Academic literature on the topic 'FRP shapes'

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Journal articles on the topic "FRP shapes"

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Zureick, A. "FRP pultruded structural shapes." Progress in Structural Engineering and Materials 1, no. 2 (1998): 143–49. http://dx.doi.org/10.1002/pse.2260010206.

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Li, Xian, Heng Lin Lv, and Shu Chun Zhou. "Flexural Behavior of Innovative Hybrid GFRP-Reinforced Concrete Beams." Key Engineering Materials 517 (June 2012): 850–57. http://dx.doi.org/10.4028/www.scientific.net/kem.517.850.

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Fiber-reinforced polymer (FRP) bars are emerging as a competitive option for replacing steel bars as reinforcement in various concrete structures exposed to aggressive environments. However, the low elastic modulus and brittleness of FRP bars significantly reduce the stiffness and the ductility of FRP-reinforced concrete (FRP-RC) members. In order to improve the flexural behavior of FRP-RC members and meanwhile ensure their satisfactory corrosion-resistant performance, an innovative FRP-reinforced concrete encased steel composite (FRP-RCS) member, which consists of ductile structural steel sha
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Boscato, Giosuè, Ivano Aldreghetti, Daniele Baraldi, et al. "Shape Design Enhancement of Pultruded FRP Profiles for Structures Ancillary to Masonry Constructions." Key Engineering Materials 817 (August 2019): 83–88. http://dx.doi.org/10.4028/www.scientific.net/kem.817.83.

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The historical building heritage, monumental, civil and industrial has highlighted, especially in the last decade, the high vulnerability with respect to horizontal actions. The need to design stable and strong structural systems with respect to the stresses acting in various directions has oriented research to develop lightweight technologies for structural systems, independent or ancillary, with reduced mass to mitigate the consequent applied load. In this scenario all-FRP (Fiber Reinforced Polymers) systems can be a valid alternative for new constructions and / or structural reinforcement.
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Choi, Jin Woo, Seung Sik Lee, Hyung Joong Joo, Young Jong Sim, and Soon Jong Yoon. "Form Factor for the Design of Pultruded FRP Structural Members under Compression." Materials Science Forum 654-656 (June 2010): 2648–51. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2648.

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As a new construction material, fiber reinforced polymeric plastic structural shapes are readily available. Therefore, construction and structure rehabilitation using FRP materials are an ever increasing trend because of FRP material’s superior chemical and mechanical properties compared with those of conventional construction materials such as steel and concrete. Among the FRP materials, pultruded fiber reinforced polymeric plastics are the most popular for civil engineering applications. However, it has relatively low modulus of elasticity and also cross-section of structural shapes is compo
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Pekbey, Yeliz, and Esmaeil Ghanbari. "Flexural-torsional buckling of FRP thin-walled composite with various sections." Science and Engineering of Composite Materials 21, no. 4 (2014): 537–49. http://dx.doi.org/10.1515/secm-2013-0227.

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AbstractThe flexural-torsional buckling of thin-walled pultruded fiber-reinforced plastic (FRP) members composed of unstiffened, stiffened cruciform- and I-shaped sections under uniform compressive loads was investigated using finite element methods (FEM). As the basic method, an eigenvalue solution using the minimum potential energy method was utilized to obtain the critical buckling stress and buckling mode shapes. FEM results were compared with the closed-form solutions and literature results. Furthermore, a parametric study was carried out to investigate the different cross-section geometr
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Davalos, J. F., H. A. Salim, P. Qiao, R. Lopez-Anido, and E. J. Barbero. "Analysis and design of pultruded FRP shapes under bending." Composites Part B: Engineering 27, no. 3-4 (1996): 295–305. http://dx.doi.org/10.1016/1359-8368(95)00015-1.

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Choi, Hoon, Hyung Joong Joo, Jeong Hun Nam, Kyoung Soo Kim, and Soon Jong Yoon. "Structural Design for the Development of the Floating Type Photovoltaic Energy Generation System." Materials Science Forum 654-656 (June 2010): 2803–6. http://dx.doi.org/10.4028/www.scientific.net/msf.654-656.2803.

