Clean Reinforcement { Indian Standard 456:2000}
Clean Reinforcement
1. All reinforcement shall he free from loose mill scales. loose rust and coats of paints. oil. mud or any other substances which may destroy or reduce bond Sand blasting or other treatment is recommended to clean reinforcement.
2. Special precautions like coating (If reinforcement may be required for reinforced concrete elements in exceptional cases and for rehabilitation of structures. Specialist literature may he referred to in such cases.
3. The modulus of elasticity of steel shall be taken
as 200 kN/sqmm. The characteristic yield strength of
different steel shall be assumed as the minimum yield
stress/0.2 percent proof stress specified in the relevant
Indian Standard.
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