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- Determine the safe load of the column section shown, if it has a yield strength of 25 MPa. E = 200000 MPa. Use NSCP Specifications. Fyz248 mpa Properties of Channel Section d = 305 mm t₂ = 7.2 mm A = 3929 mm² t₁ = 12.7 mm Ix=53.7 x 10mm¹ x = 117 mm Properties of W 460 x 74 A = 9450 mm² b = 190 mm ly= 1.61 x 10 mm x = 17.7 mm tw = 9.0 mm rx = 188 mm ry = 41.9 mm d = 457 mm tr = 14.5 mm Ix = 333 x 10 mm Iy = 16.6 x 10mm* 7.21 When the height of column is 6 m. When the height of column is 10 m. Assume K= 1.0 457 CIVIL ENGINEERING- STEEL DESIGNA simply supported beam shown below is HEA 400 of 5355 steel. It is laterally supported at points with an "X" The material properties and the section properties are given below. Use ASD load combination DL+LL and determine whether the beam has adequate flexural strength. Material: $355 Fy= 355 MPal Fu= 510 MPa E= 200000 MPa Section properties: A: 15900 mm² d: 390 mm h: 298 mm b: 300mm tr: 19 mm W 2311x10³ mm³ Iy: 8564x10*mm* A 4m t: 11 mm. İy: 73.4 mm W: 2563x10³ mm³ J: 189x104 mm DL: 150 KN LL: 100 KN 17 B 4m Cw: 2942x10⁹ mm C E: 200000 MPaAW10x30, 3.1 m long A36 steel is used as a column with fixed ends to support a service dead load of 267 kN. Calculate the maximum service live load the column can sustan uning LRFD Use theoretical value of k. Write your answer rounded to the nearest whole number in KN Use properties Ag = 5.703 mm2, rx = 111.25 mm, ry = 34.8 mm. Use stored value. Asnwer in 5 decimal places.
- 2. The A-36 steel Bar BC had a diameter of 40 mm before the two loads, P, were applied. If after loading, the new diameter of the bar is 39.995 mm, what was P? P -1 m B 0.75 m 1 mA W16X31 A992 steel is used as a beam. The beam has a continuous lateral support. The uniformly distributed load shown in the figure is a service load that consists of 50% dead load (included the beam weight) and 50% live load. Using LRFD, determine the following? Note: A992 STEEL Fy = 50 ksi Ag = 9.13 in^2 Zx = 54.0 in^3 What is the Ultimate (Governing Load Combo) Maximum Positive and Negative Moment (at midspan) in kips-ftQ2 A W6 x 15 structural steel column is 24 ft tall and is fixed at its base and top. It is braced (horizontally) at the midspan. These braces are pin-connected to the column's web. Determine the load that the column can support so that it does not buckle nor the material exceeds the yield stress. Use the undermentioned data: = 29 (10) ksi Oy = 60 ksi I = 29.1 in %3D Iy = 9.32 in
- Y Suppose that P = 250 lb. (Figure 1) Figure T T301-381-38- W 481 46 Part C FBC = Part D Submit Request Answer FBD= Part E FCD= Submit Part F FCE= Submit Determine the force in member of the truss. Express your answer in pounds to three significant figures. Enter negative value in the case of compres the case of tension. Part G FDE= Part H - ΑΣΦ It vec Determine the force in member BD of the truss. Express your answer in pounds to three significant figures. Enter negative value in the case of compressi the case of tension. FDF= 17 ΑΣΦ Submit Part I 1 of 1 > Request Answer Submit Request Answer FEF= ΓΙ ΑΣΦ 11 Eved Submit - Η ΑΣΦΙ Request Answer Determine the force in member CD of the truss.. Express your answer in pounds to three significant figures. Enter negative value in the case of compression and positive value in the case of tension. -- ΑΣΦ Ivec Request Answer 17 ΑΣΦ 4 Part A 5 Request Answer it vec Determine the force in member AB of the truss Express your answer in pounds to…Refer to the figure shown, if h1=150mm, h2=300mm, b=300mm, fc'=35MPa and fy=420MPa. Calculate the following gives the balanced steel area in mm2? h₁ As b h₂The rigid bar AB, attached to two vertical rods as shown in the figure, is horizontal before the load is applied. If the load P = 50 kN, determine its vertical movement. STEEL L=3 M A= 300 mm² E= 200 GPa 2m зм P= 50 KN ALUMINUM L=43 A== 1500 mm² E-7067.
- Two plates are connected using three 20-mm-diameter bolts as shown in the figure. If the axial load P is 50 kN determine the shear stress in each bolt. 130 mm 25 mm Your answer: O 53 MPa. O 159 MPa O26.5 MPa O 79.5 MPa O 106 MPa: ooo 25 mm PThe beam is constructed from three boards. (Figure 1) It is subjected to a shear of V = 5.8 kip. Each nail can support a shear force of 550 lb. Part A Determine the maximum allowable spacing s of the nails used to hold the top flange to the web. Express your answer to three significant figures and include appropriate units. ? St = Value Units Submit Request Answer igure Part B 15 in. o10 in Determine the maximum allowable spacing s of the nails used to hold the bottom flange to the web. Express your answer to three significant figures and include appropriate units. 12 in 1 in. HẢ ? 15in. 6 in Sh = Value UnitsA round bar made of same material consists of 3 parts each of 100 mm, length having diameters of 40 mm, 50 mm and 60 mm respectively. If the bar is subjected to an axial load of 10 kN, the total elongation of the bar would be (E is the modulus of elasticity in KN/mm². (a) 4/1 1 1 + + (b) TE 16 25 36 (c) 1 0.4 1 1 + wwwwww + TE 16 25 36 (d) 4√2/1 1 1 www + wwwwwww + TE 16 25 36 40/1 1 1 + TE 16 25 36 — ===== + — mm mm mm mm