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In this paper, we present the structural design for the development of the floating type photovoltaic energy generation system using pultruded FRP members. Pultruded FRP has superior material properties compared with those of conventional structural materials. Especially, pultruded FRP has an excellent corrosion-resistance along with high specific strength and stiffness, which are highly appreciated for the design and fabrication of the floating type photovoltaic energy generation system. In the paper, investigations pertaining to the mechanical and structural behaviors of FRP structural membe
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Qiao, Pizhong, Julio F. Davalos, and Jialai Wang. "Local Buckling of Composite FRP Shapes by Discrete Plate Analysis." Journal of Structural Engineering 127, no. 3 (2001): 245–55. http://dx.doi.org/10.1061/(asce)0733-9445(2001)127:3(245).

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He, Wei, Bing Fu, and Feng-Chen An. "Analysis and Design of Short FRP-Confined Concrete-Encased Arbitrarily Shaped Steel Columns under Biaxial Loading." International Journal of Polymer Science 2018 (November 25, 2018): 1–11. http://dx.doi.org/10.1155/2018/9832894.

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The FRP-confined concrete-encased steel column is a new form of hybrid column, which integrates advantages of all the constituent materials. Its structural performance, including load carrying capacity, ductility, and corrosion resistance, has been demonstrated to be excellent by limited experimental investigation. Currently, no systematic procedure, particularly for that with reinforced structural steel of arbitrary shapes, has been proposed for the sectional analysis and design for such novel hybrid columns under biaxial loading. The present paper aims at filling this research gap by proposi
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Lee, Seung Sik, Soon Jong Yoon, S. K. Cho, and Jong Myen Park. "Buckling Behavior of Pultruded Monosymmetric Members." Key Engineering Materials 297-300 (November 2005): 1259–64. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.1259.

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Pultruded fiber reinforced polymer (FRP) structural members have been used in various civil engineering applications. T-shapes are commonly used for chord members in trusses and for bracing members. In these cases, T-shapes are mainly subjected to axial forces, and stability of a member is one of the major concerns in the design. Due to the monosymmetry existing in the cross-section of T-shapes, T-shapes are likely to buckle in a flexural-torsional mode. An energy solution, using the Ritz method, to the buckling problem of a pulturuded T-shape under uniform compression is derived based on a co
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Dissertations / Theses on the topic "FRP shapes"

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Edwards, K. L. "Advanced CNC filament winding of complex FRP shapes." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355429.

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Sommer, Renee. "Fiber reinforced polymer (FRP) pultruded shape structural connections." Kansas State University, 2011. http://hdl.handle.net/2097/13123.

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Master of Science<br>Department of Architectural Engineering and Construction Science<br>Kimberly Waggle Kramer<br>This report discusses the two main types of structural connections used for fiber reinforced polymer (FRP) pultruded shapes, which are mechanical and bonded connections. The most common types of mechanical and bonded connections for FRP pultruded shapes are bolted and adhesively bonded joints respectively, and the advantages and disadvantages of each are discussed. Bolted connections are the most common type of connection used for FRP pultruded shapes and are therefore the focus o
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Schniepp, Timothy John. "Design Manual Development for a Hybrid, FRP Double-Web Beam and Characterization of Shear Stiffness in FRP Composite Beams." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/34550.

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Fiber-reinforced polymeric (FRP) composites are being considered for structural members in bridge construction as lighter, more durable alternatives to steel and concrete. Extensive testing and analysis of a pultruded, hybrid double web beam (DWB) developed for use in bridge construction has been conducted at Virginia Tech. A primary purpose of this testing is the development of a structural design guide for the DWB, which includes stiffness and strength data. The design manual also includes design allowables determined through a statistical analysis of test data. Static testing of the beam
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Hayes, Michael David. "Characterization and Modeling of a Fiber-Reinforced Polymeric Composite Structural Beam and Bridge Structure for Use in the Tom's Creek Bridge Rehabilitation Project." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/35852.

