نتایج جستجو برای: fiber reinforced polymers frp

تعداد نتایج: 232223  

2004
Francesco Micelli Antonio Nanni

Over the last two decades fiber-reinforced polymer (FRP) rods have emerged as one of the most promising and affordable solutions to the corrosion problems of steel reinforcement in structural concrete. The application of FRP rods in new or damaged structures requires the development of design equations that must take into account the mechanical properties and the durability properties of FRP pr...

Journal: :Journal of rehabilitation research and development 2000
J Hahl M Taya

Saito et al. (Modern Plastics 1997;74:175-7) have developed a low-cost transtibial prosthesis made of fiber-reinforced plastic (FRP). The prosthesis is comprised of an aluminum pylon, a cosmetic cover, and a constant cross-section composite foot into which aluminum supports are screwed to increase load-bearing capacity. Replacing these supports with a single integrated FRP stiffener significant...

Journal: :AL Rafdain Engineering Journal 2023

Fiber Reinforced Polymer (FRP) materials have become more popular according to contemporary developments in civil engineering applications. These been used repair and rehabilitate traditional structures. In turn, the majority of currently applications are result research recommendations made by fiber composite manufacturers or experience designer. Therefore, optimization techniques try achieve ...

Journal: :Structural Concrete 2021

Employing non-metallic reinforcement made of fiber-reinforced polymers (FRPs) as textile grids is one promising extension the utilization range FRP in concrete construction, and thin planar elements reinforced this manner have high application potential bridge or parking garage decks, façades, webs flanges hollow core cross-sections. Existing models for predicting shear resistance such were der...

2009
J. C. González S. Martínez A. Jardón C. Balaguer

This paper describes an innovative alternative to manual procedures for the application of carbon fiber and resin injection in concrete surfaces in tunnels. It is based on a specially designed light-weight integrated tool for automatic application of Fiber Reinforced Polymer (FRP) and epoxy resin injection. Vision and laser telemeter sensing are integrated into the tool to assure precise inspec...

2001

The use of fiber reinforced polymers (FRP) for reinforcement of aging and deteriorating concrete members has emerged as a viable and cost effective alternative to traditional repair and strengthening techniques to upgrade deficient structures to meet today’s design standards (Crasto et al., 1996; Myers et al., 2000). The load carrying ability of structures such as beams and columns can be enhan...

Enhancement of strength and ductility is the main reason for the extensive use of FRP (fiber reinforced polymer) jackets to provide external confinement to reinforced concrete columns especially in seismic areas. Therefore, numerous researches have been carried out in order to provide a better description of the behavior of FRP confined concrete for practical design purposes. This study present...

2008
Enrica Riva Marco Mantovani Gianni Nicoletto

Reliable failure prediction methods are required for extending the range of applications of carbon-fiber-reinforced-polymers. In parallel, the development of non-destructive tests (NDT) for continuous health monitoring would result in structures of improved durability and safety. Carbon fibre-reinforced polymers (CFRP) have been investigated for the development of “smart” structures characteriz...

2001
H. Y. Leung C. J. Burgoyne

This paper presents a method of analysis for the response of concrete beams reinforced with fibrereinforced-plastic (FRP) tension rods and aramid spirals. Three different kinds of longitudinal reinforcement are adopted; CFRP, AFRP and GFRP. Both under-reinforced and over-reinforced sections are described. It is found that the ratio of neutral axis depth and effective depth can be used as an ind...

2001
YOO JIN KIM

The enhanced structural performance of Reinforced Concrete (RC) columns retrofitted by Fiber Reinforced Polymer (FRP) composite jackets, has been well demonstrated and an increasingly large number of bridge and building columns have been retrofitted with such jackets in the United States and elsewhere. However, seismic damage such as debonding between the jacket and the column that can consider...

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