction, it is permissible to reduce the amount by which the average compressive strength (f'c) is required to exceed the specified value of f'c in accordance with ACI 318, Section 5.5. A new mix design shall be submitted to the registered design professional of record for approval prior to use.

Related Code Sections


1905.5 Concrete, Average Strength Reduction
As data become available during construction, it is permissible to reduce the amount by which the average compressive strength ( f' c ...
NYC Building Code 2008 > 19 Concrete > 1905 Concrete Quality, Mixing and Placing > 1905.5 Average Strength Reduction
1905.5 Concrete, Average Strength Reduction
As data become available during construction, it is permissible to reduce the amount by which the average compressive strength ( f' c ) is required ...
NYC Building Code 2014 > 19 Concrete > 1905 Concrete Quality, Mixing and Placing > 1905.5 Average Strength Reduction
1616.11 Structural Design, Strength Reduction Factors
For structural design for specific local loads or alternate load paths, all strength reduction factors may be taken as one ...
NYC Building Code 2014 > 16 Structural Design > 1616 Structural Integrity — Key Element Analysis > 1616.11 Strength Reduction Factors
1626.11 Structural Design, Strength Reduction Factors
For structural design for specific local loads and/or key elements, all strength reduction factors may be taken as one ...
NYC Building Code 2008 > 16 Structural Design > 1626 Structural Integrity—Key Element Analysis > 1626.11 Strength Reduction Factors
1913.10 Concrete, Strength Tests
average compressive strength of three cores from the in-place work tested in accordance with ASTM C 39 shall equal or exceed 0.85 f' c ...
NYC Building Code 2014 > 19 Concrete > 1913 Shotcrete > 1913.10 Strength Tests
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