原文传递
New generation of preoast concrete double tees reinforced with carbon-fiber-reinforced polymer grid
| 题名： | New generation of preoast concrete double tees reinforced with carbon-fiber-reinforced polymer grid |
| 其他题名： | 1.American Society of Civil Engineers(ASCE).2010.Minimum Design Loads for Buildings and Other Structures(ASCE/SEI 7-10).Reston,VA:ASCE. |
| 正文语种： | 英文 |
| 作者： | Dillon Lunn |
| 关键词： | FRP grid;uniform pressure;double-tee flange;design recommendations;vacuum chamber |
| 摘要： | Fiber-reinforced polymer (FRP) grid has several advantages over traditional welded-wire reinforcement, including high strength, corrosion resistance, light weight, and ease of installation. This research evaluates the behavior of double-tee flanges reinforced with FRP grid and subjected to uniform gravity pressure to examine their serviceability and failure mode. This study demonstrates that precast concrete double-tee beams reinforced with FRP grid are capable of resisting uniform pressures well in excess of the design loading. The mode of failure for these specimens was governed by the tensile strength of the concrete, with concrete cracking followed immediately by rupture of the FRP grid. No cracking was observed under service loading. It is recommended that the reduced nominal flexural strength with a Φ factor of 0.75 exceed the moment due to factored load and that the reduced cracking moment capacity exceed 1.33 times the moment due to factored load. |
| 出版年： | 2015 |
| 论文唯一标识： | J-30Y2015V60N04036 |
| 英文栏目名称： | Parking Structures |
| 期刊名称： | PCI-Prestressed Concrete Institute Journal |
| 拼音刊名(出版物代码)： | J-30 |
| 卷： | 60 |
| 期： | 04 |
| 页码： | 37-48 |
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