2. The cross section of an idealised thin wall symmetrical wing box beam is shown in Figure Q2. The beam is carrying a vertical concentrated point load of 1kN through a point at 250mm to the right of the web AB. Assume sheet materials carry shear forces only and booms carry the end tensile or compressive loads. Assume E=70GPa and G= 25GPa Calculate: • the shear flow distribution in the walls of this idealised beam. • the angle of twist per meter length of the beam if the thickness of the vertical webs and skins are 2mm and 1mm each respectively.

2. The cross section of an idealised thin wall symmetrical wing box beam is shown in Figure Q2. The beam is carrying a vertical concentrated point load of 1kN through a point at 250mm to the right of the web AB. Assume sheet materials carry shear forces only and booms carry the end tensile or compressive loads. Assume E=70GPa and G= 25GPa Calculate: • the shear flow distribution in the walls of this idealised beam. • the angle of twist per meter length of the beam if the thickness of the vertical webs and skins are 2mm and 1mm each respectively.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A beam ABC with an overhang from B toC supports a uniform load of 200 lb/ft throughout itslength (see figure). The beam is a channel section withdimensions as shown in the figure. The moment of inertiaabout the z axis (the neutral axis) equals 8.13 in4.(a) Calculate the maximum tensile stress σt andmaximum compressive stress σc due to theuniform load.(b) Find the required span length a that results inthe ratio of larger to smaller compressive stressbeing equal to the ratio of larger to smaller tensilestress for the beam. Assume that the totallength L =a + b = 18 ft remains unchanged.
H.M..... An isotropically reinforced. Square two way slab is supported as shown in the figure below and is subjected to a uniformly distributed load W. using the principle of virtual work, determine the collapse load Wn. The plastic moment of resistance per .meter width of the slab is Mn H.W Mode 2 H.W a) ±ve mom. Mn tve mom=Mn -ve mom.al-2nn 内容

A steel pipe is subjected to the 16-kN load shown below. Its outside diameter is 140 mm and its thickness is 7 mm. Consider that the yield strength of steel is 240 MPa. Analyze point H ONLY. Due to the pressure in the pipe, there is an 11.25-MPa (T) normal stress along x and a 22.50-MPa (T) normal stress along z of point H. A. Determine the internal forces and moments at the pertinent section through an FBD. B. Determine the stresses experienced by point H. Illustrate using a stress element. C. Determine the FS by MSST at point H D. Determine the von Mises equivalent stress at point H E. Determine the FS by MDET at point H 700 mm 16 KN 1,300 mm
Problem 2 The rigid bar is plnned at A and held by two flexible bars at E and C. The load P Is applled at B. The two flexible bars FE and DC each have a diameter of 1 In. The flexible bars are elastic- perfectly plastic with a yleld stress equal to 20 ksl and a yleld strain of 0.001. Determine the following: The load R, at first yleld and the corresponding deflection at B, &, The ultimate load Pu and the corresponding deflection du The permanent deflection and residual stresses in each rod if the ultimate load is removed Construct P - A curve showing yield, ultimate and permanent deformation o (ksi) 1 ft E F 1 ft1 ft 20 B P e (in./in.) 0.001 1 ft D 2 ft 1 ft A
A square plate of side 300 mm is subjected to pure shear of intensity 100 MPa as shown in figure. Young's modulus of the material is 2 x 105 MPa and Poisson's ratio is 0.2. Find the algebraic sum of principal strains. 100 MPa B 100 MPa A D
A beam under load experiences sagging with a maximum bending moment of 24 x 106 Nm. The beam has a rectangular section (see Figure Q3b) where b = 35 mm and d = 65 mm. Calculate the maximum tensile stress and the maximum compressive stress for this beam.
The bronze bar 5 m long with a cross sectional area of 425 mm² is placed between two rigid walls as shown in the Figure. At a temperature of -20°C, the gap A = 3.8 mm. Find the temperature at which the compressive stress in the bar will be 35 MPa. Use a = 18.0 x 10-6 m/(m-°C) and E = 80 GPa. L A
The cross-sectional dimensions of the beam shown in the figure are a = 4.0 in., b = 4.5 in., d = 4.0 in., and t = 0.34 in. The internal bending moment about the z centroidal axis is M, = -3.70 %3D %3D kip-ft. Determine (a) the maximum tension bending stress (a positive number) in the beam. (b) the maximum compression bending stress (a negative number) in the beam. b y ((ур.) d a a Answers: (a) OmaxT = psi (b) Omax C = psi
The lower end of the three bars in the figure are at the same level before the rigid homogeneous 18 Mg block is Each steel bar has an area of 600 mm2 and E=200 GPa. For the bronze bar, the area is 900 mm2 and E=83 GPa. a.) Compute the stress developed in the bronze bar. b.) Compute the stress developed in the steel bar and c.)Compute the elongation of the bars.
Strength of materials
I need to solve the question in the strength materials
3. For the given state of stress, determine the principal planes, the principal stresses, the max shear stress. You must use Mohr's Circle. 20 MPa 32 MPa 55 MPa