Compressive strength of stone-for various stones
compressive strength: It is defined as the ratio of load by its cross-sectional area at which it fails.
To perform this test take 6 test blocks of dimensions 10cmx10cmx10cm are taken.
These blocks are then covered with plaster of Paris subjected to load in the compression testing machine one by one.
The values of loads at which the blocks get crusted are noted for each block and the average crushing load is calculated, Let its value be P.
As we said for good building stone compressive strength should be greater than or equal to 100N/mm2.
The table here gives the compressive strength of different stones obtained from rocks in Newton per mm square.
|Rock||Stone||Range of Crushing Strength in N/mm2|