If member AC in the frame shown is straight, what would its internal force be? Indicate also whether the force is tensile or compressive. 50 kN B A 1.5 m 1.4 m 1.4 m C D 25 kN 1 m 1 m
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- 16 -The stair beam in the figure will have support reactions. A support is a fixed, B support is a sliding joint. loads P1= 15 kN, P2= 30 kN, dimensions a = 2 m, b = 6 m, c = 4 m. Accordingly, Bx = ?A) 3.75B) None.C) 18.75D) 0E) 30A solid brass [E = 109 GPa] axial member is loaded and supported as shown. Segments (1) and (2) each have a diameter of 27 mm and segment (3) has a diameter of 13 mm. Assume L1 = 1.8 m, L2 = 1.0 m, L3 = 1.7 m, R = 38 kN, Q = 14 kN, and P = 24 kN. Determine:(a) Determine the axial force in section (2) in kN. (b) Determine the deflection of joint D (positive if downward) with respect to the fixed support at A. (c) Determine the maximum normal stress in the entire axial member. Give answer in MPa.An I beam whose flange width is 357mm, flange thickness is 15mm, web thickness is 20mm, total depth of 450mm and Fy of 248MPa is to be used to carry a uniform load all throughout its length, 3m. 1. What is the allowable bending stress? a. 153.69 MPa b. 161.75 MPa c. 192.69 MPa d. 168.23 MPa 2. Determine the moment of inertia of the section. a. 0.732 x 10⁹ mm⁴ b. 0.517 x 10⁹ mm⁴ c. 0.630 x 10⁹ mm⁴ d. 0.810 x 10⁹ mm⁴ 3. What is the maximum safe uniform load that the beam could carry? a. 402.58 kN/m b. 164.6 kN/m c. 476.56 kN/m d. 541.6 kN/m
- the frame shown is subjected to lateral loads as shown. Supports S, T, U, V, W, and X are rigid supports. Column HMS Column ADINT - 400*400 Column BEJOU - 500*600 Column CFKPV - 600*600 Column GLQW - 500*600 Column RX - 300*300 Find: a) find the center of gravity(x̄) b) shear(v) and axial forces(p) and moment(m) at each column and girdersA built-upsection is to be used as a girder. It is simply supported over a span of 9 meters and laterally supported at supports and midspan. Use Fy=345MPa and Cb=1.0 Properties of the section: A=12,620mm2 d=450 mm tw=10 mm bf=300mm tf=14mm rx=203.88mm ry=70.67 mm Ix=524.59x106mm4 a.Determine the elastic section modulus, Sx. b.Determine the plastic section modulus, Zx. c.Determine the compactness of the section. d.Determine the lateral support condition. e.Determine the Allowable Flexural Strength of the girder. f.Determine the Ultimate Flexural Strength of the girder.A W12x79 of A573 Grade 60 (Fy = 415 MPa) steel is used as a compression member. It is 8 m long, pinned at the top fixed at bottom with additional lateral support at mid height in the weak direction. The properties are as follows: Ag = 14,500 sq.mm, Ix= 258.6 x10^6 mm ^4 Iy=84.375 x 10^6 mm^4. 56. Calculate the critical slenderness ratio with buckling about weak axis
- A W12x79 of A573 Grade 60 (Fy = 415 MPa) steel is used as a compression member. It is 8 m long, pinned at the top fixed at bottom with additional lateral support at mid height in the weak direction. The properties are as follows: Ag = 14,500 sq.mm, Ix= 258.6 x10^6 mm ^4 Iy=84.375 x 10^6 mm^4. 55. calculate the critical slenderness ratio with buckling about strong axis.34 - A support is a fixed, B support is a sliding joint. loads M= 30 kNm, P1= 12 kN, P2= 13 kN, q1= 6 kN ⁄ m, q2= 7 kN ⁄ m , spans are a= 2 m, b= 3 m. The support reactions in the beam whose loading condition is given in the figure will be found. Accordingly, Ax = ?A) 22.25B) 0C) None.D) 39.25E) 21/219 - In the plane truss system, the loading status of which is evident in the figure, the support reactions and all rod forces will be found. A is the fixed joint and B is the sliding joint. Single upload P = 35 kN, dimensions a = 1 m and bar numbers are given. Accordingly, S5 = ? A) 140B) 35C) 70D) 99E) 49.5
- Draw the Normal Force (N), Shear Force (T) and Bending Moment (M) diagrams of the beam whose loading condition is given in the figure. H=3ton , M=16tm, q1= 15t/m ,q2= 8t/m ,P=10ton ,a=8meterGiven a 2.0meter Wide Flange steel compression member with A=4832mm2, Ix=88951759mm4 and Iy=3223498mm4 with Fy = 345MPa. Calculate the allowable strength in KN if both ends are hinged or pinned. Express your answer in 2 decimal places.The rigid bar BC is supported by the steel rod AC of cross-sectional area 0.27 in2. Find the vertical displacement (in inches and absolute value) of point C caused by the 2448-lb load if x = 9.5 ft and θ = 41.7ᵒ. Use E = 29147 ksi for steel. Note: Round off the final answer to four decimal places.