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<p> Fiber reinforced polymeric (FRP) composite materials are beginning to find use in construction and infrastructure applications. Composite members may potentially provide more durable replacements for steel and concrete in primary and secondary bridge structures, but the experience with composites in these applications is minimal. Recently, however, a number of groups in the United States have constructed short-span traffic bridges utilizing FRP members. These demonstration cases will facilitate the development of design guidelines and durability data for FRP materials. The Tom's Creek
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Walkenhauer, Brian John. "Seismic retrofit of cruciform-shaped columns in the Aurora Avenue Bridge using FRP wrapping." Pullman, Wash. : Washington State University, 2010. http://www.dissertations.wsu.edu/Thesis/Spring2010/b_walkenhauer_060110.pdf.

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Thesis (M.S. in civil engineering)--Washington State University, May 2010.<br>Title from PDF title page (viewed on June 23, 2010). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 90-91).
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Raad, Janet. "Prestressing RC Beams with Near Surface Mounting (NSM) Fiber Reinforced Polymers (FRP) and/or Iron-Based Shape Memory Alloy (Fe-SMA) Rods." University of Toledo / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1544176799414432.

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Bürki, Cédric-Alain. "Mixing and gas transfer studies in orbital shaken cylindrical vessels /." Sion, 2008. http://doc.rero.ch/record/10793?ln=fr.

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Sharma, Akhil. "A New Multiple Input Random Excitation Technique Utilizing Pneumatic Cylinders." University of Cincinnati / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1470671978.

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Rigaud, Bastien. "Radiothérapie adaptative guidée par l’imagerie anatomique." Thesis, Rennes 1, 2018. https://ged.univ-rennes1.fr/nuxeo/site/esupversions/718ad2cd-1afa-4219-8c54-640c6bf5f6b6.

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Le traitement standard des cancers du col de l’utérus localement avancés repose sur une radiothérapie en parallèle à une chimiothérapie, suivie d’une curiethérapie. La radiothérapie externe comporte une phase de planification du traitement faite à partir d’une unique acquisition scanner et une phase de délivrance. Cependant, la position et la forme de la cible clinique varient fortement durant le traitement, avec des conséquences en termes de contrôle de la tumeur et de toxicité. L’objectif de cette thèse est donc de développer des stratégies optimisées de radiothérapie adaptative personnalisé
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Megherbi, Najla. "Association de données par la théorie des fonctions de croyance : application au suivi audio et vidéo des individus." Lille 1, 2006. https://ori-nuxeo.univ-lille1.fr/nuxeo/site/esupversions/80c367bd-693c-4449-9b0c-42d2a04d562a.

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Ce mémoire présente une méthode d'association crédibiliste de données dans le contexte du suivi multi-objet par un système de perception multi-capteur hétérogènes. La méthode d'association proposée est formulée dans le cadre du monde ouvert considéré comme non exhaustif et dans le contexte des modèles de Fonctions de Croyance Transférables. La détection des phénomènes d'apparition et de disparition des objets est réalisée par une analyse spécifique de la masse conflictuelle résultante de la phase de combinaison des informations. Afin de valider la méthode d'association proposée, nous nous somm
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Books on the topic "FRP shapes"

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Finding the groove: Composing a jazz-shaped faith. Zondervan, 2009.

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Braathen, Bjørn L. G. Briller: Fra ren nytte til mest pynt = Eyewear styles and shapes seen through Norwegian eyes. Orage, 2013.

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Weinreb, Alice. Modern Hungers. Oxford University Press, 2017. http://dx.doi.org/10.1093/acprof:oso/9780190605094.001.0001.

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This book explores Germany’s role in the two world wars and the Cold War to analyze the food economy of the twentieth century. It argues that controlling food supply and determining how and what people ate shaped the course of these three wars. Because Germany played a central role in these conflicts, the political and economic ambitions of its changing governments had international ramifications. At the same time, focusing on changing methods of cooking, shopping, and eating reveals the politics that shape everyday life, especially women's daily activities. Each chapter focuses on a specific
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Manseau, Marc W., and Jay Crosby. First Episode Psychosis. Edited by Hunter L. McQuistion. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190610999.003.0012.

