کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
267615 504407 2012 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Shear-strength degradation model for RC columns subjected to cyclic loading
موضوعات مرتبط
مهندسی و علوم پایه علوم زمین و سیارات مهندسی ژئوتکنیک و زمین شناسی مهندسی
پیش نمایش صفحه اول مقاله
Shear-strength degradation model for RC columns subjected to cyclic loading
چکیده انگلیسی

An analytical model was developed to estimate the shear-strength degradation and the deformation capacity of slender reinforced concrete columns subjected to cyclic transverse loading. The shear capacity of the concrete compression zone was defined as a function of the inelastic flexural deformation of the column, based on the material failure criteria of concrete. The shear capacity is degraded as the inelastic flexural deformation increases. The deformation capacity of a column is determined when the degraded shear capacity reaches the shear force demanded by flexural yielding of the column. Other failure mechanisms including rebar-buckling and -fracture and flexural failure were also considered to estimate the deformation capacity. The proposed model was applied to test specimens possessing various design parameters. The result showed that the proposed model estimated the shear-strength degradation and deformation capacity of the test specimens with reasonable precision.


► Analytical model for estimating the seismic shear behavior of RC columns.
► Shear capacity as a function of the inelastic flexural deformation of the column.
► Verification with existing test specimens possessing various design parameters.
► Reasonable estimation of the shear-strength degradation and deformation capacity.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Structures - Volume 34, January 2012, Pages 187–197
نویسندگان
, , ,