کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6739966 | 504326 | 2016 | 16 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Punching behaviour of RC flat slabs under reversed horizontal cyclic loading
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
علوم زمین و سیارات
مهندسی ژئوتکنیک و زمین شناسی مهندسی
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چکیده انگلیسی
The aim of this work is to study the behaviour of reinforced concrete flat slab structures under combined vertical and horizontal cyclic loading. A total of five specimens were cast and tested: a control specimen was punched without eccentricity, one specimen was tested under constant vertical loading and monotonically increased eccentricity until failure and the remaining three were tested under constant vertical load, at different shear ratios, and cyclic horizontal loading with increasing horizontal drift ratios. All slabs were similar, measuring 4.25Â ÃÂ 1.85Â ÃÂ 0.15Â m3. The reinforced concrete slab specimens were connected to two steel half columns by 0.25Â ÃÂ 0.25Â m2 rigid steel plates, prestressed against the slab using steel bolts, to ensure monolithic behaviour. The cyclic tests were performed using an innovative test setup that allows bending moment redistribution, line of inflection mobility, assures equal vertical displacements at the North-South borders and symmetrical shear forces. Results show that cyclic horizontal actions are very harmful to the slab-column connection, resulting in low horizontal drifts and energy dissipation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Structures - Volume 117, 15 June 2016, Pages 204-219
Journal: Engineering Structures - Volume 117, 15 June 2016, Pages 204-219
نویسندگان
André F.O. Almeida, Micael M.G. Inácio, Válter J.G. Lúcio, António Pinho Ramos,