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Determine about the pre-stressed concrete beam
A pre-stressed concrete beam has a width of 200 mm and an overall depth of 400 mm. The permissible stresses in tension and compression due to pre-stressing alone are 4 N/mm2 and 25 N/mm2 respectively. Find the required pre-stressing force in the tendon and the eccentricity of the tendon, if a straight tendon with a constant eccentricity is to be provided in the beam. No external load or self weight effect is to be considered.
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Analysis of presress In pre-stressed structural elements, stretched tendons are placed inside concrete. The tensile stresses of the tendons are transferred to concrete in the
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