The following shows the cross section and bending moment diagram of a two-bay continuous beam. The beam dimensions are 24" wide by 28" deep. Stirrups are #4. The maximum bending moments for the continuous beam are shown on the diagram. (Negative indicates tension at top and positive indicates tension at bottom). Determine the required effective depth, area of steel and number of top and bottom reinforcing bars using the sizes indicated.
The following shows the cross section and bending moment diagram of a two-bay continuous beam. The beam dimensions are 24" wide by 28" deep. Stirrups are #4. The maximum bending moments for the continuous beam are shown on the diagram. (Negative indicates tension at top and positive indicates tension at bottom). Determine the required effective depth, area of steel and number of top and bottom reinforcing bars using the sizes indicated.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The following shows the cross section and bending moment diagram of a two-bay continuous beam. The beam dimensions are 24" wide by 28" deep. Stirrups are #4.
The maximum bending moments for the continuous beam are shown on the diagram. (Negative indicates tension at top and positive indicates tension at bottom). Determine the required effective depth, area of steel and number of top and bottom reinforcing bars using the sizes indicated.
Transcribed Image Text:What would be the minimum width of the beam if the longitudinal steel is 7 - #8 bars
and the center-to-center distance between bars is 3 times bar diameter?
uniformly
distributed
load
Top Bars
(not all bars
are shown)
Shear-
reinforcement
stirrups
Bottom Bars-
(not all bars
are shown)
Positive moment
M, -+ 450 k-ft
21 inches
23 inches
24 inches
28 inches
Width
Beam Section
www
Depth
Beam loading diagram
Bending moment diagram
simple
support
Negative moment
M.--750 k-ft
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