Beam bending test lab report 0947 (GPa) Eq. They are used in many engineering designs such as buildings, cars, airplanes, and bridges. 30 233. In order to calculate the bending stresses in the beam following formula can be used Apr 23, 2021 · different types of beam like cantilever beam, simple supported beam and. real strain curve • Flexural strength (σ F) • Flexural modulus (E flex) To perform the test, we use a universal testing machine by INSTRON (Model 8862 with ±100 kN Dr. 3 EXPERIMENTAL RESULTS CEE 212L Solid Mechanics Lab, NSU EXPERIMENT NO: 08 STATIC BENDING TEST OF TIMBER BEAM 1. The test consists of submitting a test piece of round, square, rectangular, or polygonal cross-section to plastic deformation by bending, without changing the direction of loading, until a specified Jan 28, 2017 · This experiment is about studying the effect of force magnitude on bending of beam and for that structure hardware called ‘STR2 bending moment in a beam is used. 3 To verify the principle of superposition and Maxwell’s Reciprocity Theorem. overhanging beam. I. Beladi, PE Mechanics of Materials Lab P a g e | 1 Experiment Two – Beam Deflection Experiment Three (3) Tensile Stress Testing Introduction: The axis of the beam deflects from its initial position under action of applied forces. To study the behavior of a timber beam under load. Torsional Testing of Materials, Mechanics of Material Lab Report. In this experiment, the effect of various loads on a supported beam's deflection was analyzed, focusing on beam bending principles rooted in historical theories by Galileo and later refinements by Bernoulli and Euler. S. 81 217. 2. The bending test is a ductility test which is employed to evaluate the ability of metallic materials to undergo plastic deformation in bending. A. OBJECTIVE: i. 1 Young s Modulus taking K=78. Bernoulli Experiment Lab Report. In part 1, the relationship between load and deflection is studied by applying loads from 5N to 20N to a simply supported beam and measuring the deflection. axis is called bending of beam. |University of Technology| 2023 Figure C. In this laboratory exercise you will measure the bending strains in two 6061 aluminum I-beams using strain gages. In theory Jan 14, 2017 · 8. Observations: Precautions: Bending Test Lab Summary: The purpose of the bending test is to get an idea of the stiffness (the bending stiffness) of materials. Part 3 and 4 vary the width and height of beams Experimentally, when using a bending moment apparatus, the bending moment at secion X-X can be calculated using the equaion Bending momentX-X = (F 2 – F 1 )d where F 2 and F 1 are inal and iniial forces in Newtons, respecively and d is the verical distance between the centre line of the spring balance and centre line of the beam. 2 1 * 9. 0 Discussion on Deflection of Beam Lab Report. 4 this lab, we examined This deflection should be measured at each such point before and after the loading, separately. Bending of Beam. Mechanical Engineering Lab – Unitech PNG Figure A. ii. Based on the experimental results, your report should provide detailed information on the following items: 1. Students making a measurement using the 4-point beam bend apparatus. When an external load or the structural load applied in beam is large enough to. 1 To observe, evaluate and report on the load-deflection relationship of a simply supported beam and a cantilever beam. Students extend theoretical knowledge to personal hands-on built-model and analysis. To verify Navier’s theorem, iii. Moment of inertia of beam is its shape dependent property which shows the beam ability to resist bending moment applied on it. From this simple test, one can determine a reasonable value for the modulus of elasticity. Loads used in the experiment. deflection calculations. These are the influence line ordinates for deflection of the beam. Data for the Graphite/Epoxy beam. Beam bending apparatus. Jan 12, 2018 · Deflection of beam is change in its shape or movement of beam from its neutral position due to the application of forces on it. using the theoretical deflection formula δ (PL3) (48EI), we could calculate the theoretical deflection of each beam in each case. 4. In this experiment, the strain of reinforcements, the mid-span displacement of the beam and the MTS loading actuator were acquired. engineering strain curve and stress vs. Bending stresses main depends on the shape of beam, length of beam and magnitude of the force applied on the beam. 0003832 234. Beam Deflection Cantilever Test Fig. 3. Plot the graph between deflection as ordinate and position of point on abscissa the plot for graph drawn in step 2 and 3. 81 0. different loading rates in this test. Theory: The mid-span deflection of a simply supported beam loaded with a load W at mid-span is given by; WL3 48EI This lab report examines the deflection of beams under different loads and conditions. You have a variety of instrumentation available with each set of apparatus. The collection frequencies of five test beams BM-1, BM-2, BM-3, BM-4 and BM-5 were 20Hz, 50Hz, 200Hz, 1000Hz and 2000Hz, respectively. 