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نویسندگان مقالات پربازدید :
چهارمین کنفرانس ملی سازه های فضاکار
جزئیات رویداد
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همایش ، رویداد ، ژورنال
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  • progressive collapse in tensegrity systems: an experimental and numerical evaluation

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    • تاریخ ارائه: 1393/02/01
    • تاریخ انتشار در تی پی بین: 1393/02/01
    • تعداد بازدید: 700
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     the local collapse due to buckling of struts or rupture of cables in tensegrity systems, which affects a small portion initially, has potential for propagating to other parts of the system and may ultimately cause overall collapse of the system. to better understanding the response of tensegrity systems subjected to the progressive collapse, the experimental and numerical studies were carried out on a 3×3×0.7 m prototype. the experimental programme consists of tests on the constituent elements and collapse test on the whole system. two types of collapse due to sudden rupture of a cable element and buckling of a strut were examined in the tensegrity model under load control. it was found that the most important factors that influence the collapse behavior of the tensegrity model are the imperfection amplitude, damping factors and residual stresses of the buckled struts. based on the obtained results, the finite element model were adjusted, compared and validated with the experimental results until reliable and robust numerical model were achieved.

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