A simply supported rectangular beam with dimension of h=550 mm and b: 250 mm is subjected to bending moment. The bending moment under the quasi-permanent combination of load effect, M, 72 kNm. Concrete strength grade is C30, and the beam is reinforced with 3 18 bars. The environment classification is I. Requirement: determine the maximum crack width.

Structural Analysis
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Chapter2: Loads On Structures
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A simply supported rectangular beam with dimension of h = 550 mm and b =
250 mm is subjected to bending moment. The bending moment under the
quasi-permanent combination of load effect, M, = 72 kNm. Concrete strength grade is
C30, and the beam is reinforced with 3 18 bars. The environment classification is I.
Requirement: determine the maximum crack width.
Transcribed Image Text:中国移动 VPN 1:00 PM © 40% A simply supported rectangular beam with dimension of h = 550 mm and b = 250 mm is subjected to bending moment. The bending moment under the quasi-permanent combination of load effect, M, = 72 kNm. Concrete strength grade is C30, and the beam is reinforced with 3 18 bars. The environment classification is I. Requirement: determine the maximum crack width.
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