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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"fiber-reinforced polymer (FRP) composites"”.
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Fiber-Reinforced Polymer (FRP) Composites in Retrofitting of Concrete Structures: Polyurethane Systems Versus Epoxy Systems
Fiber reinforced polymer (FRP) composites have been of interest to the structural engineering society since the earliest days of FRP composites industry. The use of such systems has been implemented in both new construction and for repair and rehabilitation of existing structures. Since the 1980s, …
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Development of technical bases for using infrared thermography for nondestructive evaluation of fiber reinforced polymer composites bonded to concrete
Fiber-reinforced polymer (FRP) composites, in the form of pultruded laminates or built-up woven fabrics, are being used widely to strengthen existing concrete and masonry structures. The success of these materials in performing their intended functions depends, to a large extent, on how well they …
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New generation fiber reinforced polymer composites incorporating carbon nanotubes
… last five decades observed an increasing use of fiber reinforced polymer(FRP) composites as alternative construction materials for aerospace and infrastructure. The high specific strength of FRP attracted its use as non-corrosive reinforcement. However, FRP materials were characterized with a …
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Strength and Life Prediction of FRP Composite Bridge Deck
Fiber reinforced polymer (FRP) composites are considered very promising for infrastructure applications such as repair, rehabilitation and replacement of deteriorated bridge decks. However, there is lack of proper understanding of the structural behavior of FRP decks. For example, due to the …
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Modular track panels for improved safety in the mining transportation industry
… track modules made of prestressed concrete and fiber reinforced polymer (FRP) composites were evaluated. Two modular prestressed concrete modules, each 15 ft long, were tested, as well as one set of prestressed concrete half-panels to test the proposed open joint. One FRP panel was also tested. …
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Enhancement of Mechanical, Structural, and Electrical Properties in Advanced Composites and Vat Photopolymerized 3D Printing Nanocomposites
<p>Advanced composites have gained significant attention across various industries, including aerospace, automotive, clean energy, and healthcare, owing to their exceptional mechanical properties and versatility. Fiber-reinforced polymer (FRP) composites, particularly those reinforced with carbon …
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Effects of aging on bond between FRP and concrete
Fiber Reinforced Polymer (FRP) composites are continuing to gain prominence for structural and non-structural applications all across the world. FRP composites are being used as complete structural systems or in conjunction with conventional materials leading to hybrid structures. The study of …
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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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Retrofitting unreinforced concrete masonry to resist tornado loading
… structural failures, buildings with walls of Unreinforced Masonry (URM) are incapable of withstanding the magnitude of forces brought on by a tornado, and the cracking or failure of just one wall can lead to the progressive collapse of the entire structure. The need to reinforce these systems is …
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Remote nondestructive evaluation of composite-steel interface by acoustic laser vibrometry
… both civil and ship structures. In particular, fiber reinforced polymer (FRP) composites are being utilized. FRP materials are most often employed to reinforce aging or damaged portions of civil structures. On naval vessels, FRP materials are incorporated to reduce weight, particularly up high, …
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Reliability based design methodology incorporating residual strength prediction of structural fiber reinforced polymer composites under stochastic variable amplitude fatigue loading
… focus is on fatigue analyses for axially loaded fiber reinforced polymer (FRP) composites that contain a significant proportion of fibers in the loading direction and thus have fiber-direction dominated failure. The four papers presented in this dissertation describe the logical progression used …
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Finite Element Evaluation Of The Effects Of Lateral Anchorage Strips On The Behavior Of Cfrp-strengthened Rc Beams
… element 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 …
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Mechanics and subcritical cracking of FRP-concrete interface
… nation's infrastructures is clear. Strengthening Reinforced Concrete (RC) members using Fiber Reinforced Polymer (FRP) composites through external bonding has emerged as a viable technique to retrofit/repair deteriorated infrastructures. The interface between the FRP and concrete plays a critical …
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Strengthening reinforced concrete slabs using a combination of CFRP and UHPC
Reinforced concrete (RC) structures are widely used in construction. Due to aging infrastructure, increased loads, and inadequate maintenance, RC structures need to be retrofitted for prolonged lifespan and increased capacity. Traditional methods of strengthening involve the installation of fiber …
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Blast Retrofit of Unreinforced Masonry Walls Using Fabric Reinforced Cementitious Matrix (FRCM) Composites
Unreinforced masonry (URM) walls are commonly found in existing and heritage buildings in Canada, either as infill or load-bearing walls. Such walls are vulnerable to sudden and brittle failure under blast loads due to their insufficient out-of-plane strength. The failure of such walls under blast …
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Repair of damaged end regions of prestressed concrete girders using fiber reinforced polymer composite materials
Over the past couple decades, fiber reinforced polymer (FRP) composites have emerged as a lightweight and efficient repair and retrofit material for many concrete infrastructure applications. FRP can be applied to concrete using many techniques, but primarily as either externally bonded laminates …
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Multi-hazard performance of bridge timber piles retrofitted with fiber reinforced polymer composites
… have focused on every aspect of conventional reinforced concrete or steel bridges, research activity on timber bridges has been almost non-existent. Given ever increasing demands on bridges and interest in sustainable, resilient structures, the time is now to close the gap. The first part of …
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Cyclic and Impact Resistance of FRP Repaired Poles
… the dent depth and the use of externally-bonded fiber-reinforced polymer (FRP) composites are beneficial to repair them. The composite systems were comprised of glass or basalt fibers paired with epoxy or polyurethane matrices. The effectiveness of FRP in repairing the damaged poles was …
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Retrofit of Reinforced Concrete Beams using Externally Bonded and Unbonded Fiber Metal Laminate
… research investigates the flexural behavior of reinforced concrete (RC) beams retrofitted with fiber metal laminate (FML), an advanced hybrid material composed of alternating layers of metal and fiber-reinforced polymer (FRP) composites bonded through a thermoplastic or thermoset polymeric …
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Increasing the Blast Resistance of Concrete Masonry Walls Using Fabric Reinforced Cementitious Matrix (FRCM) Composites
Unreinforced masonry (URM) walls are often used as load-bearing or infill walls in buildings in many countries. Such walls are also commonly found in existing and heritage buildings in Canada. URM walls are strong structural elements when subjected to axial loading, but are very vulnerable under …
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