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When a specimen of M25 concrete is loaded to a stress level of 12.5 MPa, a strain of 500×10−6 is recorded. If this load is allowed to stand for a long time, the strain increases to 1000×10−6. In accordance with provisions of IS: 456-2000, considering the long-term effects, the effective modulus of elasticity of the concrete (in MPa) is _______.12500 |
Answer» When a specimen of M25 concrete is loaded to a stress level of 12.5 MPa, a strain of 500×10−6 is recorded. If this load is allowed to stand for a long time, the strain increases to 1000×10−6. In accordance with provisions of IS: 456-2000, considering the long-term effects, the effective modulus of elasticity of the concrete (in MPa) is _______.
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