The prestressed rectangular section shown in cross section in Figure is pretensioned using five low relaxation stress-relieved Grade 270 (fp = 1860 MPa ), carrying effective prestress fpc = 1140 kN/m² . Concrete strength is f = 28 MPa. Calculate the design strength of the beam. (% = 0.28). 300 mm 600 mm TE 430 mm 491 mm Aps=494 mm²

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The prestressed rectangular section shown in cross section in Figure
is pretensioned using five
low relaxation stress-relieved Grade 270 (fp = 1860 MPa), carrying effective prestress fp = 1140 kN/m²
. Concrete strength is f' = 28 MPa. Calculate the design strength of the beam. (% = 0.28).
300 mm
600 mm
…….
Figure
430 mm
491 mm
Aps=494 mm²
Pretensioned beam, cross section dimensions
Transcribed Image Text:The prestressed rectangular section shown in cross section in Figure is pretensioned using five low relaxation stress-relieved Grade 270 (fp = 1860 MPa), carrying effective prestress fp = 1140 kN/m² . Concrete strength is f' = 28 MPa. Calculate the design strength of the beam. (% = 0.28). 300 mm 600 mm ……. Figure 430 mm 491 mm Aps=494 mm² Pretensioned beam, cross section dimensions
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