QUESTION 2 The flat roof of the steel frame building shown in Figure 02 is intended...
2. A roof plan for a small building is shown below. The roof is composed of joists which frame beams or girders, which frame into into columns A, B, C, and D. The joists support a dead load 200 lb/ft2 and live load - 500 lb,/ft?. In Area ABEF there are 4 joists evenly spaced at 6 ft O.C. In Area FGHD there are 3 joists evenly spaced at 5 ft OC. Joists 5 ft 15 ft typ. typ. 6...
A roof truss is loaded and supported as shown in Figure 2. The joints are all pinned. (a) Determine the support reactions at A and G. (25 marks) (b)Using "Method of joints" find the forces in members AB, AF, GF, CD and DE of the truss. State whether each of these members is in tension or compression. (75 marks) (c) Determine the force in members BC, CF and EF of the truss using "Method of sections". State whether each of...
A beam of the roof of a building is assumed to be loaded as in Figure below along with its support conditions at the end. Determine: (i)the reactions at the supports A and C (i) the deflection in the middle of the span by the double-integration method Wa Fixed end Fixed end A beam of the roof of a building is assumed to be loaded as in Figure below along with its support conditions at the end. Determine: (i)the reactions...
2. A beam is composed of two IPE 100 steel sections as shown in the figure. To increase its strength, it is proposed that two steel plates of thickness 8 mm be added at its top and bottom flanges. a) Determine the support reactions. b) Draw shear force and bending moment diagrams. c) If the allowable bending stress of the beam is 300 MPa determine the required width d of the plates to safely support the load. (Use Imar =...
3. Wind load: The building shown in the figure 2 is a disaster operation center (risk category IV) in Miami, FL and located on a flat terrain. Find the design wind pressure acting on the roof and sides of the building. (it is an enclosed building, exposure category C and the Gust effect coefficient G is 0.85). [30 points] Frame-2 plan 30 Wind direction - -- -- 30 Elevation of Frame! TIT Figure 2. Cross section and plane view of...
Q5. The cantilever beam, AC, is subjected to the load case shown in Figure 5. For the loading shown, do the following: [10 Marks] a) Calculate the magnitude and direction of the reactions at A b) Using the Macaulay function, determine the displacement in y of the point B of the beam (x 2.4 m from the support at A) [10 Marks] c) Determine the slope at B. [5 Marks] The beam has a Young's modulus of E-200 GPa and...
A frame structure resists a horizontal load and vertical load as shown in figure below. If the load factor is given 1.5, use the kinematic method to determine the plastic moment of the frame. Show the following collapse mechanism:- 51 a)Beam mechanism (10 marks) 2.5m b)Panel mechanism (10 marks) 10 B C 7m D A 5m
SAN4701 OCT/NOV 2016 QUESTION 3 The frame shown in the Figure 3 is having a fixed support at A and a hinged at support D Determine the reactions at the supports and moments at the joints using flexıbility method El is constant 20 kN/m 3 m 40 kN 3 m Figure 3 [30 marks] TOTAL MARKS [100] UNISA 2016 SAN4701 OCT/NOV 2016 QUESTION 3 The frame shown in the Figure 3 is having a fixed support at A and a...
The steel framework, as show in the figure below, is used to support the reinforced stone concrete slab. The slab is 7 inch thick. Determine the loading that acts along beam BE and girder ABC. Take a = 10 ft. and b = 15 ft. and roof live load of 100 lb/ft^2 . The steel framework, as show in the figure below, is used to support the reinforced stone concrete slab. The slab is 7 inch thick. Determine the loading...
A mild steel frame ABCD, in Figure 3, is supported on rollers at A and C, and is rigidly fixed at D. It carries a collapse load of 200λ kN acting at an angle of 45° to the horizontal at point E in span AB, The plastic moment of resistance of members AB and BD 250 kNm and that of BC 125 KNm. Using plastic theory, calculate: (a) The collapse load factor of the frame. (b) The reactions and bending...