Analysis the i beam subjected to three point loading or bending for different material

Adli Zil Ikram , Abdullah (2013) Analysis the i beam subjected to three point loading or bending for different material. Project Report. UTeM, Melaka. (Submitted)

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Abstract

This report discussed about the shape, analysis and relationship between stress and strain of I beam by using different types materials. Materials selected are mild steel, brass and aluminum. It is the common materials that is used in structural. The i beam will be made to follow the actual dimension scale by using a ratio of the actual dimension. In addition, this report discussed an analytical procedures for the I beam. It consist of study of stress and strain characteristics, and deflection caused by the loads. Then, based on the data obtained, the estimation of maximum load carrying capacity for the I beam will be made by taking into consideration the change of stress that occurs along the beam by using the application of strain gauges. The analysis carried out based on the theory and experiment. Preparation of the experiment is made by doing the literature study on the related elements in this study and experiment. It consists of elements of beams, stress, strain, deflection and related formula and theory. Then, the literature study is also made on the related previous research for studying and understanding the the concept and methodology used assess strengths and weaknesses in these studies and study the results of their thesis. For methodology, this thesis discussed the important aspects for experiment such as the procedures, materials preparation and apparatus installation. In this research, the results of all analyze techniques and methods are compared and briefly discussed. In this study, the results obtained in the experimental and theoretical data obtained from Castigliano methods are compared and discussed in detail. The accuracy of each technique can be determined based result obtained. The factor that affected the results has been identified and discussed especially types of materials as it is the main manipulation variables in this study. Lastly, the relationship of stress and strain can be determined from the finding of this thesis which is stress is directly proportional to strain which obey the Hooke’s Law. The results obtained from this study is the I-beam of steel is better than aluminum and brass in terms of strain and bending. The results are accurate based on the literature review as strain and deflection is inversely proportional to the modulus of elasticity. The slightly differences between the data obtained in the experiment and calculation by the theoretical equation prove this study achieved the desired objectives.

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