The deck is supported by two 40-mm square columns. The total weight of the boxes, W = 5,000N, act at the center of gravity point G and d = 2 m. Assume El = 3 x 10° N/mm? and oallow = 1.5N/mm?.a) Determine the buckling load, Par, of column CD assuming the column is pinned at C and Db) Determine the crushing load of column CDc) Can the column support the boxes? Why or why not?bh3NRecall: PcrKpin-pin = 1.0Irect(KL)?12CA4 m4 m-5 m-DB||

Answered: Image /qna-images/answer/3cc1714d-1105-4023-b662-37c4f9ccdd15.jpg

The deck is supported by two 40-mm square columns. The total weight of the boxes, W = 5,00 N, act at the center of gravity point G and d = 2 m. Assume El = 3 x 10° N/mm? and oallow = 1.5 N/mm2. a) Determine the buckling load, Per, of column CD assuming the column is pinned at C and D b) Determine the crushing load of column CD c) Can the column support the boxes? Why or why not? T²EI bh³ N Recall: Per Kpin-pin = 1.0 Irect (KL)2 12 國口 |C 4 m 4 m - 5 m- D B

The deck is supported by two 40-mm square columns. The total weight of the boxes, W = 5,00 N, act at the center of gravity point G and d = 2 m. Assume El = 3 x 10° N/mm? and oallow = 1.5 N/mm2. a) Determine the buckling load, Per, of column CD assuming the column is pinned at C and D b) Determine the crushing load of column CD c) Can the column support the boxes? Why or why not? T²EI bh³ N Recall: Per Kpin-pin = 1.0 Irect (KL)2 12 國口 |C 4 m 4 m - 5 m- D B

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

A simply supported rectangular concrete beam 6m long is reinforced with four-28mm diam tension bars and two-28mm diam. compression bars. The beam has a width of 300mm and overall depth of 400mm. The steel covering to the centroid of reinforcements is 70mm, fc’=30 MPa and fy=418 MPa. a. Draw the stress diagram b. Compute for the Ultimate moment capacity of the beam
A beam is being supported by the two rods, A-B and C-D that have a cross sectional areas of 14 mm2 and 21 mm2, respectively. Determine the magnitude of the triangular load w such that the normal stress in each rod does not exceed 350 kPa.
3. The center post B of the assembly has an original length of 124.8 mm whereas posts A and C have a length of 125 mm. If the caps on the top and bottom can be considered rigid, determine the average normal stress in each post. The posts are made of aluminum and have a cross sectional area of 400 mm². Ea=70 GPa. Use the Force Method 100 mm -100 mm 800 kN/m 125 mm 800 kN/m
If the allowable bearing stress for the material under the supports at A and B is = 710 psi, determine the maximum load Pmax that can be applied to the beam. The bearing plates each have square cross sections of 5 in. by 5 in. The reactions at the supports are vertical. Assume w = 650 lb/ft, a = 10ft, and b = 5 ft. Answer: Pmax i a B b lb
If the allowable bearing stress for the material under the supports at A and B is Ob = 780 psi, determine the maximum load Pmax that can be applied to the beam. The bearing plates each have square cross sections of 5 in. by 5 in. The reactions at the supports are vertical. Assume w = 600 lb/ft, a = 12 ft, and b = 6 ft. Answer: Pmax= i W a B b lb P
60 mm 150 mm 60 mm 300 mm 600 III 60 mm 150 m
The beam is supported by two rods AB and CD that have cross-sectional areas of 12 mm? and 8 mm? respectively. Determine the position d of the 6 kN load so that the average normal stress in each rod is the same. UD 6 kN d A C 3 m-
The concrete post (Ec = 30 GPa and a, %3D -6 o =10x10/C)is reinforced with six steel bars, each of 10 mm diameter (Es = 210 GPa and a̟ = 12×10/ C). Determine the normal stress-induced in the steel by a temperature fall of 70 °C. -6 o 3 m 30 cm 30 cm Select one: a. 21.84 MPa Compression b. 21.84 MPa Tension c. 1.08 MPa Compression d. 1.08 MPa Tension e. No stress f. None
AW250 x 32.7 structural steel [E = 200 GPa] wideflange shape is loaded and supported as shown. A uniformly distributed load of w= 13 kN/m is applied to the beam, causing the roller support at B to settle downward (i.e., displace downward) by 10 mm. Determine: (a) the reactions at supports A, B, and C. (b) the maximum bending stress max in the beam. Assume LAB = 4.4 m, LBc=5.2 m. Answers: (a) A = i (b) omax = LAB i B LBC KN, B= MPa. x kN, C = kN.
1. The assembly consists of three disks A, B and C that are used to support the load of 140 kN. If d₁ = 25 mm, d₂ = 70 mm and d3 = 30 mm, determine the following. a) The compressive stress in disk A b) The shear stress in disk B c) The bearing stress in disk C B d₁. 140 kN 1-d3 - -d₂- 20 mm | 10 mm L
Current Attempt in Progress A simply supported wood beam that is 9.6 m long carries a 40 kN concentrated load at B. The cross-sectional dimensions of the beam are b = 150 mm, d = 370 mm, a = 90 mm, and c = 35 mm. Section a-a is located at x = 1.6 m from B. (a) At section a-a, determine the magnitude of the shear stress in the beam at point H. (b) At section a-a, determine the magnitude of the shear stress in the beam at point K. (c) Determine the maximum horizontal shear stress that occurs in the beam at any location within the entire span. (d) Determine the maximum tensile bending stress that occurs in the beam at any location within the entire length. %3! %3D H 2L 3 Lod Answer: kPa (a) TH = kPa (b) TK = kPa (c) Tmax MPa (d) Omax B. 1/3
2. Determine the size of square bearing plates A and B' required to support the loading P = 15 kN. Dimension of plates to the nearest 1mm. The reactions at the supports are vertical and the allowable bearing stress for the plates is a = 3 MPa. 20KNI 20KNI 20kNj 2 m 30kN 2m 2 m B B` 6 m