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Example 3 AT-shaped simply supported beam has the crass stetion shown in Figure PL4. It has a span of 36 t (11 m), is loaded with a gravity live-load unit intensity W-2500 plt (365 kN), and is prestressed with tweive 1-la-dia (tweive 12.7-mm-dia) seven-wire stress-relieved stranda. Compuie the con- crete fiber stresses at service load

Example 3 AT-shaped simply supported beam has the crass stetion shown in Figure PL4. It has a span of 36 t (11 m), is loaded with a gravity live-load unit intensity W-2500 plt (365 kN), and is prestressed with tweive 1-la-dia (tweive 12.7-mm-dia) seven-wire stress-relieved stranda. Compuie the con- crete fiber stresses at service load

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Example 3 AT-shaped simply supported beam has the crass Section shown in Figure PL.4, It has a span of 36 t (11 m), is loaded with a gravity live-load unit intensily W, - 2,500 plt (365 kN), and is prestressed with twelve 1-in,-dia (Iweive 12.7-mm-dia) seven-wire stress-relieved strands. Compute the con- crete fiber stresses at service load le- 34 3 Mpa lei- 25 MPa e- 244 nn 1138 MPa The section properties: 25.4mm -MPa r-ly Ac- mm2 CA JI3.722 NT. 763 mm S- 4.885 ot 7 mn S 3.456e+7 rvr. Wp- 7.662 kN. (Including s.w) Hy- 36.5 kN/m Aps= 12 12.7 mwn (7 wire strands) (Answer: 10.5 MPa. 0.36MPa, 762mm 609 6 mm
Transcribed Image Text:Example 3 AT-shaped simply supported beam has the crass Section shown in Figure PL.4, It has a span of 36 t (11 m), is loaded with a gravity live-load unit intensily W, - 2,500 plt (365 kN), and is prestressed with twelve 1-in,-dia (Iweive 12.7-mm-dia) seven-wire stress-relieved strands. Compute the con- crete fiber stresses at service load le- 34 3 Mpa lei- 25 MPa e- 244 nn 1138 MPa The section properties: 25.4mm -MPa r-ly Ac- mm2 CA JI3.722 NT. 763 mm S- 4.885 ot 7 mn S 3.456e+7 rvr. Wp- 7.662 kN. (Including s.w) Hy- 36.5 kN/m Aps= 12 12.7 mwn (7 wire strands) (Answer: 10.5 MPa. 0.36MPa, 762mm 609 6 mm
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