Answered: The following shows the cross section…

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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Question

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.

Top reinforcing bars: (#10 bars)
Effective depth, d:
uniformly
distributed
load
mm.
Top Bars
(not all bars
are shown)
Shear
reinforcement
stirrups
Bottom Bars
(not all bars
are shown)
Positive moment
M₂+ 450 k-ft
21.5 inches
25.4 inches
28.5 inches
30.0 inches
Width
Beam Section
Depth
Beam loading diagram
Bending moment diagram
-Simple
support
Negative moment
M.--750k-ft

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