Compressive Strength Test of Bricks | Testing of Bricks | Bricks | Construction Materials | By Akhand Dutta

For Compressive strength test of bricks six bricks are taken as samples. From the sample, the two bed faces of bricks are ground to provide smooth, even and parallel faces.

Compressive Strength Test of Bricks (IS:3495 (Part 1))



Compressive Strength Test of Bricks | Testing of Bricks | Bricks | Construction Materials | By Akhand Dutta
Bricks




Requirements-



  • For Compressive strength test of bricks six bricks are taken as samples.



Procedure-



  • From the sample, the two-bed faces of bricks are ground to provide smooth, even and parallel faces.




  • Then the bricks are immersed in water at 25 ℃ (room temperature) for 24 hours, and then taken out.




  • Surplus water is wiped out using a moist cloth.




  • The frog of the brick is flushed level with cement mortar.



  • Then the brick is stored under damp jute bags for 24 hours




  • After that, it is immersed in water at 25 ℃ (room temperature) for three days (3-days).




  • Later, The specimen is placed in the compression testing machine with flat faces horizontal and mortar filled face being upwards.




  • Load is applied at a uniform rate of 14 N/m2 per minute till failure.




  • Then The Compressive Strength is calculated in N/mm2



Compressive strength (N/mm2) is calculated by,



{Maximum load at failure (N)}
__________________________________

{Average area of bed faces (mm)}



  • Finally, the average of the results is taken.




The compressive strength of any individual brick tested in the sample should not fall below the minimum average compressive strength specified for the corresponding class of brick by more than 20 percent.











*Self Typed
*Source- Internet, Books, Self-Analysis


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About the Author

"Meet Mr. Akhand Dutta, the visionary Founder and Owner of CEWA (Civil Engineering With Akhand Dutta). Currently, The Placement Coordinator for Structural Engineering at the prestigious National Institute of Technology, Kurukshetra. With a lif…

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