Friday, 20 June 2014

HARDNESS TEST

In this test, a scratch was made on brick surfaces. This test was carried out for both fibrous concrete brick and padobe bricks. While the scratch was made with the help of finger nail on the bricks, very light impression was left on the fibrous concrete brick surface and there was no impression on the padobe brick. So this test results that padobe bricks are sufficiently hard but fibrous concrete brick are less hard.

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