MY POST - GRADUATION EXPERIENCE A REPORT PRESENTED TO THE NIGERIAN SOCIETY OF ENGINEERS BY MOHAMMED KABIR YAKUBU KADUNA SEPTEMBER‚ 2007. MY POST– GRADUATION EXPERIENCE REPORT PRESENTED BY MOHAMMED KABIR YAKUBU
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deflections of a beam are an engineering concern as they can create an unstable structure if they are large. People don’t want to work in a building in which the floor beams deflect an excessive amount‚ even though it may be in no danger of failing. Consequently‚ limits are often placed upon the allowable deflections of a beam‚ as well as upon the stresses. When loads are applied to a beam their originally straight axes become curved. Displacements from the initial axes are called bending or flexural
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experiment and provide a hypothesis. A hypothesis allows the researchers to think about their prediction in relation to the experiment’s outcome. In this case‚ I had a few hypothesis and predictions on this experiment. First off‚ refraction is the bending of light when it travels through different medium. Therefore‚ the light will bend and it will shift away from the original location. However‚ I don’t know where the shift will be‚ but according to the research done on types of mirage‚ I believe that
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buckling. There are several different types of buckling that can take place in objects and those are described as below. Flexural buckling is a special form of buckling that takes place in a special compression member facing a deflection because of the bending of flexure. It occurs mostly in a straight column when the stable equilibrium gets distorted at the critical load. The buckling is shown to occur mainly at the axis and demonstrates significantly small radius of gyration. There are different types
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a better example. Integrated Mechanical Testing Laboratory BUCKLING OF A COLUMN Objective The primary purpose of this experiment is to verify the critical load for buckling‚ relationship among the bending-moment and deflections‚ for different end conditions when a rectangular beam is subjected to axial loading. Theory A column is a member subjected to axial compressive forces. When a column is concentrically loaded‚ it is expected to reach its yield stress. But usually prior to yielding
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Roark’s Formulas for Stress and Strain WARREN C. YOUNG RICHARD G. BUDYNAS Seventh Edition McGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Cataloging-in-Publication Data is on file with the Library of Congress. Copyright # 2002‚ 1989 by the McGraw-Hill Companies‚ Inc. All rights reserved. Printed in the United States of America. Except as permitted under the United States Copyright Act of 1976‚ no part
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CHAPTER-1 INTRODUCTION 1.1GEARBOXES: Usually‚ found near motors of some sort‚ gearboxes are used to reduce the load on the motor by using the motor ’s own momentum to keep it turning. Once a motor has reached a number of revolutions per minute‚ it is advisable for the operator to increase the gear‚ to drop the revolutions on the motor‚ yet still keep the same amount of power created. This reduces wear on the engine‚ allows more control‚ and
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Steel grades for reinforcing beams and typical properties [9] Notes: HR - Hot rolled sheet CR - Cold rolled sheet HDG (CR) - Hot-dip galvanized (cold rolled base) sheet EG (CR) - Electrogalvanized (cold rolled base) sheet SS - Stainless steel XLF - Microalloy quality. Strength is obtained through small quantities of alloying elements such as vanadium and niobium. Designation number (e.g. 50) is mimimum yield strength in ksi. ..B..(M) - Carbon-boron
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(w) of the rectangular glass sample is measured. The first glass slide is placed in the Instron 3-point bending apparatus with the support span set at 60mm (See Figure 1 –picture for illustrative purposes only) Support Span 60mm Figure 1: Instron 3-point bending apparatus Downward Motion – Application of load 2. Glass Sample Page 1 of 7 G Rezk SID 199991603 3. The loading beam (Silicon Carbide) is lowered at 10mm per second onto the plate. The load is applied until the glass breaks
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the experimental samples beams of uniform strength (in bending) were used as in [31]. The beams were covered with polymer glue for dielectric insulation. The strips were bonded onto the beams with cyanoacrylate adhesive using standard technique as for metallic strain gauges. The electrical contacts to the samples were made of silver paste and thin copper leading wires were used. To measure resistances of the samples four-point and two-point probe methods were used. The beams with samples were loaded
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