Experimental Behavior of Carbon Fiber-Reinforced Polymer (CFRP) Sheets Attached to Concrete Surfaces Using CFRP Anchors

Niemitz, Carl W.; James, Ryan; Breña, Sergio F.

doi:10.1061/(asce)cc.1943-5614.0000064

Cited by 66 publications

(51 citation statements)

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“…A series of laboratory experiments have been conducted in the structural engineering laboratory at the University of Massachusetts-Amherst over the last few years to improve an understanding in the behavior of FRP sheets anchored using FRP anchors (Niemitz et al 2010;McGuirk and Breña 2012). The tests were designed as a first step to identify the parameters that affect the behavior of FRP sheets with supplementary FRP anchors.…”

Section: Experimental Investigations Of Anchored Frp Sheetsmentioning

confidence: 99%

“…An un-bonded distance equal to the sheet width of 127 mm was deemed sufficient. The specimens tested by Niemitz et al (2010) were divided into three groups (A, B, and C) according to existence and arrangement of FRP anchors. Group A specimens were only bonded, group B had combinations of bonded regions and anchors of different sizes and patterns, and sheets in group C specimens were unbonded and attached solely using FRP anchors.…”

Section: Experimental Investigations Of Anchored Frp Sheetsmentioning

confidence: 99%

“…Niemitz et al (2010) used sheets fabricated from a single manufacturer (FRP system M) and (McGuirk and Breña 2012) used sheets from two different manufacturers (FRP systems F and S). Unidirectional carbon fiber sheets bonded formed by wet layup were used in all cases.…”

Section: Frp Materialsmentioning

confidence: 99%

“…Detailed discussions of the testing results that include additional comparisons among similar specimens and observations on measured strained are contained in the original references (Niemitz et al 2010;McGuirk and Breña 2012).…”

Section: Observations On Behavior Of Anchored Frp Systemsmentioning

confidence: 99%

“…More recently the technique involving anchorage of FRP sheets using field formed FRP anchors has been identified as a means to anchor FRP sheets to concrete elements (Niemitz et al 2010;Kim and Smith 2009). The number of studies in this area is still limited.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

Advances on the Behavior Characterization of FRP-Anchored Carbon Fiber-Reinforced Polymer (CFRP) Sheets Used to Strengthen Concrete Elements

Breña

Mcguirk

2013

Int J Concr Struct Mater

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Strengthening concrete structures using FRP composites is a commonly considered technology in many practical situations. The success of the strengthening intervention largely depends on adequate bond between FRP sheets and the concrete substrate. In recent years, techniques to anchor FRP sheets in applications where sheets must develop strength in a short length have been proposed. One of these techniques includes use of FRP anchors embedded into the concrete substrate and forming part of the composite strengthening system. This paper presents the results of studies conducted recently at the University of Massachusetts Amherst to advance the understanding on the behavior of FRP anchored systems.

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Section: Experimental Investigations Of Anchored Frp Sheetsmentioning

confidence: 99%

Section: Experimental Investigations Of Anchored Frp Sheetsmentioning

confidence: 99%

Section: Frp Materialsmentioning

confidence: 99%

Section: Observations On Behavior Of Anchored Frp Systemsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Advances on the Behavior Characterization of FRP-Anchored Carbon Fiber-Reinforced Polymer (CFRP) Sheets Used to Strengthen Concrete Elements

Breña

Mcguirk

2013

Int J Concr Struct Mater

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Methods for Strengthening Reinforced Concrete Buildings

2023

Seismic Retrofit of Existing Reinforced Concrete Buildings

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Nonlinear finite element model for interface between anchoraged carbon fiber reinforced polymer and concrete surface

Sakin

2019

Structural Concrete

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In the current study, a new approach to represent the carbon fiber reinforced polymer (CFRP) fan type anchors in finite element analysis is produced. That method is based on increasing the bonding strength between CFRP and concrete over a specific area where the CFRP anchor penetrates the concrete. It was implemented by using new bond‐slip model to represent the interface between CFRP strip and concrete over a specific area where the CFRP anchors penetrate the concrete; the parameters of the proposed bond‐slip model are related to the parameters of the unanchored bond‐slip model proposed by Lu et al. Eng Struct. 2005;27:920–937. These parameters were estimated by fitting of the finite element analysis results to available experimental results from the literature published by one of the authors. The results obtained by using the proposed model showed a good agreement with those from experimental results.

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Experimental Behavior of Carbon Fiber-Reinforced Polymer (CFRP) Sheets Attached to Concrete Surfaces Using CFRP Anchors

Cited by 66 publications

References 10 publications

Advances on the Behavior Characterization of FRP-Anchored Carbon Fiber-Reinforced Polymer (CFRP) Sheets Used to Strengthen Concrete Elements

Advances on the Behavior Characterization of FRP-Anchored Carbon Fiber-Reinforced Polymer (CFRP) Sheets Used to Strengthen Concrete Elements

Methods for Strengthening Reinforced Concrete Buildings

Nonlinear finite element model for interface between anchoraged carbon fiber reinforced polymer and concrete surface

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