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Concrete structural members tensile stresses
In concrete structural members tensile stresses act in a longitudinal direction. This is why, stretched tendons (hereafter, called tendons) are placed in a longitudinal direction so that compressive stresses induced due to prestressing force may either reduce or eliminate these tensile stresses. In some other types of structural elements, such as water tanks and pipes, tensile stresses are produced due to hoop tension. As these tensile stresses operate along the circumference, tendons in such a situation are provided along the circumferential direction.
Compatibility Condition: Total strain in steel = Total strain in copper i.e. 3 × 10 -4 + 1.965 × 10 -5 P s = 4.5 × 10 -4 + 1.8421 × 10 -5 P c Recognising that P
Why we need a high strength concrete in prestressing There is another aspect to why we need a high strength concrete in prestressing. Prestressed concrete is subjected to high
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principle of working from whole to part
What is the meaning of Elastic Shortening of Concrete At the transfer stage, compressive prestressing force is transferred to the concrete. Due to this compressive force, concr
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