![]() If this definition is interpreted backward, it can be interpreted as when tensile stress caused by external forces exceeds certain stress (allowable stress or cracking stress), it can be compensated by applying the prestress accordingly. ![]() Prestressed concrete is ‘concrete that has been given strength by artificially determining the distribution and size of the stress in advance so that the stress caused by external forces can be offset to a predetermined limit.' Prestress means ‘stress that has been artificially applied to concrete in advance to offset the tensile stresses caused by external forces.
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