Journal of Composites for Construction

Flexural Performance and Moment Connection of Concrete-Filled GFRP Tube-Encased Steel I-Sections

Sarah Zakaib and Amir Fam
A hybrid system, namely concrete-filled FRP tube (CFFT)-encased steel I-section, is introduced. The embedded steel section enhances flexural strength and stiffness, and provides a pseudo-ductile behavior. It also facilitates connection of the CFFT member to footings or other members. Phase I of the ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000288] posted Fri Feb 3, 2012.

Effects of Eccentricity on the Seismic Rehabilitation Performance of Nonseismically Detailed Interior Beam-Wide Column Joints

Bing Li, Qian Kai, and Weichen Xue
In this paper, the effects of the eccentricity on the effectiveness of fiber-reinforced polymers (CFRP) or glass fiber reinforced polymer (GFRP) in repairing the shear strength and ductility of nonseismically detailed beam-wide column joints have been evaluated. For this purpose, four (two concentri ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000287] posted Fri Feb 3, 2012.

FE Modeling of CFRP-Repaired RC Beams Subjected to Fatigue Loading

Kam Yoke M. Loo, Stephen J. Foster, and Scott T. Smith
A constitutive model is developed for fibre-reinforced polymer (FRP)-to-concrete bond for fatigue loading. The model is verified against available test data with a framework developed for further calibration as new data becomes available. The formulation is incorporated in to a finite element progra ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000286] posted Fri Feb 3, 2012.

Rapid Strengthening of Masonry Structures Cracked in Earthquakes Using Fiber Composite Materials

Xianglin Gu, Bin Peng, Gonglian Chen, Xiang Li, and Yu Ouyang
Many masonry structures have cracking problems after earthquake exposure. Rapid and reliable rehabilitation of such masonry structures is necessary for disaster relief purposes. To improve current strengthening methods for masonry structures with cracking problems by use of fiber reinforced polymer, ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000285] posted Fri Feb 3, 2012.

Effective Moment of Inertia Prediction of FRP Reinforced Concrete Beams Based on Experimental Results

S. Roohollah. Mousavi and M. Reza. Esfahani
Concrete beams reinforced with glass fiber reinforced polymer (GFRP) bars exhibit large deflections in comparison with steel reinforced concrete beams due to the low modulus of elasticity of GFRP bars. This paper proposes new equations for estimating the effective moment of inertia of FRP reinforced ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000284] posted Fri Feb 3, 2012.

Normalized Confinement Stiffness Approach for Modeling FRP Confined Concrete

Veysel Yazici and Muhammad N. S. Hadi
Passive confinement provided by fiber reinforced polymer (FRP) jackets has been proven to increase the compressive strength and axial deformation capacity of concrete by many researchers. This study explains a normalized confinement stiffness approach to quantify the strength and strain increase of ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000283] posted Fri Feb 3, 2012.

FRP/Masonry Debonding: A Numerical and Experimental Study of the Role of Mortar Joints

Christian Carloni and Kolluru V. Subramanian
FRP composites are used as supplementary reinforcement to increase the in-plane shear capacity or to provide out-of-plane load-carrying capability of masonry walls and to modify the collapse mechanism in arches and vaults. In these applications, the efficiency of load transfer is limited by the debo ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000282] posted Fri Feb 3, 2012.

Investigation of RC Beams Strengthened with Prestressed NSM CFRP Laminates

Ali Hajihashemi, Davood Mostofinejad, and Mojtaba Azhari
In this research, concrete beams were strengthened with carbon-fiber-reinforced polymer (CFRP) laminate strips that were placed in precut grooves on the concrete surface. Five simple-span RC beams were tested. Among these specimens, one served as a reference beam and was not strengthened, one was te ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000225] published Fri Jan 13, 2012.

Behavior of Honeycomb FRP Sandwich Structure under Combined Effects of Service Load and Low Temperatures

Wenchao Song and Zhongguo John Ma
This paper presents the experimental study about the behavior of honeycomb fiber-reinforced polymer (HFRP) sandwich structure with corrugated cores under the combined effects of service load and low-temperature cycling (ranging from 24 degrees C to -35 degrees C). The potential debonding at the inte ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000227] published Fri Jan 13, 2012.

