دانلود مقاله ISI انگلیسی شماره 79669
عنوان فارسی مقاله

پیش بینی مقاومت برشی تیرهای بتن FRP تقویت شده بدون رکاب بر اساس برنامه نویسی ژنتیک

کد مقاله سال انتشار مقاله انگلیسی ترجمه فارسی تعداد کلمات
79669 2011 10 صفحه PDF سفارش دهید محاسبه نشده
خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.
عنوان انگلیسی
Prediction of shear strength of FRP-reinforced concrete beams without stirrups based on genetic programming
منبع

Publisher : Elsevier - Science Direct (الزویر - ساینس دایرکت)

Journal : Advances in Engineering Software, Volume 42, Issue 6, June 2011, Pages 295–304

کلمات کلیدی
برنامه نویسی بیان ژن؛ پلیمرهای تقویت شده فیبر - مقاومت برشی؛ تیرهای بتن
پیش نمایش مقاله
پیش نمایش مقاله پیش بینی مقاومت برشی تیرهای بتن FRP تقویت شده بدون رکاب بر اساس برنامه نویسی ژنتیک

چکیده انگلیسی

The use of fibre reinforced polymer (FRP) bars to reinforce concrete structures has received a great deal of attention in recent years due to their excellent corrosion resistance, high tensile strength, and good non-magnetization properties. Due to the relatively low modulus of elasticity of FRP bars, concrete members reinforced longitudinally with FRP bars experience reduced shear strength compared to the shear strength of those reinforced with the same amounts of steel reinforcement. This paper presents a simple yet improved model to calculate the concrete shear strength of FRP-reinforced concrete slender beams (a/d > 2.5) without stirrups based on the gene expression programming (GEP) approach. The model produced by GEP is constructed directly from a set of experimental results available in the literature. The results of training, testing and validation sets of the model are compared with experimental results. All of the results show that GEP is a strong technique for the prediction of the shear capacity of FRP-reinforced concrete beams without stirrups. The performance of the GEP model is also compared to that of four commonly used shear design provisions for FRP-reinforced concrete beams. The proposed model produced by GEP provides the most accurate results in calculating the concrete shear strength of FRP-reinforced concrete beams among existing shear equations provided by current provisions. A parametric study is also carried out to evaluate the ability of the proposed GEP model and current shear design guidelines to quantitatively account for the effects of basic shear design parameters on the shear strength of FRP-reinforced concrete beams.

خرید مقاله
پس از پرداخت، فوراً می توانید مقاله را دانلود فرمایید.