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Simplified Shear Design of Slender Reinforced Concrete Beams with Stirrups
| 题名： | Simplified Shear Design of Slender Reinforced Concrete Beams with Stirrups |
| 正文语种： | 英文 |
| 作者： | Zhi-Qi He;Zhao Liu; Zhongguo John Ma, F.ASCE |
| 作者单位： | Southeast Univ;Univ, of Tennessee, Knoxville |
| 关键词： | Reinforced concrete; Shear strength; Truss model; Variable strut angle; Concrete and masonry structures. |
| 摘要： | For simplified shear design of slender reinforced concrete (RC) beams with stirrups, a modified variable-angle truss model is developed in this paper. In this model, an analytical solution of the inclination of struts (0) is derived by combining the theory of plasticity and the concrete softening of the modified compression field theory (MCFT). It is found that there is a decreasing linear relationship between cot and In , where In is the natural logarithm of the mechanical shear-reinforcement ratio. On this basis, a new shear design equation is proposed for slender RC beams with stirrups, which is shown to be not only simpler, but to also provide improved prediction compared with the shear design provisions of some of the existing codes. DOI: 10.106l/(ASCE)ST.1943-541X.0001394. © 2015 American Society of Civil Engineers. |
| 出版日期： | 2016.02 |
| 出版年： | 2016 |
| 期刊名称： | Journal of Structural Engineering |
| 卷： | Vol.142 |
| 期： | NO.02 |
| 页码： | 06015003 |
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