原文传递
Shear Design and Assessment of Reinforced and Prestressed Concrete Beams Based on a Mechanical Model
| 题名： | Shear Design and Assessment of Reinforced and Prestressed Concrete Beams Based on a Mechanical Model |
| 其他题名： | ACI(American Concrete Institute).(1998)."Recent approaches to shear design of structural concrete."J.Struct.Eng.,124(12),1375–1417. |
| 正文语种： | 英文 |
| 作者： | Antonio Marí |
| 关键词： | Shear strength;Prestressed concrete;Reinforced concrete;Stirrups;Mechanical model;Concrete and masonry structures |
| 摘要： | Safe and economical design and assessment of reinforced (RC) and prestressed concrete (PC) beams requires the availability of accurate but simple formulations which adequately capture the structural response. In this paper, a mechanical model for the prediction of the shear-flexural strength of PC and RC members with rectangular, I, or T sections, with and without shear reinforcement, is presented. The model is based on the principles of concrete mechanics and on assumptions supported by the observed experimental behavior and by the results of refined numerical models. Compact, simple, and accurate expressions are derived for design and verification of the shear strength, which incorporate the most relevant shear transfer actions. Excellent agreement between the predictions of the model and the results of the recently published ACI-DAfStb databases, including more than 1,287 tests on RC and PC beams with and without stirrups, has been observed. The theory behind the model provides consistent explanations for many aspects related to the shear response that are not clearly explained by current code formulations, making it a very helpful tool for daily engineering practice. |
| 出版年： | 2016 |
| 论文唯一标识： | P-26Y2016V142N10007 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/(ASCE)ST.1943-541X.0001539 |
| 期刊名称： | Journal of Structural Engineering |
| 拼音刊名(出版物代码)： | P-26 |
| 卷： | 142 |
| 期： | 10 |
| 页码： | 69-85 |
相关文献
- Shear Design of Strain-Hardening Fiber-Reinforced Concrete Beams
- Short-Term Flexural Behavior of Prestressed Glulam Beams Reinforced with Curved Tendons
- Simplified Shear Design of Slender Reinforced Concrete Beams with Stirrups
- Numerical and digital image correlation study of the flexural behavior of prestressed ultra-high-performance concrete beams made from locally available materials
- Analytical Investigation on Catenary Action in Unbonded Prestressed Concrete Beam-Column Subassemblages
- Design-Oriented Solutions for the Shear Capacity of Reinforced Concrete Beams with and without Fibers
检索历史
应用推荐