Case Study on the Restoration of Flexural Capacity of Continuous One-Way RC Slabs with Cutouts

H. M. Seliem, R. Seracino, E. A. Sumner, and S. T. Smith
Introducing openings in existing reinforced concrete (RC) slabs can severely weaken the slabs because of the cut out of the concrete and reinforcing steel. This paper reports field tests on the use of carbon fiber-reinforced polymer (CFRP) composite strengthening techniques to restore the flexural c ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000232] published Fri Jan 13, 2012.

CFRP Repair of Steel Beams with Various Initial Crack Configurations

Amer Hmidan, Yail J. Kim, and Siamak Yazdani
This paper presents an experimental program to study the behavior of notched steel beams repaired with carbon-fiber-reinforced polymer (CFRP) sheets. Particular attention is paid to examining the interaction between the level of initial damage (i.e., notch depth) and CFRP repair. Multiple stages of ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000223] published Fri Jan 13, 2012.

Three-Dimensional Nonlinear Finite-Element Analysis of Prestressed Concrete Beams Strengthened in Shear with FRP Composites

Young-Min You, Ashraf Ayoub, and Abdeldjelil Belarbi
Nonlinear finite-element (FE) analysis was carried out to investigate the structural response of prestressed concrete (PC) beams strengthened with fiber reinforced polymer (FRP) composites in shear. Development of the FE model for concrete structures dominated by shear, in particular for FRP-strengt ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000226] published Fri Jan 13, 2012.

Textile-Reinforced Mortar versus FRP as Strengthening Material for Seismically Deficient RC Beam-Column Joints

Yousef A. Al-Salloum, Nadeem A. Siddiqui, Hussein M. Elsanadedy, Aref A. Abadel, and Mohammad A. Aqel
In this paper, efficiency and effectiveness of textile-reinforced mortars (TRM) on upgrading the shear strength and ductility of a seismically deficient exterior beam-column joint has been studied. The results are then compared with that of carbon fiber-reinforced polymer (CFRP) and glass fiber-rein ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000222] published Fri Jan 13, 2012.

Seismic Behavior of Beam-Column Joints Reinforced with GFRP Bars and Stirrups

Mohamed Mady, Amr El-Ragaby, and Ehab El-Salakawy
Reinforced concrete beam-column joints are commonly used in structures such as parking garages and road overpasses, which might be exposed to extreme weathering conditions and the application of deicing salts. The use of the noncorrodible fiber-reinforced polymer (FRP) reinforcing bars in such struc ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000220] published Fri Jan 13, 2012.

Reviewers

Abstract not available. [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000254] published Fri Jan 13, 2012.

Mechanics of Bond Fatigue Behavior of Concrete Beams Strengthened with NSM CFRP Rods

Noran Wahab, Khaled A. Soudki, and Timothy Topper
Bond tests were conducted on 28 concrete beams strengthened with near-surface mounted (NSM) carbon-fiber-reinforced polymer (CFRP) rods under different fatigue load levels. In the NSM technique, the CFRP rods are placed inside precut grooves and bonded to the concrete with epoxy adhesive. The test v ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000228] published Fri Jan 13, 2012.

Prediction of Load-Slip Behavior of FRP Retrofitted Masonry

J. Kashyap, M. C. Griffith, M. S. Mohamed Ali, and D. J. Oehlers
The out-of-plane bending resistance of a fiber-reinforced polymer (FRP)-strengthened masonry wall is generally governed by debonding failure mechanisms. The behavior at the FRP-to-masonry interface is a key factor affecting the flexural capacity as it is the means for transfer of stress between the ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000224] published Fri Jan 13, 2012.

Effects of Ratio of CFRP Plate Length to Shear Span and End Anchorage on Flexural Behavior of SCC RC Beams

Adil K. Al-Tamimi, Rami Hawileh, Jamal Abdalla, and Hayder A. Rasheed
The aim of this experimental investigation is to study the effect of the ratio of carbon fiber-reinforced polymer (CFRP) precured laminate length to shear span and different end plate anchorage systems on the flexural behavior of reinforced concrete (RC) beams cast with self-consolidating concrete ( ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000221] published Fri Jan 13, 2012.

