Shear Strengthening of Reinforced Concrete Deep Beams Using Carbon Fiber Reinforced Polymer Laminates

2004 ◽  
Vol 8 (5) ◽  
pp. 403-414 ◽  
Author(s):  
Zhichao Zhang ◽  
Cheng-Tzu Thomas Hsu ◽  
Jon Moren
Keyword(s):  
Reinforced Concrete ◽  
Carbon Fiber ◽  
Fiber Reinforced Polymer ◽  
Carbon Fiber Reinforced Polymer ◽  
Fiber Reinforced ◽  
Deep Beams ◽  
Shear Strengthening ◽  
Reinforced Polymer ◽  
Carbon Fiber Reinforced ◽  
Polymer Laminates

Analysis of process-induced deformation on the spring-in of carbon fiber-reinforced polymer thin laminates

2019 ◽  
Vol 53 (20) ◽  
pp. 2901-2907 ◽  
Author(s):  
Andrea Corrado ◽  
Wilma Polini
Keyword(s):  
Carbon Fiber ◽  
Fiber Reinforced Polymer ◽  
Carbon Fiber Reinforced Polymer ◽  
Fiber Reinforced ◽  
Cure Process ◽  
Reinforced Polymer ◽  
Numerical Tool ◽  
Carbon Fiber Reinforced ◽  
Polymer Laminates ◽  
Flange Angle

The cure process of carbon fiber-reinforced polymer laminates induces residual stress inside the parts that causes geometrical unconformities. The most important unconformity is the spring-in that means the deviation of the flange-to-flange angle from the design angle. The spring-in value depends on some process parameters, such as the lay-up sequence of the plies, as demonstrated in previous works. The aim of this work is to study the dependence of the spring-in on the deviations in the orientation of the plies due to a hand process. A numerical tool was developed and experimentally tested.

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