Topic: 28 Day Compressive Strength
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Answers to Common Questions
Why 28 days compressive strength of concrete is considered?
It is attributed to two reasons: 1. Strength of concrete grows faster in initial days and this process of gaining strength slow down with time. This can be said as stabilization in value of gained strength of concrete. After approximately 2... Read More »
Source: http://wiki.answers.com/Q/Why_28_days_compressive_strength_of_con...
What is the compressive strength of M25 concrete at 28days?
The compressive strength of M25 concrete at 28days is 28.30 N/mm2 to29.00N/mm2 Read More »
Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M25...
What is the compressive strength of M35 concrete at 28 days?
35N/mm2 actually, the '35' respresents the characteristic design strength of the concrete. this strength is pivotal in design as its the 'lowest fair estimate' of strength. in reality tere is a margin for error (between 5-10MPa)and a 5% def... Read More »
Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M35...
More Common Questions
Answers to Other Common Questions
20N/mm2 (mpa)
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M20...
The Compressive strength of M 20 concrete at 28 days is 20 MPa target mean strength is fck + kS. k= risk factor( 95% of test results is passed,i.e, 1 in 20) s= standard deviation
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Source: http://wiki.answers.com/Q/What_is_the_Compressive_strength_of_M_2...
Answer You should increase the LSF (lime saturated factor). Normal the LSF is around 95. If you increase the LSF you will proberly get a worse burnability.
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Source: http://wiki.answers.com/Q/What_changes_in_the_Raw_meal_compositio...
20.1 N/mm2
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M30...
More than 50 %
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_con...
80% of the total compression strength
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Source: http://wiki.answers.com/Q/What_is_the_Compressive_strength_of_M_2...
35N/mm 2 the above answer is terrible. at 14 days there is no guarantee of what the strength will be, as strength gain is rapid with pue OP it will tend t be greater than 50% of the target characteristic strength; however, with any pozzolan...
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M35...
