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Showing 1 to 20 of 46 for “"RC beams"”.
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Fatigue behaviour of CFRP-repaired corroded RC beams
… of the structure. With the use of fibre reinforced plastics (FRPs) to rehabilitate and extend the life of structures, the remaining fatigue life after the repair must be assessed. This research is focused on the use of CFRP for the repair of corroded reinforced concrete beams. A series of …
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FLEXURAL STRENGTHENING OF RC BEAMS USING FERROCEMENT LAMINATES
… carried out to investigate the behaviour reinforced concrete beams strengthened in flexure using ferrocement laminates attached onto the soffits (tension face). Five aspects were studied; 1) the theoretical ultimate and serviceability characteristics of the strengthened beams, 2) the …
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Failure Mode Identifications Of Rc Beams Externally Strengthened With
The application of carbon reinforced-fiber polymers (CFRP) to structures is a new development that is still under intense research. However, the rehabilitation or retrofit of damage reinforced concrete members by the external bonding of CFRP is becoming increasingly popular in the construction …
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Interfacial stress analysis and strengh prediction of plated rc beams
Strengthening of reinforced concrete (RC) beams by external plate bonding (EPB) technique has become very popular for the last two decades, especially in the past few years with the increasing applications of the advanced composites. Unlike the unstrengthenedb eams, the composite structure shows an …
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Torsional behavior of RC beams strengthened with PBO-FRCM composite
"Externally bonded fiber reinforced cementitious matrix (FRCM) composites have been investigated recently as an alternative to fiber reinforced polymer (FRP) composites to overcome certain shortcomings such as the inability to install on wet surfaces or in low temperatures, low fire resistance, low …
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Shear strengthening of RC beams using carbon fiber reinforced polymer laminates
… rather than in shear. Many existing reinforced concrete (RC) members are found to be deficient in shear strength and need to be repaired. Deficiencies occur due to several reasons such as insufficient shear reinforcement or reduction in steel area due to corrosion, increased service load, …
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Measurable parameters for performance of correded and repaired RC beams under load
… rely on measurable parameters developed by researchers to predict residual load-bearing capacities of corroding in-service RC structures and to assess repair-effectiveness. Laboratory research that was used to develop these measurable parameters varied between researchers and in most cases, did …
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FRP strengthening of RC beams in flexure and shear : failure modes and design
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
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Nonlinear Finite Element Analysis of FRP Strengthened RC Beams under Static and Cyclic Loads
Fibre reinforced Polymers (FRPs) are being used increasingly in enhancing reinforced concrete structures in civil constructions due to their superior characteristics. A large number of experimental and numerical studies have been carried out on FRP strengthened RC beams in recent decades. However, …
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Behavior of RC beams patch repaired and strengthened with FRP composites : a numerical study
Reinforced concrete (RC) beams get deteriorated and become deficient mainly due to corrosion of steel reinforcements, poor maintenance and design, earthquakes and aging. Patch repair and structural strengthening using fiber reinforced polymers (FRP) have been increasingly adopted all over the world …
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Behaviour of FRP strengthened RC Beams with concrete patch repairs subjected to impact loading
… performance levels and serviceability of reinforced concrete (RC) structures are always the priorities of asset managers, engineers and researchers in any country. RC structures in service may fail to adequately perform due to changes in functionality, corrosion attack on the reinforcing bars, …
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NFEA Modeling of RC Beams Having Exposed Longitudinal Reinforcement: Effects of Debonding on Shear Behavior
… experimental test data of shear critical reinforced concrete beams both with and without shear reinforcement.
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The fatigue performance assessment of corrosion damaged RC beams, patch repaired and externally strengthened using CFRP
… the fatigue performance of Carbon Fiber Reinforced Polymers (CFRP) which were externally bonded onto concrete beams as a repair and strengthening technique for internally corrosion damaged RC beams. It was identified that more research concerning the fatigue performance of externally bonded …
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Effects of structural repair and strengthening on stiffness and ultimate capacity of corrosion-damaged RC beams
Over the years, the need for repair of reinforced concrete (RC) structures has increased significantly, both for old and new structures. The main cause of structural damage in RC structures is corrosion of reinforcement. Therefore there is a need to understand the effects of corrosion damage on the …
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Finite Element Evaluation Of The Effects Of Lateral Anchorage Strips On The Behavior Of Cfrp-strengthened Rc Beams
… study of the flexural behavior of doubly reinforced concrete beams strengthened using different Carbon Fiber Reinforced Polymer (CFRP) composite strengthening configurations has been carried out. Prior to the study, a total of six beams were constructed, pre-cracked, strengthened and tested to …
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SIGNIFICANCE OF U-WRAP FRP SHEAR STRENGTHENING ON FLEXURAL BEHAVIOR OF RC BEAMS STRENGTHENED USING NEAR SURFACE MOUNTED FRP BARS
… of Near Surface Mounted (NSM) Fiber Reinforced Polymers (FRP) strengthened Reinforced Concrete (RC) beams. It is well-known that the performance of NSM-FRP technique is strongly dependent on bond performance between adhesive-concrete and adhesive-FRP interface. Although a full development …
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Shear strength of concrete beams reinforced with glass fiber reinforced polymer bars without stirrups
The use of fiber reinforced polymer (FRP) bars as an alternative to steel bars for reinforced concrete (RC) structures is gaining acceptance among the structural engineers. The investigation of structure performance of FRP-RC members has become a critical issue. Extensive researches have been …
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Shear Behaviour in Slender Reinforced Concrete Beams with and without Transverse Reinforcement
… shear crack behaviour in slender reinforced concrete (RC) beams, focusing on the critical shear crack (CSC) geometry and its impact on crack kinematics and shear transfer mechanisms. Existing models often oversimplify CSC shape assumptions, potentially leading to inaccuracies in shear …
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Flexural performance of textile fine grained mortar containing risk husk ash as a partial cement replacement in reinforced concrete beams
External strengthening of RC beam become a popular method to reduce deterioration. Due to highest demanding on external strengthening, a new innovation was introduced called as textile fine grained mortar (TFGM). TFGM is a composite material which is combined fine grained mortar (FGM) that utilized …
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Textile fine grined mortar containing palm oil fuel ash as a partial cement replacement for flexural strengthening on reinforced concrete beams
Reinforced concrete (RC) beams represents a large percentage of the structure in buildings. As the beams structures known as bending elements, thus most of the structures are often exposed to bending loads, which can affect in serious deteriorations such as concrete cracking and spalling. Due to …
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