3) A beam of square cross section with a = 6 in. supports the load distribution...
3) A beam of square cross section with a = 6 in. supports the load distribution shown. Determine the maximum tensile, compressive, and shear stresses. 4 kips/ft a А B с a 12 ft 6 ft
A 15-ft solid concrete cantilever beam with a rectangular cross-section is shown below. It supports a load w = 2,150 lb/ft. The concrete has a tensile strength of 650 psi and a compressive strength of 6,000 psi. (a) Determine the maximum tensile and compressive stresses in the beam due to the applied load (b) Explain where failure would initiate in the solid concrete beam under the applied load. (c) Because the solid concrete beam is not adequate to carry the...
A rectangular reinforced concrete beam of span 16 ft supports a concentrated load of 40 kips at mid-point of the beam and a uniformly-distributed load of 4 kips/ft over the entire span. Given: (a) The breadth of the beam is 18 inches. (b) Concrete compressive strength, fc, is 3500 psi. (c) Rebar is Grade 40 steel i) Determine the maximum moment and maximum shear acting on the beam. ii) Determine the minimum effective depth 'd' of the beam section (rounded...
A rectangular reinforced concrete beam of span 16 ft supports a concentrated load of 40 kips at mid-point of the beam and a uniformly-distributed load of 4 kips/ft over the entire span. Given: (a) The breadth of the beam is 18 inches. (b) Concrete compressive strength, f 'c, is 3500 psi. (c) Rebar is Grade 40 steel i) Determine the maximum moment and maximum shear acting on the beam. ii) Determine the minimum effective depth 'd' of the beam section...
A cantilever cast-iron beam is 6 ft long and has a “T” cross section, as shown. Calculate the maximum tensile and compressive bending stresses. The applied load is 450 lb. Neglect the weight of the beam. Show the diagram of both (Tensile and Bending stresses at the section area). 450 lb 60" (a) Load diagram (b) Section A-A
Two vertical forces are applied to a beam of the cross section shown. Determine the maximum tensile and compressive stresses in portion BC of the beam. 3 in. 3 in. 3 in 6 in 2 in 20 kips 20 kips 38 in. 60 in. 38 in. 6 in in. 20 kips 20 kips 38 in 60 in 38 in, ksi top bot ksi
Two vertical forces are applied to a beam of the cross section shown. Determine the maximum tensile and compressive stresses in portion BC of the beam. 30 kips 30 kips C D 20 in.
Q3
(25 pts) 3. For the cantilever beam shown below and to the left, Determine the reactions at the wall at C. Draw the shear (V) and moment (M) diagram for the beam and label the appropriate values. For the given cross section, determine the magnitude of the maximum COMPRESSIVE bending stress and state where this occurs along the length of the beam and along the height of the beam (top or bottom). Sketch the NORMAL stress distribution (profile) for...
blem 2. (70 points) 1. For the beam shown in Figure (a): a) b) draw the shear force and bending moment diagrams. (30 points) Select the most economical W shape for the beam with an allowable bending stress of 30 ksi. (10 points) determine the maximum tensile and compressive bending stresses at any location along the beam if the section shown in Figure (b) is used instead of the W shape section selectedin Part b. Would the beam be safe...
2. A 30 ft long simply supported beam supports a uniformly distributed load of 2 kips/ft over the entire span. The beam and cross section are shown below. Draw the shear and moment diagrams, find the neutral axis location, moment of inertia of the composite section, the maximum bending stress on the cross section. (40 points) 10" 2 k/ft 1-3" 30'-0"