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Engaging people experiencing a first episode of psychosis (FEP) in treatment is a priority. The duration of untreated psychosis (DUP) is the period of time between the onset of the FEP and the initiation of adequate treatment; longer DUP is associated with negative outcomes. Coordinated specialty care (CSC) is an evidence-based model that uses a team-based, multidisciplinary approach to engage people early in their psychotic illness in order to improve long-term psychosocial functioning and treatment outcomes. Best practices within CSC include assertive outreach, prescribing of low-dose antips
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Carberry, George, and Michael Brunner. Optimal Technique for Catheterizing the Pulmonary Arteries Without Dedicated Pulmonary Catheters. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0040.

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With the emergence of high-resolution computed tomography angiography, the number of transcatheter pulmonary arteriograms being performed has steeply declined. For this reason, many interventional departments no longer stock dedicated pulmonary artery catheters such as the pre-shaped 7 Fr Grollman catheter for a femoral vein approach. Interventionalists are therefore required to improvise with catheters that are available on hand. Transcatheter pulmonary arteriography may be indicated when dedicated pulmonary artery catheters are not available for use. In this chapter, a step-by-step approach
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Foltz, Jonathan. Fables of Detachment. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190676490.003.0002.

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This chapter outlines the way that film shaped key modernist debates about aesthetic form and the elevation of literature as a form of art. It draws on a range of contemporaneous theories of aesthetic form—from those of Roger Fry and Clive Bell to those of Vernon Lee, José Ortega y Gasset, I. A. Richards, and William Empson—and suggests that critics have failed adequately to credit the historical anxiety about media and mediation implicit in modernist constructions of autonomy. The desire to distinguish the purity of artistic form from ordinary modes of lived perception frequently led theorist
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Rosberger, Zeev, Sylvie Aubin, Barry D. Bultz, and Peter Chan. Communication and cancer-related infertility. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780198736134.003.0042.

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Cancer and cancer therapies (e.g. surgery, chemotherapy, radiation) may have a significant impact on fertility for both young men and women, resulting in distress regarding future parenting options. Fertility preservation (FP) is available through sperm cryopreservation and for women through oocyte or embryo cryopreservation. While normal fertility will occur after treatment for many patients in the survivorship phase, assisted reproductive therapy (ART) may be the only option for some. Because of this uncertainty, healthcare providers must discuss this challenge immediately after diagnosis to
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Choi, Jinhee. Ozuesque as a Sensibility. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190254971.003.0006.

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This chapter considers “Ozuesque” as an individual sensibility that could be rooted in and extrapolated from the thematic and stylistic traditions of both Japan and Hollywood. Ozu’s austere yet ludic constitution comprises his distinctive sensibility that is rarely emulated by any other director. In order to delineate Ozu’s aesthetic sensibility, the chapter turns to the conception of sensibility advanced by art historian Roger Fry, who argues for a need to distinguish between sensibility in design and the sensibility in texture, the latter of which he calls “surface sensibility.” Such a disti
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Book chapters on the topic "FRP shapes"

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Yan, Zihan, Chris P. Pantelides, and Jeffrey B. Duffin. "Concrete Column Shape Modification with FRP and Expansive Cement Concrete." In Advances in FRP Composites in Civil Engineering. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17487-2_181.

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Blachut, J. "Shape Optimization of FRP Dome Closures under Buckling Constraints." In Lecture Notes in Engineering. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84397-6_15.

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Khan, A. A. R., and Tehmina Ayub. "Effectiveness of U-Shaped CFRP Wraps as End Anchorages in Predominant Flexure and Shear Region." In Advances in FRP Composites in Civil Engineering. Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-17487-2_115.

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Ruotsalainen, Pasi, Petter Kroneld, Kalervo Nevala, Timo Brander, Tomi Lindroos, and Merja Sippola. "Shape Control of a FRP Airfoil Structure Using SMA-Actuators and Optical Fiber Sensors." In Solid State Phenomena. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-60-4.196.

