Cover block is an ingredient in RCC work. Quality of every ingredient of RCC work get assured before its use naturally cover block quality also must be insured. Avoiding quality of cover block will be like ensuring quality of a chain and leaving one link weak and this weak link will convert strongest chain into a weakest chain. Similar to this less quality cover block will can make entire structure weak.
A. Steel melting point 1360 degree centigrade B. Concrete start getting decomposed on 535 degree centigrade C. PVC melt point is 160 degree centigrade.
PVC is none homogeneous material thermo expansion of concrete and PVC not similar. Probability of leakage gets increased.
At the time of concrete placing PVC cover gets compressed and it alters the effective depth of Structures mostly in footing beam and slab.
1. Having compressive strength of 60mpa 2. Having breaking load minimum of 7Kn maximum of 20Kn ranging as per size from 20mm to 50mm... Readmore
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