Geocell-reinforced ring footing
سال انتشار: 1396
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 506
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شناسه ملی سند علمی:
ICSAU05_1500
تاریخ نمایه سازی: 11 خرداد 1397
چکیده مقاله:
Nowadays, ring footings are normally used for special and axisymmetric structures; i.e. reservoirs, cooling towers, etc. In comparison with circle footings, ring footings are more cost-effective. In this paper, properties and geometry of a cooling tower in real dimensions has been used to investigate load-settlement behavior of reinforced and unreinforced ring footings. Study was conducted using 2D finite element method in PLAXIS software. It is shown that, for improving the load-settlement behavior of the ring footing, using geocell instead of geogrid has a significant effect. Composite (equivalent) layer method is used to simulate Geocell layer. In this method, geocell behavior is simulated using a soil layer with higher cohesion and stiffness. In the present study, the effect of thickness of geocell layer and geocell stiffness on pressure-settlement behavior of ring footing has been investigated.
کلیدواژه ها:
نویسندگان
Omid Rasouli Ghahroudi
M.S. degree of Geotechnical engineering, Faculty of engineering, Shahed university, Tehran, Iran,
Mohsen Zokaei
M.S. degree of Geotechnical engineering, Faculty of engineering, Shahed university, Tehran, Iran,