کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7212984 | 1469397 | 2016 | 50 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Response of pultruded glass composite box beams under bending and shear
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
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چکیده انگلیسی
Existing failure load prediction models for pultruded Fiber Reinforced Polymer (FRP) box beams are inaccurate when compared to experimental evaluations provided herein by the authors. This inaccuracy is attributed to improper identification of failure modes based on beam span-to-depth ratios and principal strain resulting in premature failure compared to elastic bending stress-based failures. Inclusion of stress intensity factors and computation of stress concentrations aids in consistently accurate results compared with experimental data. The proposed equations are predicting critical flexural load capacities within ±22% of experimental data for all cases. The failure model in tension is the most accurate one, while local buckling predictions in compression need further refinement.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part B: Engineering - Volume 88, 1 March 2016, Pages 150-161
Journal: Composites Part B: Engineering - Volume 88, 1 March 2016, Pages 150-161
نویسندگان
Daniel D. Estep, Hota V.S. GangaRao, David B. Dittenber, Muhammad Asif Qureshi,