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Dynamic behaviour of ground-supported tanks considering fluid-soil-structure interaction (Case study: southern parts of Tehran) | ||
| Pollution | ||
| مقاله 10، دوره 1، شماره 1، فروردین 2015، صفحه 103-116 اصل مقاله (1.42 M) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.7508/pj.2015.01.010 | ||
| نویسندگان | ||
| Ali Ghanbari؛ Pouyan Abbasi Maedeh* | ||
| Faculty of Engineering, Kharazmi University, Karaj, Iran | ||
| چکیده | ||
| Regarding the importance of the prevention of hazards and adverse environmental impacts in industrial and populated areas such as southern parts of Tehran city, the response of impulsive period ground-supported tanks were assessed. Having considered the study area's soil properties, the response of ground-supported tanks was modelled. Regarding the soil properties of southern parts of Tehran, the soil structure interaction method explained in FEMA 368 revealed that the interactional impulsive period (~T) was greater than non-interactional one (T). In addition, results showed that Poisson's ratio and stiffness ratio (K/Kx) were more effective regarding the response of the interactional period of ground-supported tank systems. According to the achieved results, the liquid mass density effect on impulsive period was as low as the thickness of the ground-supported walls effect. Results showed that wall materials significantly affected the variation within the impulsive period. Generally, concrete materials were shown to be more periodic than steel materials. Overall, in southern parts of Tehran, when the soil fluid structure interaction method was used, the period increased from 1 to up to 3.6 times greater than the normal impulsive period. | ||
| کلیدواژه‌ها | ||
| Ground-supported tanks؛ Impulsive period؛ Interaction؛ TEHRAN | ||
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