Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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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° is recorded. If this
load is allowed to stand for a long time,
the strain increases to 1000x10. In
accordance with the provisions of IS:
456 – 2000, considering the long – term
effects, the effective modulus of
elasticity of the concrete (in MPa) is
Transcribed Image Text:When a specimen of M25 concrete is loaded to a stress level of 12.5 MPa, a strain of 500×10° is recorded. If this load is allowed to stand for a long time, the strain increases to 1000x10. In accordance with the 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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