کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
808929 1468681 2016 6 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Analytical solution of the dynamic response of buried pipelines under blast wave
ترجمه فارسی عنوان
راه حل تحلیلی پاسخ دینامیکی خطوط حفاری تحت موج انفجار
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کلمات کلیدی
انفجار؛ خط لوله؛ فاصله ایمن
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
چکیده انگلیسی


• Mathematical model of explosion near pipeline is generated.
• A method which is used in this research can be used so that the safe distance between blast and pipeline can be found.
• Several diagrams are generated so that the safe distance from blast source can be found.

Several studies have addressed the effect of blasting on buried pipelines, but none of them has used an analytical method to find the beam deflection under the effect of the blast wave. In this study, the pipeline is modeled as beam, and its displacements are calculated under a blast wave equivalent dynamic load. Mathematical modeling of the problem results in a fourth-order inhomogeneous partial differential equation, which has to be solved so that the pipe displacements and the peak particle velocity could be found. Since it is not possible to solve the problem in the time domain, the problem is converted to the frequency domain by a Fourier transform, and then the differential equation is solved. Finally, the solution is transformed back to the time domain, and the maximum particle velocity is calculated using a computer code.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Rock Mechanics and Mining Sciences - Volume 88, October 2016, Pages 301–306
نویسندگان
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