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Warren, Chris, Chris Niezrecki, and Peter Avitabile. "FRF Measurements and Mode Shapes Determined Using Image-based 3D Point-tracking." In Conference Proceedings of the Society for Experimental Mechanics Series. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-9299-4_20.

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Rossi, Luisa. "Raccontare, raccontarsi. Massimo Quaini fra biografia ed ‘egogeografia’." In Il pensiero critico fra geografia e scienza del territorio. Firenze University Press, 2021. http://dx.doi.org/10.36253/978-88-5518-322-2.23.

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Intertwining biographical method and autobiography. Massimo Quaini had shown much interest in the ‘egogeography’ genre, practiced by different French geographers. The work traces back, on the basis of published and unpublished writings, some significant aspect of the intellectual personality of the Italian geographer. In particular, passages are presented in which he recalls his scientific and professional training and some letters that account for the highly critical positioning towards academic power, against the management of competitions based on personal relationships rather than on scientific merits (to the detriment of the discipline itself). Some original documents testify the interest in history and philosophy and the acceptance of historical materialism that has shaped his youth work and, more generally, founded his interpretation of geographical reality.
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de Marcos, Valeria. "Massimo Quaini e la geografia di avanguardia: dal Marxismo e geografia all’Anarchismo e geografia." In Il pensiero critico fra geografia e scienza del territorio. Firenze University Press, 2021. http://dx.doi.org/10.36253/978-88-5518-322-2.05.

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Trying to understand the world to transform it, Massimo Quaini has introduced new methodological research approaches, giving shape to a geography focused on the real problems of his time. His most translated book, Marxism and geography (1974), has influenced on generations of geographers around the world. However, Quaini went further and, in his scientific life, approached the reading of Elisée Reclus and his anarchist geography. This article highlights the contributions of the most rebellious Italian geographer of his time, Professor Massimo Quaini.
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Liu, Shuting, Yingguang Li, Yingxiang Shen, and Yee Mey Goh. "A Multi-Zoned Self-Resistance Electric Heating Method for Curing Irregular Fiber Reinforced Composite Parts." In Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210028.

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Fibre Reinforced Polymers (FRP) have been widely applied in various industries due to their outstanding properties. As a promising curing technology for FRP parts, the self-resistance electric (SRE) heating method has attracted plenty of attention. However, it is difficult for the SRE heating method to uniformly cure the FRP parts with irregular structures. In this paper, a multi-zoned SRE heating method is proposed, in which the FRP part is divided into several heating zones and the temperature of each zone is regulated independently. A multi-channel electrical voltage control system is developed to realise the multi-zoned SRE heating of a wing-shaped FRP part, in which a rapid zone-based temperature control responsiveness is achieved, and the maximum temperature difference is reduced from 60 °C to less than 10 °C, reaching 2.5 °C at its best. This work presents an alternative for the high efficiency and energy-saving curing process of FRP parts.
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Varma, Gaurav, and Rishabh Kumar Baudh. "Rhombus-Shaped Cross-Slot and Notched Loaded Microstrip Patch Antenna." In Design and Optimization of Sensors and Antennas for Wearable Devices. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9683-7.ch009.

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The aim is to design a Rhombus microstrip patch antenna. The antenna operates at FL=1.447 GHz to FH=2.382 GHz frequency for wireless local area network (WLAN). This antenna operates at f=1.914 GHz resonant frequency. In microstrip patch antenna, many types of shapes like circular, triangular, rectangular, square, ring shape, etc. are used, but in this design a rectangular shape is used. In proposed antenna, the accuracy and efficiency are increased. Integral equation three-dimensional (3D) software (IE3D) is used for the optimize of the rhombus cross-slotted antenna design. The IE3D uses a full wave method of moment simulator. This antenna fabricated on FR4 glass epoxy double-sided copper dielectric material with relative permittivity of ∈ =4.4, thickness h= 1.60mm, and loss tangent is 0.013.
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Watanabe, T., T. Kishima, and S. Meiarashi. "Bending properties of secondary bonded pultruded I-shaped FRP beams." In FRP Composites in Civil Engineering - CICE 2004. Taylor & Francis, 2004. http://dx.doi.org/10.1201/9780203970850.ch94.

