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Iranian Journal of Materials Forming، جلد ۸، شماره ۴، صفحات ۴-۱۴
عنوان فارسی
چکیده فارسی مقاله
کلیدواژه‌های فارسی مقاله
عنوان انگلیسی A Novel Method to Perform the Burst Pressure Test on the Repaired Drinking Water Pipelines
چکیده انگلیسی مقاله This article investigates the repair process of damaged steel pipes of drinking water transmission lines by polyester resin or putty and a composite patch, as well as the internal pressure capacity of the repaired specimens during burst pressure tests carried out by the experimental method. The main aim is to introduce a completely practical method for repairing the pipelines in out-of-town areas without using electrical or other advanced equipment. In addition, an innovative novelty is employed in the burst pressure tests. Experiments demonstrate that the repaired pipes by the molded polyester putty and a composite patch of 100×100 mm2 dimension with 3 or 5 layers can approximately sustain the maximum internal pressures up to 44 or 55 bar, respectively; while the repaired pipes by the molded polyester resin and the corresponding composite patch with 3 or 5 layers can withstand the maximum pressures up to 28 or 40 bar, respectively. Repairing the pipes by the presented methods helps achieve the main purpose of the present research, with an admissible safety factor.
کلیدواژه‌های انگلیسی مقاله Damaged pipes, Drinking water pipelines, Composite patch, Tube repair, Polyester resin
نویسندگان مقاله Seyed Sadegh Derakhshan |
Mechanical Engineering Department, Yasouj University, P.O. Box: 75914-353, Yasouj, Iran

Abbas Niknejad |
Mechanical Engineering Department, Yasouj University, P.O. Box: 75914-353, Yasouj, Iran

Sima Ziaee |
Mechanical Engineering Department, Yasouj University, P.O. Box: 75914-353, Yasouj, Iran

Feyzollah Pasereh |
Mechanical Engineering Department, Islamic Azad University, Yasouj Branch, Yasouj, Iran

نشانی اینترنتی https://ijmf.shirazu.ac.ir/article_6304_c0daf876a9ecb26c62d8fcb2d79d99c0.pdf
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