The beam shown in the figure 1 supports the unfactored loads shown. The dead load includes the weight of the beam. a). Draw shearing-force diagrams for 1). Factored dead and live load on the entire beam; 2). Factored dead load on the entire beam plus factored live load on the left half-span; 3). Factored dead load on the entire beam plus factored live load on the right half-span. and b). Superimposed the diagrams to get a shear-force envelope. Compare the shear at midspan to that from eq. (6-26). c). Design stirrups. Use f'c= 4500 psi and No.3 double-leg stirrups with fyt 40,000 psi.
The beam shown in the figure 1 supports the unfactored loads shown. The dead load includes the weight of the beam. a). Draw shearing-force diagrams for 1). Factored dead and live load on the entire beam; 2). Factored dead load on the entire beam plus factored live load on the left half-span; 3). Factored dead load on the entire beam plus factored live load on the right half-span. and b). Superimposed the diagrams to get a shear-force envelope. Compare the shear at midspan to that from eq. (6-26). c). Design stirrups. Use f'c= 4500 psi and No.3 double-leg stirrups with fyt 40,000 psi.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The beam shown in the figure 1 supports the unfactored loads shown. The dead load includes the
weight of the beam.
a). Draw shearing-force diagrams for
1). Factored dead and live load on the entire beam;
2). Factored dead load on the entire beam plus factored live load on the left half-span;
3). Factored dead load on the entire beam plus factored live load on the right half-span.
and
b). Superimposed the diagrams to get a shear-force envelope. Compare the shear at midspan to
that from eq. (6-26).
c). Design stirrups. Use f'c= 4500 psi and No.3 double-leg stirrups with fyt = 40,000 psi.
Figure No.1
42"
LL= 2.2 kin .
DL= 1.8 Ki/jr.
14"
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