Topic: Compressive Strength of Concrete
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Answers to Common Questions
What is the compressive strength of concrete in 3 days?
More than 50 % Read More »
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What is General formula for calculating compressive strength of c...
Load divided by area of load applied (Load per unit area) Read More »
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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 »
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More Common Questions
Answers to Other Common Questions
Concrete is a structural material which consists of Portland cement, aggregate (sand and rock), and water (to make the chemical reaction called hydration occur.) Concrete can sometimes contain other substances, such as fly ash from industri...
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Source: http://answers.yahoo.com/question/index?qid=20071117172737AA1iOVj
tensile strength is approximately between .08 to .15 of compression strength in concrete
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70 % of 45 N/mm2
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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...
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20N/mm2 (mpa)
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M20...
35N/mm2 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 pozzolans...
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Source: http://wiki.answers.com/Q/What_is_the_compressive_strength_of_M35...
The compressive strength of M25 concrete at 7 days will be between 6-7.5 N/mm2 .
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Source: http://wiki.answers.com/Q/Compressive_strength_of_concrete_cube_7...
