A box beam is formed by welding together two steel C15x50 channels and two steel plates as shown in the left-hande...
Q2. Determine the effective net area of a channel section C15 x 50 (A36 steel) with two lines of 4-in bolts in its web (four in a line 4-in on center) as shown in Fig. Q2. The properties of the channel are as follows: A 14.7 in2, d 0.65 in, I 404 in, Iy 11.0 in, = 0.799 in. = 15.0 in, tw = 0.716 in, br = 3.72 in, t - (25%) ELEVATION $4 in 2 in 2 in...
Page 7 of 9 Q4. (30%) Composite Beam Three identical wooden beams and two identical steel plates are bolted together to form the composite shown in the sketch. Determine the largest allowable bending moment, Malom, when the member is bent about the horizontal axis. Include sketch of transformed area, and list all assumptions and equations. Material/Properties Wood Steel Elastic Modulus 2,900,000 psi 29,000,000 psi Allowable Normal Stress 3,000 psi 18,000 psi 10 in 2.5 in 0.25 in a) Determine n...
2. The A-36 steel beam cross-section (E - 29.0 Msi, oy 36 ksi) with dimension:s shown is subjected to bending. Find: a. y, the distance to the centroidal axis b. lx, the moment of inertia about the centroidal x-axis c. Mv, the maximum elastic moment. 2 4 6 6' 01 24
A steel column is made by welding two 10 in x 0.8 in plates to a W8 x 48 shape as shown in the figure 1. Knowing that the effective length of the column is 24 ft, determine the allowable centric load using the AISC code. Use Sy = 36 ksi and E = 29 x 106 psi W8 x 48 properties: A (in2) d(in) bf (in) tr(in) tw (in) Ix (in) x(in) ly (in“) ry(in) 14.1 8.5 8.11 0.685...
The beam shown in Image 1 is made by joining two C250 x 37 channel sections and two thin plates If 18mm diameter bolts are placed every 125mm, determine the shear stress they withstand when V120KN (parallel to the y axis) is applied to the beam. Consider the dimensions and properties of the sections shown in the table. 1 Section properties Moment of inertia of each channel section Icentroid = 37.9 x 10° mm 350 x 10mm Area of each...
2. The frame shown consists of a very stiff steel beam with a wide-flange beam (W33 X 200), welded rigidly to two vertical channels (C8 X11.5). Assume that the mass of the channels is small compared to the mass of the beam. The area moment of inertia of each channel about its centroidal bending axis is 1.3 in. An eccentric exciter weighting 50 lb is attached to the beam, which weighs 2,000 lb, and is used to excite the frame....
2· The frame shown consists of a very stiff steel beam with a wide-flange beam (W33 X 200), welded rigidly to two vertical channels (C8 X 11.5). Assume that the mass of the channels is small compared to the mass of the beam. The area moment of inertia of each channel about its centroidal bending axis is 1.3 in'. An eccentric exciter weighting 50 Ib is attached to the beam, which weighs 2,000 lb, and is used to excite the...
The frame shown consists of a very stiff steel beam with a wide-flange beam (W33 X 200), welded rigidly to two vertical channels (C8 X11.5). Assume that the mass of the channels is small compared to the mass of the beam. The area moment of inertia of each channel about its centroidal bending axis is 1.3 in'. An eccentric exciter weighting 50 lib is attached to the beam, which weighs 2,000 lb, and is used to excite the frame. The...
Problem No. 3 (16pt) A wood beam is strengthened using two steel plates as shown in the figure below. If moduli of elasticity are Est = 30,000 ksi and Ebr = 1,5000 ksi for steel and wood, respectively. Use transformed section method to determine: Wood a. The maximum moment about the z-axis if the allowable normal stress for the wood is Ow,all = 1.3 ksi. b. The maximum moment about the z-axis if the allowable normal stress for the steel...
QUESTION 33 A simply supported steel beam with two eccentric loads as shown in the figure (17) below. The second moment of area of the beam section about the neutral axis is ( 1-0.201 x 10 mm). And the modulus of elasticity (E 207 GPa) Al dimensions in mm), Answer (Question 33-Question 361 3.5 kN 2.1 kN E 207 x 10" Pa 300. Figure (17) The support reaction at point A in the y direction (RAy):(CLO6) (a Point) 2.71 KN...