▾ Part A 4.5 ft- -4.5 ft- 3 ft- Determine the absolute maximum bending stress in the beam, assuming that the support at B exerts a uniformly distributed reaction on the beam. Express your answer to three significant figures and include appropriate units. Omax Value
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- Thumbs-Up will be given. Write the complette solutions legibly. Answer in 3 decimal places Structural Theory a. Determine the vertical reaction R₂ in KN. b. Determine the shear at midspan between vertical supports in KN c. Determine the maximum factored load moment in the beam in KN.mA 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.A simply supported beam AB = 9 m has a hollow rectangular cross-section with 13 cm as width, 20 cm as depth and inner thickness as 1 cm is subjected to a point load of 8 N & 8 N acting at C and D respectively and a uniformly distributed load (UDL) of 9 N/m starts from mid-span and ends at the right support of the beam. Determine the maximum bending stress and the bending stress at 1 cm from the top. Take AC = 1 m & CD = 2 m. note; sole 4 . 5.6 and 7 i) Reaction force at B in (N)= ii) Reaction Force at A in(N)= iii) The distance from B at which the shear Force value changes from "-" to "+" in (m)= iv) Maximum Bending Moment (Please write the Maximum bending moment valve in "Nm") = v) Moment of Inertia, I in (m^4)= vi) Maximum bending stress in (N/m^2)= vii) Bending stress at 1 cm from the top in (N/m^2) =
- Take 2 KN/m in place of 1.5. Determine support reactionWhich of the following is the nearest value for the force at member AC? a. 3.4 kN tension b. 3.4 kN compression c. 1.7kN compression d. 1.7kN tensionThe rigid beam ABC is supported by a pin connection at C and by steel rod (1), which has a diameter of 7 mm. If the normal stress in rod (1) must not exceed 215 MPa, what is the maximum uniformly distributed load w that may be applied to beam ABC? Calculate also the allowable force in rod 1. Use dimensions of a = 350 mm, b = 700 mm, and c = 525.0 mm.
- Refer to the beam loaded as shown. (a)What is the Value of horizontal reaction at the fixed support?(b)What is the value of resulting couple at A?A) Define the bending stress as relates of beams. B)A fixed AB length 3m carries a point load of 45KN at a distance of 2m from A.if the flexural rigity (i.e. EL)is 1×10^4KNm^2, determine: I) fixed end moment A and B II) Deflection under the load III) the maximum deflection IV) The position of the maximum deflection.A joint in a wooden structure shown has an applied loadF = 50 kN along the axis of the slanted member with anangle of 30°. Determine the bearing stress developedalong the plane ABC.Answer: σb ___________________
- 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.A simple wooden AB beam (see figure 2) supportsa uniform load of 24 kN / m (includes weightcharacteristic of the beam), with a length L = 1.75m and sectionrectangular cross section with width of 200mm and height250mm. Determine:a) Reactions and shear diagram.b) Using the maximum shear force, find theshear stress in:to. The centroid.b. At a distance of 62.5mm from the centroid.c. At the ends of the cross section.c) Draw the shear stress diagram withall values obtained.The deck of a bridge consists of ribbed metal deck with100mm concrete slab on top. The deck is supported by wide flange steelbeams strengthened by cover plates 16mmx250mm one at the top and oneat the bottom. The beams are simply supported over a span of 25m andare spaced at 1.20m on centers. The beam loads are shown below. Unitweight of concrete is 23.50kN/m3. a.) Determine the maximum bending stress in the cover plated beam dueto live load plus impact, MPa b.) Determine the average web shear stress in the beam due to liveload plus impact, MPa.