A pre-tensioned rectangular beam 150 mm wide and 300 mm depth is prestressed with three straight tendons each having a cross-sectional area of 50 mm2 to an initial stress of 1200 N/mm2. The tendons are located at 100 mm from the soffit of the beam. If the modular ratio is 6 the loss of prestressing force (in kN upto one decimal place) due to the elastic deformation of concrete is ______.4.8

A pre-tensioned rectangular beam 150 mm wide and 300 mm depth is prest

1.	A pre-tensioned rectangular beam 150 mm wide and 300 mm depth is prestressed with three straight tendons each having a cross-sectional area of 50 mm2 to an initial stress of 1200 N/mm2. The tendons are located at 100 mm from the soffit of the beam. If the modular ratio is 6 the loss of prestressing force (in kN upto one decimal place) due to the elastic deformation of concrete is ______.4.8
Answer» A pre-tensioned rectangular beam 150 mm wide and 300 mm depth is prestressed with three straight tendons each having a cross-sectional area of 50 mm $^{2}$ to an initial stress of 1200 N/mm $^{2}$ . The tendons are located at 100 mm from the soffit of the beam. If the modular ratio is 6 the loss of prestressing force (in kN upto one decimal place) due to the elastic deformation of concrete is ______. 4.8

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