The British code for structural concrete recommends design values of ultimate creep strain of pretensioning is _______

A concrete beam of rectangular section 100mm wide, area is 3×104, initial stress is 1200n/mm2 of 7mm diameter located at…

The creep coefficient varies from a minimum value of _______

Which of the following results in the reduction of stress in steel used for prestress?

A prestressed concrete beam, 200mm wide and 300mm deep is prestressed with wires (area is 320mm2) located at a constant …

A pre tensioned concrete beam 100mm wide and 300mm deep, initial force of 150kn at an eccentricity of 50mm, moment of in…

A post tensioned concrete beam 200mm wide and 450mm deep, of span 10m, initial stress of 840n/mm2 is available in the un…

The loss of stress due to successive tensioning of curved cables in elastic deformation of concrete is estimated by cons…