Determination of optimal Distance of Anchor-blocks in Buried Oil Pipelines Considering the Effects of the Dynamic Soil-Pipe Interaction
- سال انتشار: 1400
- محل انتشار: Journal of Rehabilitation in Civil Engineering، دوره: 9، شماره: 3
- کد COI اختصاصی: JR_CIVLJ-9-3_007
- زبان مقاله: انگلیسی
- تعداد مشاهده: 127
نویسندگان
Faculty of Civil Engineering, Semnan University
Faculty of Civil Engineering, Semnan University
Faculty of Civil engineering, Semnan University
چکیده
In this paper, by using direct modeling of the soil-pipe line system using finite element modelling (FEM) in OpenSEES software and integration with the particle swarm optimization (PSO) algorithm which is provided in MATLAB software in the reciprocating method, which is repeated in enough epochs, the optimal intervals of the anchor blocks has been gained and the effect of different parameters of pipe diameter, pipe length, burial depth, different soils and different earthquake stimuli on the seismic behavior of pipes having anchor blocks investigated.The results show that the change in the depth of the burial and the diameter of the pipe has no effect on the anchor block optimal intervals. Also, increasing the length of the pipe will cause to increase the proposed optimal distance between the anchor blocks. The levels of earthquake hazard and soil type, as well as the length of the pipe, are factors affecting on the distance between the anchor blocks. The simultaneous effect of softening the soil and increasing the level of the earthquake hazard increases the distance between the anchor blocks.کلیدواژه ها
Buried pipes, Anchor blocks, Soil-Pipe- Interaction, PSOاطلاعات بیشتر در مورد COI
COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.
کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.