Three wooden boards are glued together to form an I-beam as shown in Figure 2(a). The allowable shear stress of the glue is 100 N/cm2 . i. Analyze the beam using transverse shear and determine the maximum shear force V the beam can sustain such that the allowable shear stress in the glue will not be exceeded. ii. In figure 2(b), the nails are to be used instead of the glue and the nails are spaced 12 cm apart along the axis of the beam. Analyze the beam using shear flow theory and determine the minimum required allowable shear force on the nails such that the maximum V the beam can sustain is that found in part (i).
Three wooden boards are glued together to form an I-beam as shown in Figure 2(a). The allowable shear stress of the glue is 100 N/cm2 . i. Analyze the beam using transverse shear and determine the maximum shear force V the beam can sustain such that the allowable shear stress in the glue will not be exceeded. ii. In figure 2(b), the nails are to be used instead of the glue and the nails are spaced 12 cm apart along the axis of the beam. Analyze the beam using shear flow theory and determine the minimum required allowable shear force on the nails such that the maximum V the beam can sustain is that found in part (i).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Three wooden boards are glued together to form an I-beam as shown in Figure 2(a). The allowable
shear stress of the glue is 100 N/cm2
.
i. Analyze the beam using transverse shear and determine the maximum shear force V
the beam can sustain such that the allowable shear stress in the glue will not be
exceeded.
ii. In figure 2(b), the nails are to be used instead of the glue and the nails are spaced 12
cm apart along the axis of the beam. Analyze the beam using shear flow theory and
determine the minimum required allowable shear force on the nails such that the
maximum V the beam can sustain is that found in part (i).
Transcribed Image Text:10 cm
10 cm
I-I
2 cm
T
2 cm
15 cm
2 cm
15 cm
Glue
Nails
Figure 2 (b)
Figure 2 (a)
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