25mm present lab session deals with a three-point-bending test to obtain the following material parameter • Stress vs. You will then use this information to May 18, 2019 · When load is applied on beam, its produce bending moment in beam by apply shear force across its cross section area. The materials you will be testing in this lab are: Steel, 1018 Aluminum, 6061 Brass, 360 free machining Feb 12, 2017 · Bending stresses are produce in a beam when an external force is applied on the beam and produce deflection in the beam. In particular, if the material is not homogenous, ie. This lab report examines the bending of a T-beam specimen under a four-point loading setup. AM 317 MECHANICS LAB EXPERIMENT 1 BEAM DEFLECTIONS TEST PERFORMED: REPORT SUBMITTED BY NAME: GROUP: Abstract Beam deflections experiment was conducted in the lab to observe, evaluate and report the relationship that exists between load and deflection, to determine the modulus of elasticity of the beam and use it to decide the material of the beam and to verify the principle of superposition Figure 2. May 2, 2015 · It covers several methods for analyzing bending stresses and deflection in beams, including: [1] the engineering beam theory relating moment, curvature, and stress; [2] double integration and moment area methods for calculating slope and deflection; and [3] Macaulay's method, which simplifies calculations for beams with eccentric loads. Beams are fixed at their both or at least on end and when force is applied on beam at any position (other than the fix end) displace the beam from the initial position in the direction of force, this displacement of beam is called deflection. The Schematic diagram of the Beam Deflection Test Fig. displace the beam from its present place, then that deflection of beam from its resent. Then, we compared the theoretical deflections to the measured deflections. Beams are structural elements used to carry loads transverse to their length. . Beam reacts against this bending moment and shear force according to its moment of inertia. Table 3. (2) Fix the dial gauge at the free end of the beam for measuring the deflection with the needle just touching the bottom of the beam (3) Place the hanger at a measured distance L1 from the fixed support. To find different results of a wooden beam by conducting bending test. A plot of the experimentally obtained load-deflection and moment-curvature relations using the load cell, dial, and lvdt data recorded during the test. The explicit goal of the designed beam deflection project is to help students understand and correctly categorize their beam type through the analysis of the beam deflection by cases from beam deflection tables [8]. Jan 27, 2025 · 3. MACHINE: i. They carry loads by bending. Nov 20, 2018 · It calculates the load on the beam, draws the shear force and bending moment diagrams, and determines the maximum bending stress, deflection, and linear expansion of the beam. II. 0947 (GPa), Eq. Beam Material Load (N) Net Deflection of Beam (m) Young s Modulus taking k = 0 (GPa) Young s Modulus taking k=78. We tested two wooden bar specimens of the same dimensions using the three-point bending method to calculate and compare their mechanical properties such as elastic strength, yield strength, rapture strength, young’s modulus, modulus of resilience, and modulus of toughness, if the height and base dimensions are interchanged. Slide calipers ii. 5mm is negligible, and a 2. Laboratory Report (02) | Engineering Mechanics | Figure B. Pictured below is Beam Deflection Cantilever Test Equipment in the lab. According to the figure of STR2 bending moment in beam structure, beam is supported at two points using pivots. Objective: To establish the relationship between deflection and applied load to determine the elastic modulus of the beam specimen from the deflection data. Instrumentation. APPARATUS: i. The objectives are to observe stresses and strains across the beam, calculate the neutral axis, and apply bending moment equations. 2 To determine the modulus of elasticity of the beam and what the material the beam is made of using beam deflection theory. composites, the 4-point bending test provides a more complete study of the stress behaviour by increasing the loading region on Tensile Test Report Group B Mohamad Isyraq AL- Nasrah BIN Najion 202048934 EMD4M8A; Mohamad Isyraq AL- Nasrah BIN Najion EMD4M8A Tensile TEST Report; Tensile Lab 2; MICROSTRUCTURE STUDY OF FERROUS AND NON-FERROUS ALLOYS UNDER VARIOUS COMPOSITIONS AND HEAT TREATMENT CONDITIONS; EXP 1 - DAMPED AND UNDAMPED; Pure Bending in Beam - Lab Report Title of Experiment : Deflection of a Beam. The results show the beam design is safe with the maximum bending stress less than the allowable stress at 150 degrees C, deflection of 1. Deflection vs Load. Minor items include a ruler which you can use to accurately position the beam and the loads, a dial caliper to check beam dimensions and a digital camera which you can use to record your various set ups, and photograph items that you want pictured in your logbook. In part 2, the span length is varied from 300mm to 600mm to study its relationship with deflection. E. 9666 Related documents. Bending of beams; Mae Bridge Report; Report MAE 4 moment of forces; Engineering Lab 1 tension testing; Fatigue failure experiment - Experiment first The experimental and theoretical values in our experiment are very close to each other and seeing as the theory of linearly elastic analysis better known as Hooke’s Law is how we got our theoretical values for the strain, it validates the assumption made in flexural analysis of beams making this experiment a success. When a beam experiences a bending Like the 3-point bending test, 4-point bending test and the cantilever bending test are other techniques that can be used to study the flexural stress of materials. irye cxf arclvg fygzpjo shc axamz rsz lorbr yrw sinsi ijmbt srsvbm cbrk zykdtj fhfut