Tensile Strength of Concrete Test
In the field of construction,?Concrete?is one of the most used and versatile building materials used in various types of structures such as?bridges, buildings, dams, roads, stadiums,?etc. Concrete can be considered the second-most-used substance in the world after water. Without the use of concrete no modern structure can be built.
Tensile Strength is defined as the ability of a material to?resist tearing,?it is the maximum load that a material can hold without breaking while being stretched.
There is a universal line that "Concrete is good in compression and weak in Tension" and there are some reasons behind it. Determining the tensile strength of concrete is necessary to understand the extent of any possible damage due to the stretch.
Breaking and cracking start to arise when the tensile forces surpass the tensile strength. The Tensile strength of the concrete has a range between?10% to 12%?of its binding strength.
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Why Is The Tensile Strength of Concrete Crucial?
Tensile Strength is considered to get the best-desired value of concrete. The tensile strength plays a fairly large part that contributes to the design. If the Tensile strength is not measured correctly the construction project can be affected and will not stand the test of time and may also lead to accidents. Tensile Strength is the dominating factor in crack control and contributes to avoiding cracks.
Why is concrete weak in tension?
Concrete is not a single solid material like steel or aluminium which are strong in both?compression and tension. It is rather manufactured by mixing cement, water and some admixtures as well, it makes up into a fine aggregate and coarse aggregate. Each of the materials present in the making of the concrete possesses different properties which result in the properties of concrete as a whole.
If observing the microstructure of the concrete it can be seen that the concrete consists of the weakest link in the structure which is known as Interface Transition Zone in concrete.