What is Strength of Concrete?
The compressive strength of concrete is the most important measure used by engineers to evaluate the performance of concrete when used in structures and buildings. The power of concrete by default mentions the compressive strength of concrete. The strength of concrete is measured by means of a compression testing machine.
A cylindrical concrete specimen is placed on the compression testing machine and the load is applied till the specimen fails. The load value at failure divided by the cross-sectional area of the specimen would give the compressive strength value.
The compressive strength of concrete can vary from 2500 psi to 4000 psi. This value is high for the concrete that is used in commercial structures. For some applications higher strength concrete of strength value, 10,000 psi can be employed.
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| Fig.1.Concrete Pouring Image Courtesy.www.thebalancesmb.com |
A cylindrical concrete specimen is placed on the compression testing machine and the load is applied till the specimen fails. The load value at failure divided by the cross-sectional area of the specimen would give the compressive strength value.
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| Fig.2.Concrete Cylinder Failure under compressive testing machine load application Image Courtesy: www.nevadareadymix.com |
The compressive strength of concrete can vary from 2500 psi to 4000 psi. This value is high for the concrete that is used in commercial structures. For some applications higher strength concrete of strength value, 10,000 psi can be employed.
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Read More: What is Strength of Concrete?
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