A wooden log is to be used as a footbridge to span 3.50-m gap. The log isrequired to support a concentrated load of 30 kN at midspan and a uniformlydistributed load of 20 kN/m throughout the span. If the allowable stress inshear is 0.7 MPa.1. What is the diameter of the log that would be needed? Assume the logis very nearly circular and the bending stresses are adequately met.Neglect the weight of the log.2. If the log is to be trimmed to have a square cross section, whatshall be the resulting dimensions (Round off to the nearest wholenumber).3. Compute for the maximum flexural stress of the beam loading.

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Answered: A wooden log is to be used as a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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(ohsm 2) b. throps A simply supported beam has a rectangular cross-section of 50 mm wide and 120 mm deep. It is loaded as shown in Fig. 3b. Calculate the maximum stresses and draw the stress distribution diagram. The weight of the beam is assumed negligible. mot dit to sbutingsm s A - 2 m edband Im 10 kN B Fig. 3b 136 say xovbizon 2 m C
Problem A timber beam of rectangular section is to support a load of 20 kN uniformly distributed over a span of 3.6 m when beam is simply supported. If the depth of section is to be twice the breadth, and the stress in the timber is not to exceed 7 NImm2, find the dimensions of the cross-section.
Problem 3 only, solve carefully, include the units in every step and draw the diagram. Thanks! In a 2.5 m cantilevered I-beam, 2500 kg weight is applied at 0.75 meter from the free end. If the allowable stress inbeam is 120 Mpa, determine theA. section modulus, in3 B. The base and height of the beam if the base is 75% of its height, mm
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A beam carries a uniform distributed load of intensity w in N/m. It was determined that Vmax = 7.5w N, (+)Mmax = 5.2w N-m, (-)Mmax = 4.5w N-m. From the given cross section shown, ytop = 64.183 mm, ybot = 135.817 mm, and INA = 25.059 x 10 6 mm4. The allowable stresses are as follows: σfT = 30 MPa, σfC = 60 MPa, and τ = 10 MPa. a. The safe uniform load considering tensile flexural strees is _____N/m b. The safe uniform load considering compressive flexural stress is _____ N/m. c. The moment inertia of the area about the neutral axis is _____ mm^3. d. The safe uniform load considering maximum shear force is _____ N/m e. Based on your analysis, the safe uniform load to recommend is _____ N/m.
A uniform wind load of q = 0.2 kN/m? acts on the billboard with dimensions of b = 1.5 m and a = 1 m. The allowable normal stress is oalow = 140 MPa, c = 0.5 m for the circular cross section panel pole. Draw the shear force, bending moment and torsional moment diagrams for the panel pole. a) Calculate the cross-section diameter d, using the maximum shear stress (Tresca) criterion. b) Calculate the cross-section diameter d, using the maximum distortional energy (von Mises) criterion. SOLUTION kesit
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