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Peak Shear Strength of Flanged Reinforced Concrete Squat Walls
| 题名： | Peak Shear Strength of Flanged Reinforced Concrete Squat Walls |
| 正文语种： | 英文 |
| 作者： | Jiaxing Ma; Chao-Lie Ning; Bing Li |
| 作者单位： | Zhejiang Univ;Tongji Univ;Tongji Univ |
| 关键词： | Flanged wall; Peak shear strength; Reinforced concrete; Squat wall; Strut-and-tic model |
| 摘要： | Flanged RC squat walls, defined by a shear span ratio less than two, are widely used in conventional buildings and nuclear facilities. However, due to the mechanical defects and insufficient parameters included, equations available in building codes and the literature exhibit significant scatter in predicting the peak shear strength of such walls. In this paper, a modified stmt-and-tie model, including effects of flanges, was developed to account for the force-resisting mechanism in flanged RC squat walls and to derive the function form of the peak shear strength equation. Non linear regression was conducted to obtain the magnitude of unknown coefficients in the function form using a database containing 119 walls. The finalized equation was simplified and evaluated with models available in the literature. Results revealed that the proposed equation performs much better than current methods and provides guidance for the design of flanged RC squat walls. |
| 出版日期： | 2020 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.146 |
| 期： | No.04 |
| 页码： | 04020037 |
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