Find the cross-sectional area of a 10 teel bar that will not deform by more Omm nor be stressed by more than 1 hen subjected to a 100 KN Load. E = Pa.
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- A structural beam of the cross-section shownis extruded from an aluminum alloy for whichthe ultimate strength is σU = 450 MPa. Usinga factor of safety of F.S. = 3.00, determine thelargest couple that can be applied to the beamwhen it is bent about the z axis14.2 lb/in2 ------> lb/ft2STATICALLY INDETERMINATE AXIALLY LOADED MEMBER - GET THE GIVEN, WHAT IS ASKED, AND THE ANSWER. - MAKE A PROPER FREE BODY DIAGRAM. (IT DOES HAVE THE GREATER POINTS IN THIS ACTIVITY) - YOUR SUB ANSWERS MUST BE IN 6 DECIMAL PLACES. - YOUR FINAL ANSWER MUST BE IN 4 DECIMAL PLACES. - TELL THE DIRECTION AND WHETHER IT IS TENSILE OR COMPRESSION. - WRITE YOUR SOLUTION PROPERLY (EASY TO UNDERSTAND).
- A flooring system consist of I-beam sections spaced at 3 m(center to center) and with simple spans of 6 m. The beams support a 200 mm thick slab. The flooring system is designed for a live load of 2400 N/m² as well as ceiling load of 750 N/m². The properties of the I-beam sections are : d = 352 mm, weight of beam = 440 N/m, moment of inertia , Ix = 0.0012 m⁴. Consider Fy = 248 MPa, E = 200000 MPa and wt. of concrete of 24 kN/m³. 1. Which of the following most nearly gives the uniform pressure acting on the slab? a. 6.2 kPa b. 7.95 kPa c. 5.2 kPa d. 6.10 kPa 2. Which of the following most nearly gives the total uniform load on the beam in kN/m? a. 19.71 kN/m b. 17.82 kN/m c. 24.29 kN/m d. 28.14 kN/m 3. Which of the following most nearly gives the initial stress on the beam due to deadload only assuming no shoring during construction? a. 12.1 MPa b. 8.91 MPa c. 10.4 MPa…a) Transform the beam into one made entirely of steel. b) The steel channel is used to reinforce the wood beam. Determine the maximum stress in thesteel and determine the maximum stress in the wood if the beam is subjected to a moment of M=1.2kN.m Est = 200GPa, Ew12GPa. (please give explanations and step by step solutions if possible)Change the complex numbers to polar form: -- 4 – 4i ( - 8i) ( - 3) √7 - i√21 --√15 + i√5
- A steel pipe (1) is attached to an aluminum pipe (2) at flange B. The pipes are attached to rigid supports at A and C, respectively 18 m 14 m Member (a) has a cross-sectional area A,-3,600 mm2, an elastic modul as a cross-sectional area A 3,600 mm2, an elastic modulus E-200 GPa, and an allowable has a cross-sectional area A2 2,o00 mm2, an elastie modulus E-70 GPa, and an allowable normal stress of 120 MPa. Determine the maximum load Pthat can be applied to fange B without exceeding either allowable stressA laminated plastic beam of square cross section is built up by gluing together three strips, each 20 mm x 60 mm in cross section (see figure). The beam has a total weight of 4.6 N and is simply supported with span length L = 460 mm. Considering the weight of the beam (q) calculate the maximum permissible CCW moment M that may be placed at the right support. (a) If the allowable shear stress in the glued joints is 0.4 MPa. Round to the nearest tenth. Mmax = __ N • m (b) If the allowable bending stress in the plastic is 8 MPa. Round to the nearest hundredth. Mmax = __ N • mPLS need ASAP :( The 6-meter simple beam carries a uniformly distributed load (5 KN/m) on its entire span. The beam also carries a point load 2 meters away from Point A, where the hinge support is located. The modulus of elasticity is 200 GPa and the cross-section of the beam is 200 mm x 350 mm. What is the moment of inertia of the cross-section of the beam?
- A flanged bolt coupling consist of 9 steel bolts evenly spaced around a bolt circle 300 mm. in diameter and 6 bronze bolts on a concentric bolt circle 200 mm. in diameter. What are the sizes of bolts diameters for steel and bronze, if the torque applied is 6,000 N-m and without exceeding the stress of 60 MPa in the steel and 40 MPa for the bronze? The ratio of the bolt diameter db / ds = 0.50. For steel, use Gs = 83 GPa and for bronze, Gb = 28 Gpa.A concrete circular column with a radius of 350mm has f'c=25 MPa and is braced against sidesway. The column is assumed to be pinned on both ends with an unsupported length is 6.1meters. The column is subjected to the following service loads: Axial Dead Load =350 kN Axial Live Load=480 kN Moment due to Dead Load on the top of the column = 125 kN-m Moment due to Dead Load on the bottom of the column = 60 kN-m Moment due to Live Load on the top of the column = 122 kN-m Moment due to Live Load on the bottom of the column = 75 kN-m. If the moments bent the column in a singular curve, determine the following: 1. Critical Load on the column, kN 2. Moment Magnifying factor 3. Design Moment of the column, kN-m1. A column 9 meters long is to carry a total service load (unfactored) of 890 kN. The member will behinged at the top and bottom and will be braced about its minor axis at mid-height. Using A572 Gr. 50steel., design the most economical section based on the following available section. Provide an explanationwhy your chosen section is the most economical. Neglect local buckling. Hint: Calculate all thecapacity and compare the D/C ratio.W10x49 - Area = 9290 mm2,rx = 110.49 mm, ry = 64.52 mmW12 x 50 - Area = 9484 mm2,rx = 131.57 mm, ry = 49.78 mmW8 x 40 - Area = 7612 mm2,rx = 89.66 mm, ry = 51.82 mmW8 x 48 - Area = 9097 mm2,rx = 91.69 mm, ry = 52.83 mm