Answer / yashodhar pathak

Tests on fresh concrete:- Slump Test, Compacting Factor test
Destructive Tests on Harden Concrete:- Compressive Strength,
Spit Tensile Strength, abrassion test
Non-Destructive tests on Harden Concrete:- Rebound Hammer
Test, Integrity Test etc.,

I'm preparing to to build a simple house, but i don't know how to calculate how much cement, gravel and sand and hollow blocks i need to prepare. How many pcs of 4" or 6" hollow blocks I need for my planned 3mx6m house? thanks. 

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