Answered: What is the LRFD strength reduction…

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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Problem2. The compression member is shown in figure. Find the following: a. The Euler stress Fe. b. The buckling stress Fcr c. The design strength d. The allowable strength e. Does the member satisfactorily meet the design requirements? Why? HSS 8x 8x4 ASTM AS00, Grade B steel (Fy = 46 ksi) 15'
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A 1.65m long rod with a circular cross-section is subjected to a tensile load of 50 kN. The rod is made from AISI 1040 hot-rolled steel. The allowable tensile stress is 165 MPa. The rod is permitted to elongate up to 7mm without causing any issues. The proportional limit for the steel is 180 MPa. (A) Compute the required area necessary to meet the stated requirements based on allowable stress. Express your answer in square millimeter units as an integer. (B) Compute the required area necessary to meet the stated requirements based on allowable elongation. Express your answer in square millimeter units as an integer.
Combined Stresses Given Hollow Steel Section (HSS) that is 4"x6" and 1/2" thick, with axial and transverse loading shown, determine the total normal stress at a. The 5k load on the bottom of the beam b. At the mid-span in the middle of the beam C. At the 10k load on top of the beam 5k 10k A 5' 10' 5' B CENTROID 4" 5 k 3k 8k 6" 2' 6.25k 8.75k +6.25k SECTION +1.25k 'V" -8.75k +43.75k-ft. +31.25k-ft. 'M' 8k 5 k + tension P = Ok %3D
What is the Design Bending Stress, Om,y,d in a joist, if the strength grade is C16
S9. Knowing that the allowable normal stress for the steel used is 150 MPa, select the most economical metric wide-flange beam to support the loading shown in Figure 9.0. 50 kN/m A D B -2.4 m- 0.8 m 0.8 m Figure 9.0 $10. Determine the average shearing stress in the web of the beam indicated and check whether the design obtained earlier for that beam is acceptable, knowing that the allowable shearing stress for the steel used is 110 MPa. Consider the beam of $9 above.
A beam has a class 3 web and a class 2 flange. When along the stress-strain diagram will it fail, and how? Remember how we define the classes. Make a sketch showing a W-section beam that hasfailedin this way. How can this be prevented?
Determine the available strength of the compression member shown in figure below.
Which of the following diameter of Grade 60 reinforcing bar can withstand a tensile load of 210 000 N? O 16mm O 20mm o None of the above o 25mm
The two pieces of wood, 2 in. by 4 in., are glued together along the 40o joint. Determine the maximum safe axial load P that can be applied if the shear stress in the glue is limited to 250 psi

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What is the LRFD strength reduction factor, ϕϕ, for a beam with 0.008 strain in the tension steel