Chooi, Chick Ngee. (2004) In-situ determination of the resultant loading in steel reinforcement using ultrasonic. [Final Year Project Report] (Unpublished)
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Abstract
In-situ loading determination is an on-site method that determine loading in the original or natural place or site, which could give information of load within a structure instantly. This method eliminates the complicated and labourous processes involved in conventional loading determination method. It plays an utmost important role in condition monitoring of steel reinforced structural members such as post tensioned and pre-stressed concrete members whenever during fabrication stage or stage it serves the public. In this experimental study on specimen of mild steel, non-destructive testing (NDT) method of ultrasonic will be used based on acoutoelastic principle. Variation in flight time or wave speed variation of ultrasound within the specimen due to changes of resultant loading will be determined. Three samples or specimens of mild steel that assumed to be identical are used in this experiment. The results had shown the effect of stress-induced velocity changes but there were varying across samples and two samples do not exhibit the expected profile of graph due to some unavoidable factors. At the same time of experiment, strain gauge is used to obtain values of strain due to applied torque. In addition to applied torque, resultant loading is derived from values of strain. Confirmation test is performed by strain gauge on the resultant loading due to applied torque and the obtained ultrasound's velocity.
| Item Type: | Final Year Project Report |
|---|---|
| Additional Information: | Project report (BSc.) - Universiti Malaysia Sarawak, 2004. |
| Uncontrolled Keywords: | Materials, Testing, Strains and stresses, Measurement, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, undergraduate, research, Universiti Malaysia Sarawak. |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Academic Faculties, Institutes and Centres > Faculty of Engineering Faculties, Institutes, Centres > Faculty of Engineering |
| Depositing User: | Gani |
| Date Deposited: | 11 Jan 2019 06:50 |
| Last Modified: | 16 Feb 2023 02:31 |
| URI: | http://ir.unimas.my/id/eprint/23078 |
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