A beam segment subjected to internal bending moments at sections A and B is shown along with a sketch of the cross-sectional dimensions. The beam segment is subjected to internal bending moments of MA = 1390 N·m and MB = 3080 N·m. The segment length is Δx = 180 mm. Consider area (2) and use cross-sectional dimensions of b = 92 mm, d = 240 mm, and d2 = 68 mm. (a) sketch a side view of the beam segment and plot the distribution of bending stresses acting at sections A and B. Indicate the magnitudes of key bending stresses on the sketch, including the stresses at the top and bottom of area (2) on both sections A and B. Tensile stresses are positive, while compressive stresses are negative. (b) determine the resultant forces acting in the x direction on the specified area at sections A and B, and show these resultant forces on the sketch. Tensile forces are positive, while compressive forces are negative. (c) determine the magnitude of the horizontal force required to satisfy equilibrium for the specified area and show the location and direction of this force on the sketch.
A beam segment subjected to internal bending moments at sections A and B is shown along with a sketch of the cross-sectional dimensions. The beam segment is subjected to internal bending moments of MA = 1390 N·m and MB = 3080 N·m. The segment length is Δx = 180 mm. Consider area (2) and use cross-sectional dimensions of b = 92 mm, d = 240 mm, and d2 = 68 mm. (a) sketch a side view of the beam segment and plot the distribution of bending stresses acting at sections A and B. Indicate the magnitudes of key bending stresses on the sketch, including the stresses at the top and bottom of area (2) on both sections A and B. Tensile stresses are positive, while compressive stresses are negative. (b) determine the resultant forces acting in the x direction on the specified area at sections A and B, and show these resultant forces on the sketch. Tensile forces are positive, while compressive forces are negative. (c) determine the magnitude of the horizontal force required to satisfy equilibrium for the specified area and show the location and direction of this force on the sketch.
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