Behavior and Modeling of Concrete Confined with FRP Composites of Large Deformability

Jian-Guo Dai, Yu-Lei Bai, and J. G. Teng
This paper presents the results of an experimental study on the behavior of concrete confined by fiber reinforced polymer (FRP) jackets with a large rupture strain (LRS). The FRP composites considered herein are formed by embedding polyethylene naphthalate (PEN) and polyethylene terephthalate (PET) ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000230] published Fri Jan 13, 2012.

Dynamic Response of a Sheet Pile of Fiber-Reinforced Polymer for Waterfront Barriers

Giosue Boscato, J. Toby Mottram, and Salvatore Russo
This paper presents the results from a combined experimental and advanced computational study to understand the dynamic response of a pultruded fiber-reinforced polymer (FRP) sheet pile of 9 m length that is installed into the ground near Venice, Italy. The peak embedment force of 10 kN is applied a ... [J. Compos. Constr. doi:10.1061/(ASCE)CC.1943-5614.0000231] published Fri Jan 13, 2012.

Performance under Fire Situations of Concrete Members Reinforced with FRP Rods: Bond Models and Design Nomograms

Emidio Nigro, Antonio Bilotta, Giuseppe Cefarelli, Gaetano Manfredi, and Edoardo Cosenza
Intuitively, the fire endurance of concrete members reinforced with Fiber Reinforced Polymer (FRP) bars is related to the decrease in the mechanical properties of the materials concerned, especially resin. Large-scale fire tests recently performed on nine concrete slabs reinforced with glass FRP bar ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000279] posted Fri Dec 23, 2011.

Behavior of Large-Scale Concrete Columns Wrapped with CFRP and SFRP Sheets

Khaled Abdelrahman and Raafat El-Hacha
Circumferential wrapping of Fiber Reinforced Polymer (FRP) sheets is one of the most common applications for repair and rehabilitation of large-scale columns. Common types of fibers used for wrapping are Carbon FRP (CFRP), Glass FRP (GFRP) and Aramid FRP (AFRP). Recently, Steel FRP (SFRP) has been i ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000278] posted Fri Dec 23, 2011.

Modeling of Buckling and Wrinkling Behavior in GFRP Plate and Sandwiches subjected to Biaxial CompressionTension Loading

Behzad D. Manshadi, Anastasios P. Vassilopoulos, Julia de Castro, and Thomas Keller
A model for predicting the buckling and wrinkling behavior of composite plates and sandwich panels subjected to in-plane biaxial compression-tension loading is presented in this paper. In-plane biaxial compression-tension loading occurs in the webs of plate girders or cell-core sandwiches. The model ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000277] posted Tue Dec 20, 2011.

Anchorage Devices used to improve the Performance of Reinforced Concrete Beams Retrofitted with FRP Composites: A-State-of-the-Art-Review

R Kalfat, R Al-Mahaidi, and Scott T. Smith
The anchorage of fibre-reinforced polymer (FRP) composites when applied to reinforced concrete (RC) structures as externally bonded reinforcement is an effective means to achieve higher levels of fibre utilisation prior to premature debonding failure. Commonly documented anchorage methods for FRP-to ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000276] posted Tue Dec 20, 2011.

Time-Variant Reliability Analysis and Flexural Design of GFRP-Reinforced Bridge

Young Hoon Kim, David Trejo, and Paolo Gardoni
Glass-fiber reinforced polymer (GFRP) reinforcement is being used in bridge decks as a replacement for steel reinforcement. It is thought that since the GFRP reinforcement does not corrode, it can be a more sustainable material for reinforced concrete structures. However, it is widely reported that ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000275] posted Tue Dec 20, 2011.

Behavior of Wide Shallow RC Beams Strengthened with CFRP Reinforcement

Abdulaziz I. Al-Negheimish, Ahmed K. El-Sayed, Rajeh A. Al-Zaid, Ahmed B. Shuraim, and Abdulrahman M. Alhozaimy
One-way reinforced concrete joist floor with wide shallow beams (WSBs) are used widely in building construction throughout the Middle East. The short and long term behavior of WSBs externally strengthened with carbon fiber-reinforced polymer (CFRP) reinforcement was studied on isolated beams and as ... [Journal of Composites for Construction doi:10.1061/(ASCE)CC.1943-5614.0000274] posted Tue Dec 20, 2011.