How do I calculate load rate for SANS 1575?

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  • Selecting bricks

Full Question

Referring to SANS 1575 Burnt clay paving units Modulus of rupture 7.6.11

c) a mechanism capable of applying a force uniformly along the cylinder and of increasing the stress at a rate of 1MPa +- 0.2MPa per second.

What would be the load rate in Newton's per second for a sample 200mm long x 100mm wide x 50mm thick?

Answer

1 pascal = 1[N/m²] therefore  1Mpa = 1 000 000  [N/m²] or for ease of calculation 1 MPa = 1000[kN/m²]

Martin Hughes
Corobrik