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Conference papers on the topic "FRP shapes"

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Lesko, John J., Michael D. Hayes, Timothy J. Schniepp, and Scott W. Case. "Characterization and Durability of FRP Structural Shapes and Materials." In International Workshop on Composites in Construction. American Society of Civil Engineers, 2001. http://dx.doi.org/10.1061/40596(264)13.

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Charest, John A. "Composite Materials for Repair of Pressure Boundary and Structural Components." In ASME 2009 Power Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/power2009-81022.

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Deterioration of components and structures at power generating facilities has caused unscheduled plant outages, personnel safety concerns, and significant impact on operating budgets. However, new technology is now available that can increase the usable life of components and structures, while significantly reducing the economic burden normally associated with repair or replacement options. This technology, known as “Fiber Reinforced Polymers” or FRP, primarily utilizes carbon fibers and high strength epoxy resins to restore or enhance the structural and or pressure boundary capacity of plant
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Charest, John A., and Sarah Witt. "Design of Composite Rehabilitation Technologies for Power Generation Facilities." In International Joint Power Generation Conference collocated with TurboExpo 2003. ASMEDC, 2003. http://dx.doi.org/10.1115/ijpgc2003-40062.

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Deterioration of components and structures at power generating facilities has caused unscheduled plant outages, personnel safety concerns, and significant impact on operating budgets. However, a new technology is now available that can increase the usable life of components and structures, while significantly reducing the economic burden normally associated with repair or replacement options. This technology, known as “Fiber Reinforced Polymers” or FRP, utilizes carbon fibers and high strength epoxy resins to restore or enhance the structural and or pressure boundary capacity of plant equipmen
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Xiang, Sherry, Peimin Cao, Richard Erwin, and Steve Kibbee. "OTEC Cold Water Pipe Global Dynamic Design for Ship-Shaped Vessels." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10927.

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Ocean Thermal Energy Conversion (OTEC) technology has been considered as a renewable power generation for the tropical oceans where a thermal gradient from subsea to surface are higher than 20°C since 1980. In 2009, the OTEC technical readiness report has identified that semi-submersible, ship-shaped vessel and spar are most feasible to OTEC application. All three are technically mature and well-established floating facilities and have been widely manufactured and operated in offshore industry all over the world. A pilot OTEC development, led by Lockheed Martin (LM) Industry Team, has configur
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Daghash, Sherif M., and Osman E. Ozbulut. "Superelastic Shape Memory Alloy Fiber-Reinforced Polymer Composites." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9174.

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Fiber reinforced polymer (FRP) composites have been increasingly used in engineering applications due to their lightweights, high strength, and high corrosion resistance. However, the conventional FRPs exhibits brittle failure, low toughness, limited fatigue strength, and relatively low ultimate tensile strains. Shape memory alloys (SMAs) are a class of metallic alloys that can recover large strains upon load removal with minimal residual deformations. Besides their ability to recover large deformations, SMAs possess excellent corrosion resistance, good energy dissipation capacity, and high fa
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Nissle, Sebastian, Moritz Hübler, Martin Gurka, Sebastian Schmeer, and Nikolai Voll. "Integration of Shape Memory Alloy Wires in Fiber Reinforced Polymers for Endless Crash Absorber Structures." In ASME 2014 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/smasis2014-7467.

