Check the adequacy of a 15ft long A992 W12x65 beam-column shown in figure (1). The axial loadsand end moments have been obtained from 2nd order analysis of the gravity loads. The frame andloading are symmetric. Assume that (Cb) is 1.06.PD-85k, PL-220kMD-15k-ft, ML-45k-ftLe-8.6ftMD-18k-ft, ML-52kftFigure (1)

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Answered: Check the adequacy of a 15ft long A992…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The propped beam is 10m long and is required to carry a load of 250kN as shown. If the yield stress steel is 248MPa, determine the plastic moment capacity of the beam if a load factor against failure is 1.2 Pu 3 7 THOUGH
A W14x61, A992 steel, 6.5 m long fixed at both ends, is to be investigated for use as a column in a braced frame. The axial load and end moments obtained from analysis of gravity loads and wind load are given below. All bending moments are about the strong axis with single curvature forming along the column. Use ASD and conservative value of Cb. Neglect local buckling for compression. Consider secondary effects. Calculate the interaction ratio. Properties of W14x61 A = 11500 mm² bf = 254 mm d = 353 mm tf = 16.4 mm tw = 9.53 mm ry = 62.2 mm k₁ = 25.4 mm Zx = 1670 x 10³ mm³ Sx = 1510 x 10³ mm³ J = 912 x 10³ mm³ Axial Load: PDL =178 KN, PLL = 278 KN Top Moments: MDL = 20 kN-m, MLL = 28 kN-m, MWL = 14 kN-m Bottom Moments: MDL = 20 kN-m, MLL = 30 kN-m, MWL = 15 kN-m
5. The beam-column has a height of 7.5m and is a member of a braced frame. It is subjected to an axial load of DL-65KN and LL= 1OOKN. It is pinned at both ends. A W12X35 section was used and was made up of A-36 steel with Fy-250MPA. Compute the interaction value for beam- column based on NSCP 2015 code provisions. Ngelect the weight of the section. A = 6645 mm2 Zx- 839x10^3 mm3 d- 317.50mm Sx- 747x10^3 mm3 tw= 7.62 Rx= 133.35 bf= 166.62 ly= 10x10^6 mm4 tf- 13.21 Sy= 122x10^3 mm3 Ix= 119x10^6 mm4 Ry3 39.12mm 3.5 Note: Use C=D1.00%--0.2
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A simply supported rectangular beam of span 'L' and depth 'd' carries a central load 'W'. The ratio of maximum deflection to maximum bending stress is A. L²/6 Ed C. L²/ 48 Ed B. L²/8 Ed D. L²/ 12 Ed
Q1: A W12 x 26 is used as an 18-ft long pin-connected column. Using the Euler expression (formula), determine the column's critical or buckling load. Assume that the steel has a proportional limit of 36 ksi.
Please answer this problem step by step and explain each diragram below and what each one represents
The A-36 steel W 6 x 20 column 6 m in height is pin connected at its ends and is subjected to the axial load P. The column is laterally supported about its weak axis at center. Determine the maximum value of axial load.
A simple supported beam made up of steel with a maximum bending resistance of 250MPa is subjected to a self-weight of P N/mm. In addition to the self-weight, the beam is also subjected to two identical points loads acting at 1/3rd and 2/3rd of the beam span respectively. Find out the magnitude of point loads acting on the beam such that the flexural stresses does not exceed the allowable bending stresses. The beam has a I-shape cross section having flanges dimensions of 200mm wide and 10mm thick and web with a thickness of 10mm and height of 180mm. The span length of the beam is 3 m Consider the self weight of the beam in solving the question. Where P is 51

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