[Situation 6] The inverted T-beam shown is post - tensioned with cables having a total area of 14 sq.cm placed at 15cm above the bottom flange. The dimensions of the beam having a span of 14m is shown on the sketch. The beam is subjected to an initial prestress of 9600 kg/sq.cm. Assume a loss of stress of 16% and an allowable compressive stress in concrete of 150 kg/sq.cm and tensile stress of 8 kg/sq.cm. Determine the bottom fiber stress due to the prestressing force. O -10.5 MPa O -11 MPa O -12 MPa O -12.5 MPa
[Situation 6] The inverted T-beam shown is post - tensioned with cables having a total area of 14 sq.cm placed at 15cm above the bottom flange. The dimensions of the beam having a span of 14m is shown on the sketch. The beam is subjected to an initial prestress of 9600 kg/sq.cm. Assume a loss of stress of 16% and an allowable compressive stress in concrete of 150 kg/sq.cm and tensile stress of 8 kg/sq.cm. Determine the bottom fiber stress due to the prestressing force. O -10.5 MPa O -11 MPa O -12 MPa O -12.5 MPa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:18cm
120cm
30cm
*ム。
[15cm
60 cm
![[Situation 6] The inverted T-beam shown is post - tensioned with
cables having a total area of 14 sq.cm placed at 15cm above the
bottom flange. The dimensions of the beam having a span of 14m is
shown on the sketch. The beam is subjected to an initial prestress of
9600 kg/sq.cm. Assume a loss of stress of 16% and an allowable
compressive stress in concrete of 150 kg/sq.cm and tensile stress of 8
kg/sq.cm. Determine the bottom fiber stress due to the prestressing
force.
O -10.5 MPa
O -11 MPa
O -12 MPa
O -12.5 MPa](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff5ff848b-89cf-4e16-a549-9b83cda07927%2F8f2abb71-f892-4fab-bc77-1a753b8c05d4%2Fw7j1hel_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[Situation 6] The inverted T-beam shown is post - tensioned with
cables having a total area of 14 sq.cm placed at 15cm above the
bottom flange. The dimensions of the beam having a span of 14m is
shown on the sketch. The beam is subjected to an initial prestress of
9600 kg/sq.cm. Assume a loss of stress of 16% and an allowable
compressive stress in concrete of 150 kg/sq.cm and tensile stress of 8
kg/sq.cm. Determine the bottom fiber stress due to the prestressing
force.
O -10.5 MPa
O -11 MPa
O -12 MPa
O -12.5 MPa
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