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Today in most cases crash absorber elements are made of metals. Those materials absorb the energy during a crash event by ductile plastification, as e.g. by buckling. Fiber reinforced polymers (FRP) offer due to their heterogenic structure several failure mechanisms for energy absorption under compressive load, such as fiber-break, matrix-break, delamination, fiber pull-out, fiber-matrix-interphase failure and friction processes. This in combination with the low density leads to significantly better specific energy absorption of FRP absorbers (50 J/g to 200 J/g FRP, 20 J/g steel, 40 J/g alumin
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Risso, Giada, Maria Sakovsky, and Paolo Ermanni. "Highly multi-stable FRP grids for shape adaptation." In AIAA Scitech 2021 Forum. American Institute of Aeronautics and Astronautics, 2021. http://dx.doi.org/10.2514/6.2021-1493.

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Kikuchi, Tetsuo, Takuji Koyanagi, Hiroyuki Hamada, et al. "Biomechanics Investigation of Skillful Technician in Hand Lay Up Fabrication Method." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86270.

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Hand lay-up is one of methods for FRP molding and it is the most traditional and common molding method that can deal with various shapes according to workmen skill. However, the quality of the composites depends on the techniques of workmen and the judgment with hand lay-up technique is too difficult, because it has not clarified that the difference of that techniques has how influence with manufactured products. In this study, motion analysis was used to compare the difference between hand lay-up techniques by expert and non-expert. Expert’s carrier of hand lay-up was 25 years and non-expert’
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Banazadeh-Neishabouri, Nafiseh, and Siamack A. Shirazi. "Erosive Wear Behavior of Fiberglass Reinforced Plastic Composite and Polyethylene." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-5537.

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Abstract Effects of particle velocity, impact angle and particle size and shape on erosive behavior of Fiberglass Reinforced Plastic (FRP) and Polyethylene were investigated. Experiments were carried out with two particle velocities (18 and 32 m/s) and different impact angles ranging from 15 to 90 degrees. Silica sands with sizes of 75, 150 and 300 μm was utilized as erodent to study effects of sand shape and size. Results revealed erosion data of FRP and Polyethylene are similar to ductile materials as they display maximum erosion ratio at 30 degrees impact angle. However, Polyethylene showed
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Kobayashi, Nobuyuki, Yoshimasa Komaki, Takamune Irie, and Masahiro Watanabe. "Effect of Tapered Guide Shape on Spaghetti Problems." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48308.

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The dynamic behavior of a flexible beam that is pulled into an opening in an elastic wall with a constant velocity is studied using a mechanical model and experiments. We focus particularly on the effects of the tapered guide that is provided in front of the inlet of the wall gap on the beam behavior. We developed a finite-segment-based model for flexibility of the beam, and the nonlinear spring and damper are introduced for representing the stiffness of the inlet of the elastic wall gap and the tapered guide. Experimental investigations are conducted with FRP thin beam as the Spaghetti, and c
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Reports on the topic "FRP shapes"

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Artana, Daniel, Cynthia Moskovits, Jorge Puig, and Ivana Templado. Fiscal Rules and the Behavior of Public Investment in Latin America and the Caribbean: Towards Growth-Friendly Fiscal Policy?: The case of Argentina. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003057.

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This paper analyzes the implementation of Fiscal Rules (FR) in Argentina. Several clear attempts to establish a FR at the national level are identified. The analysis suggests that the environment matters. The only FR that was binding in the period was approved in 2004 during an economic boom, with the country under a program with the IMF and with high political support. During the world financial crisis the expenditure ceilings were relaxed, however, and current primary expenditures soared. Simulations show that a countercyclical fund could have been implemented even after reducing highly dist
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Carlson, Lisa. Marriage in the U.S.: Twenty-five Years of Change, 1995-2020. National Center for Family and Marriage Research, 2020. http://dx.doi.org/10.25035/ncfmr/fp-20-29.

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The marriage rate in the U.S. has fallen over the last 25 years, while the rate of premarital cohabitation has increased (Cherlin 2020; FP-17-05). In 1995, the marriage rate was about 45 per 1,000 women, falling to about 31 per 1,000 women by 2020 (FP-20-21). Using data from the 1995 and 2020 Current Population Survey, this family profile investigates 25 years of change in marriage among women aged 18-49. Updating FP-15-17, the profile also examines variation in the share of women ever married by age, race/ethnicity, and educational attainment.
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