7-1. If the wide-flange beam is subjected to a shear of V = 20 kN, determine the shear stress on the web at A. Indicate the shear stress components on a volume element located at this point. Prob. 7-1 200 mm A 20 mm B 20 mm 300 mm 200 mm 20 mm
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- A steel bar having cross-sectional areaA=1200mm2 is compressed by an axial loadP=53 kN.Determine the average normal and shear stressesacting on aninclined sectionaa cut through the bar at angleα=250.(Point K is a fixed support) A=5, B=3, C=8Compute the shearing stress (MPa) in the pin at B for the member supported as shown in the figure below. The pin diameter is 20 mm Final answer should have 2 decimal places Where: L1=204 mm, L2=259mm, P=47 kN and angle =39Two d mm*10 mm cover plates are welded to two UPN 200 channels 100 mm high to form the cross section of the compound beam shown in the figure. The moment of inertia of each channel about a horizontal axis through the centroid is 19.10*106 mm4. a) Determine the support reactions. b) Draw the shear force and bending moment diagrams. c) If the allowable bending stress of the beam is 300 MPa, find the required width d of the plates to safely support the load.
- 31 -Loading status in figure q= 4 kN ⁄ m, P = 48 kN in the bar dimensions L= 2 m and e= 0.5 m. The cross-sectional effects at point E will be calculated. A is fixed, B is sliding joint bearing. Accordingly, the shear force at point E T=? a) 2B) 4C) 14D) 0E) 6ASAP PLEASE. 4 DECIMALS THANK YOU a. Determine the maximum positive shear force in kN. b. Determine the maximum negative shear force in kN. c. Determine the maximum positive bending moment in kN-m. d. Determine the maximum negative bending moment in kN-m. e. Determine the point of inflection from point C in meters.A horizontal beam is supported by an inclined strut and carries a load of 15 kN at joint AD CBD in the figure. The strut, which consists of two bars each of thickness 40 mm, is connected tothe beam by a rivet passing through the three bars meeting at joint. The allowable shear Cstress and bearing stress are all, z =60 MPa and =120 MPa, respectively.a) Determine the required diameter of the rivet at the hinge that carries safely by the given Csystem.b) If the diameter rivet used on the support is 20 mm check whether this rivet diameter is Asufficient for the given system.
- Data are as follows: P = 6.2 kN, L = 3.2 m, d = 1.25 m, b = 80 mm, t = 25 mm, h = 120 mm, and h1 = 90 mm. (1) Locate the position of the neutral axis in the cross section as shown in Fig.3-a. ((2) Determine the maximum tensile stress σt,max and maximum compressive stress σc,max due to the load P acting on the simple beam AB, if the cross section has the moment of inertial about the neutral axis is IZ = 5.88×10-6 m4. A freight-car axle AB is loaded approximately as shown in Fig.3-b, with the forces P representing the car loads and the forces R representing the rail loads. The diameter of the axle is d = 82 mm, the distance between centers of the rails is L, and the distance between the forces P and R is b = 220 mm. Please calculate the maximum bending stress σmax in the axle if P = 50 kN.The cross section of a steel beam is constructedof a W 18 × 71 wide-flange section with a 6 in. × 1/2 in.cover plate welded to the top flange and a C 10 × 30channel section welded to the bottom flange. This beamis subjected to a bending moment M having its vector atan angle θ to the z axis (see figure).Determine the orientation of the neutral axis andcalculate the maximum tensile stress σt and maximumcompressive stress σc in the beam. Assume thatθ = 30° and M = 75 kip-in. Note: The cross- sectionalproperties of this beam were computed in ExamplesD-2 and D-5.2.) A beam has a T-section built up by two plates as follows: a 200 mm x 40 mm plate as flange and a 100 mm x 20 mm plate as web. The maximum shear force acting on the beam is 60 kN. a) Determine the moment of inertia of the section about the neutral axis, in mm4. b) Determine the shear stress at the neutral axis, in MPa. c) Determine the shear stress on the web at the junction of the flange and the web, in MPa.
- Draw Shear & Moment Diagrams. Find Vmax, V=0, Mmax, M=0Compute the force in member BD in kN. P1=186kN, P2=107 kN and x = 7.9 m. Write numerical value only and in 2 decimal placesCalculate the normal stress due to flexure at the flange level to web Interface at A. Ixx= 1,241 in^4. Bending moment (M)= 350 ft-kips. Shear (v)= 80 kips.