A beam of symmetrical l-section spanning 8 m has a flange width of 150mm & flange thickness of 80 mm respectively. The overall depth of the beam is 450 mm. The thickness of the web is 80 mm. The beam is prestressed by a parabolic cable with an eccentricity of 150 mm at the center of the span & zero at the supports. The LL on the beam is 2.5 KN /m. Determine the effective force in the cable for balancing the DL & LL on the beams. Choices: 507kN, 509kN, 511kN, 505kN
A beam of symmetrical l-section spanning 8 m has a flange width of 150mm & flange thickness of 80 mm respectively. The overall depth of the beam is 450 mm. The thickness of the web is 80 mm. The beam is prestressed by a parabolic cable with an eccentricity of 150 mm at the center of the span & zero at the supports. The LL on the beam is 2.5 KN /m. Determine the effective force in the cable for balancing the DL & LL on the beams. Choices: 507kN, 509kN, 511kN, 505kN
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A beam of symmetrical I-section spanning 8 m has a flange width of 150mm & flange
thickness of 80 mm respectively. The overall depth of the beam is 450 mm. The thickness of
the web is 80 mm. The beam is prestressed by a parabolic cable with an eccentricity of 150
mm at the center of the span & zero at the supports. The LL on the beam is 2.5 KN /m.
Determine the effective force in the cable for balancing the DL & LL on the beams.
Choices: 507kN, 509kN, 511kN, 505kN](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fff89b0d6-568d-405e-8a0c-f9dcfc99d931%2F6f40b2de-87a6-4924-8565-16fae6ea1636%2Fsxha5as_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A beam of symmetrical I-section spanning 8 m has a flange width of 150mm & flange
thickness of 80 mm respectively. The overall depth of the beam is 450 mm. The thickness of
the web is 80 mm. The beam is prestressed by a parabolic cable with an eccentricity of 150
mm at the center of the span & zero at the supports. The LL on the beam is 2.5 KN /m.
Determine the effective force in the cable for balancing the DL & LL on the beams.
Choices: 507kN, 509kN, 511kN, 505kN
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