Box Beam Pin Support at A a B Box Beam b C D a 1.7 ft, b = 3.4 ft, and c = 2.55 ft. P = 3000 lb diameter of pin A=0.820 in. box beam wall thickness, t = 0.610 in. What is the average bearing stress in the box beam at A? Answer in ksi rounded-off decimal places
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- Box Beam Box Beam B C D Support at A b a = 1.7 ft, b = 3.4 ft, and c = 2.55 ft. P = 3000 lb diameter of pin A=0.820 in. box beam wall thickness, t = 0.610 in. What is the average bearing stress in the box beam at A? Answer in ksi rounded-off to 2 decimal places PinA beam carries a uniform distributed load of intensity w in N/m. It was determined that Vmax = 7.5w N, (+)Mmax = 5.2w N-m, (-)Mmax = 4.5w N-m. From the given cross section shown, ytop = 64.183 mm, ybot = 135.817 mm, and INA = 25.059 x 10 6 mm4. The allowable stresses are as follows: σfT = 30 MPa, σfC = 60 MPa, and τ = 10 MPa. a. The safe uniform load considering tensile flexural strees is _____N/m b. The safe uniform load considering compressive flexural stress is _____ N/m. c. The moment inertia of the area about the neutral axis is _____ mm^3. d. The safe uniform load considering maximum shear force is _____ N/m e. Based on your analysis, the safe uniform load to recommend is _____ N/m.The cantilever beam shown is subjected to a concentrated load of P=70800 lb. The cross-sectional dimensions and the moment of inertia of the W16x57 wide-flange shape are: d = 16.4 in. tw=0.430 in. by=7.12 in. ty=0.715 in. 1₂-758 in.4 Compute the value of the shear stress at point H, located at y = 4.8 in. below the centroidal xis. H Answer: Shear stress = psi
- @List tus types of vet Jonds bA Cantilever bbeam is nveted to a Column hivets at Pownts a,b,c,d ande as Shown below An eccentric Load beam as Sheidn. If The Permissible Shear Stress. 2=95N/mm2 Detomine 80L0ad On nivet a. ) Diameter of rwet b rwet Jonts fivE of 70KN is Supported On the OoLumn 70KN 104cm- 9. C 8Ocm K Contilever BeamFor a steel circular cantilever beam, 10mm in diameter, 700mm in length with an applied load of 7.848N in the free end, produce a sketch showing the distribution of stresses across the beam section for an applied moment of M=(3/4My+1/3Mp). Where My=24543.5 N.mm and Mp=41666.66667 N.mm and yeild stregth of material is 250Mpa. CheersThe cantilever beam is subjected to a concentrated load of P-50 kips. The cross-sectional dimensions of the wide-flange shape are shown in the second figure. Assume yy-4 in., yk-1.5 in., d-15.1 in., -0.273 in., -0.409 in., by-6.89 in. Determine: (a) the shear stress T at point H, which is located 4 in. below the centroid of the wide-flange shape. (b) the maximum horizontal shear stress Tax in the wide-flange shape. Answers: (a) Tx = = (b) Tmax = i M. P ksi. K Yk H ksi. YH
- Find the Magnitude of the Maximum Shear Stress in the below beam and cross-section, if: W = = 6 kN/m L = 5 m b = 55 mm h = 144 mm Ensure that your answers are in MPa. Mo W Cross-Section: L b hA WT305 x 41 standard steel shape is used to support the loads shown on the beam. The dimensions from the top and bottom of the shape to the centroidal axis are shown in the sketch of the cross section. Assume LAg - 2 m, Lac- 7 m, Lco- 4 m, PA- 14 kN, Wac- 8 kN/m. Consider the entire 13-m length of the beam and determine: (a) the maximum tension bending stress or at any location along the beam, and (b) the maximum compression bending stress oc at any location along the beam.The bending moment diagram (B.M.D) of the base of (2.5x2.5)m dimensions opening box culvert (shown below), Find the live load acting on it. Make use: the thickness of the roof and wall is 0.25m, 9 s=18 Kn/m², 9c=25Kn/m³, Ho=1.5m and the impact factor is (1.3). 57 kn.m 55.7 kn.m 57 kn.m
- A uniform wind load of q = 0.2 kN/m? acts on the billboard with dimensions of b = 1.5 m and a = 1 m. The allowable normal stress is oalow = 140 MPa, c = 0.5 m for the circular cross section panel pole. Draw the shear force, bending moment and torsional moment diagrams for the panel pole. a) Calculate the cross-section diameter d, using the maximum shear stress (Tresca) criterion. b) Calculate the cross-section diameter d, using the maximum distortional energy (von Mises) criterion. SOLUTION kesitA beam which is composed of concrete and a wide flange steel is subjected to moment M = 1146 kN.m. Id I. 2d d Econc = 4.1 x 104 MPa Est = 2.46 x 105 MPa d = 380 mm Ast = 24066.667 mm2 Ist = 1158.409 x 106 mm4 If it is a design requirement that the compressive stresses should only be carried by the concrete, compute the stress at the extreme fiber of concrete. Select the correct response: -10.442 MPa -13.993 MPa -11.390 MPa -14.324 MPaThe lever must exert a force of P = 3800 Ibs at B as shown. The lever lengths are a = 11 in. and b = 47 in. The allowable bending stress for the lever is 12600 psi. If the lever height h is to be 3.5 times the lever thickness t (i.e., h/t = 3.5), what is the minimum thickness t that can be used for the lever? h Cross section Lever a Answer: t = i in.