بررسی رفتار لرزه‌ای مخزن تحت فشار افقی به همراه سیستم لوله‌کشی متصل به آن با استفاده از تحلیل دینامیکی افزایشی | ||
| پژوهش های زیرساخت های عمرانی | ||
| مقاله 10، دوره 9، شماره 1 - شماره پیاپی 16، خرداد 1402، صفحه 139-159 اصل مقاله (6.67 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22091/cer.2023.8058.1380 | ||
| نویسندگان | ||
| مهدی شریفی* 1؛ زینب ملکی2؛ بیژن سیاف زاده2 | ||
| 1گروه مهندسی عمران، دانشکده فنی و مهندسی، دانشگاه قم، قم، ایران | ||
| 2گروه مهندسی عمران، دانشکده فنی مهندسی، دانشگاه قم، قم، ایران. | ||
| چکیده | ||
| بررسی رفتار لرزه‌ای احتمالاتی مخزن تحت فشار افقی به‌همراه سیستم لوله‌کشی متصل به آن در این تحقیق مدنظر می‌باشد. مطالعه رفتار لرزه‌ای تجهیزات به‌کار رفته در مجتمع‌های صنعتی، جهت استفاده در مطالعات ریسک مورد استفاده قرار می‌گیرد. به‌همین منظور، در مطالعه موردی مخزنی تحت فشار افقی طراحی و ساخته شده در یک پالایشگاه، با استفاده از روش اجزای محدود مدل‌سازی و مورد تحلیل‌های دینامیکی افزاینده قرار گرفته است. پاسخ‌های اجزای تشکیل‌دهنده مخزن افقی شامل تنش، تغییرشکل و چرخش از نتایج مدل اجزای محدود به‌دست آمده است. معیارهای خرابی و حالت‌های حدی برای اجزا شامل پوسته بدنه، میل‌مهارهای بیس‌پلیت، زانویی‌ها و فلنج لوله‌ها تعیین شده است. براساس نتایج تجزیه و تحلیل دینامیکی افزاینده، نظریه آماری و مدل‌ها جهت محاسبه منحنی‌های شکنندگی استفاده شده است. نتایج نشان می‌دهد که اتصالات فلنج لوله‌ها و بدنه مخزن افقی مکان‌هایی هستند که مستعد شروع بیشترین خرابی در مخزن افقی می‌باشند. | ||
| کلیدواژه‌ها | ||
| تحلیل لرزه‌ای احتمالاتی؛ تحلیل فزاینده دینامیکی؛ مخزن تحت فشار افقی؛ منحنی‌های شکنندگی | ||
| عنوان مقاله [English] | ||
| Incremental Dynamic Analysis of Horizontal Pressure Vessels with Their Piping Systems | ||
| نویسندگان [English] | ||
| Mahdi Sharifi1؛ Zeinab Maleki2؛ Bijan Sayyafzadeh2 | ||
| 1Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran. | ||
| 2Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran. | ||
| چکیده [English] | ||
| Reduction and management of risk of industrial plant especially energy is an important concern. Probabilistic and reliability method are used in risk and cost estimations. Oil, Gas and Petrochemical plant are the most energy producer plants that are in focus of cost, life and operation. These plants consist of several units, parts and equipment’s. In order to study the risk of plants, it is needed to study the equipment’s. The main goal of this research is probabilistic seismic assessment of fixed horizontal vessels. In this paper, finite element model of designed and constructed vessels in a real project is prepared and incremental dynamic analysis (IDA) is performed. Response of vessels components including the vessel body stress, piping stress, flange and elbow deformations, anchor bolt stress are extracted and their related limit state are defined. Finally the fragility curve of vessels components is prepared. The result shows that flange connection is the components that are potential for starting the damage of vessels. | ||
| کلیدواژه‌ها [English] | ||
| Probabilistic Seismic Analysis, Incremental Dynamic Analysis, Horizontal Pressure Vessels, Fragility Curves | ||
| مراجع | ||
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