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Rozprawy doktorskie na temat „Tensile Reinforcement”

Autor: Grafiati

Data publikacji: 6 września 2023

Data aktualizacji: 26 lipca 2025

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1

Demerdash, Magdy Adel. "An experimental study of piled embankments incorporating geosynthetic basal reinforcement." Thesis, University of Newcastle Upon Tyne, 1996. http://hdl.handle.net/10443/309.

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Basal reinforcement along with individually capped foundation piles is used in cases where both embankment stability and surface settlement control are required. The technique has been utilised to prevent differential settlement between new embankment construction over soft soil and an existing embankment where settlement has ceased. The piled embankment solution is also adopted to prevent differential settlement between an approach embankment constructed over soft soil and the piled foundations of a bridge abutment. The study was conducted to investigate the behaviour of an idealised piled em

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2

Nokhasteh, Mohammad-Ali. "Corrosion damaged reinforced concrete beams with debonded tensile span reinforcement." Thesis, University College London (University of London), 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.294542.

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Ostrofsky, David. "Effects of corrosion on steel reinforcement." [Tampa, Fla.] : University of South Florida, 2007. http://purl.fcla.edu/usf/dc/et/SFE0002258.

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Bertolla, Luca. "Mechanical Reinforcement of Bioglass®-Based Scaffolds." Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-234586.

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Bioactive glasses exhibit unique characteristics as a material for bone tissue engineering. Unfortunately, their extensive application for the repair of load-bearing bone defects is still limited by low mechanical strength and fracture toughness. The main aim of this work was two-fold: the reinforcement of brittle Bioglass®-based porous scaffolds and the production of bulk Bioglass® samples exhibiting enhanced mechanical properties. For the first task, scaffolds were coated by composite coating constituted by polyvinyl alcohol (PVA) and microfibrillated cellulose (MFC). The addition of PVA/MFC

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Peled, Alva, Zvi Cohen, Steffen Janetzko, and Thomas Gries. "Hybrid Fabrics as Cement Matrix Reinforcement." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-77694.

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Hybrid systems with two or more fiber materials were used to combine the benefits of each fiber into a single composite product. Strength and toughness optimization of hybrid thin sheet composites has been studied extensively using combination of different fiber types with low and high modulus of elasticity. Hybrid reinforcement is more significant when the reinforcing structure is in fabric geometry. Fabric structure provides full control on the exact location of each yarn and its orientation in the composite during production, thus maximizes the reinforcing efficiency. A high-strength, high-

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6

DeYoung, Kenneth Lee. "Flexure shear response in fatigue of fiber reinforced concrete beams with FRP tensile reinforcement." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4894.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on March 24, 2008) Includes bibliographical references.

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Brown, Adrian D. "The use of carbon fibre reinforced cement as tensile reinforcement for concrete structural elements." Thesis, University of Bath, 1987. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287533.

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Suncar, Oscar Ernesto. "Pullout and Tensile Behavior of Crimped Steel Reinforcement for Mechanically Stabilized Earth (MSE) Walls." DigitalCommons@USU, 2010. https://digitalcommons.usu.edu/etd/566.

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Many research studies made on hundreds of MSE walls have shown that in order to get lower values of lateral earth pressure coefficients from an active condition on the backfill soil, thus lower exerted loads and stresses on the reinforcement, the wall needs to yield. This is typical of extensible polymer-based wall systems, such as geosynthetics. Steel systems, on the other hand, are very rigid and do not allow enough deformation on the wall to generate the active condition. For this research, steel reinforcement for MSE walls that behaves similar to geosynthetics was developed. This was done

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9

Węcławski, Bartosz Tomasz. "The potential of bast natural fibres as reinforcement for polymeric composite materials in building applications." Thesis, Brunel University, 2015. http://bura.brunel.ac.uk/handle/2438/11670.

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Natural fibre composites (NFCs), which are polymers reinforced with cellulosic bast fibres, have the potential to be applied into a range of building products. They are seen as an alternative to glass fibre reinforced plastics (GFRP) in some applications, because of natural fibres (NF) relatively high strength and low density. Moreover, natural fibres have a set of beneficial traits, such as thermal insulation, thermal stability, biodegradability, and are inherently renewable. Those characteristics are of importance when NF are used as reinforcements in polymer composites, but developments in

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10

Gong, Ting. "Tensile behavior of high-performance cement-based composites with hybrid reinforcement subjected to quasi-static and impact loading." Technische Universität Dresden, 2020. https://tud.qucosa.de/id/qucosa%3A73914.

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Hochduktile Betone (Engl.: Strain-Hardening Cement-based Composites – SHCC) und Textilbetone (engl.: Textile Reinforced Concrete – TRC) sind zwei neuartige Faserbetone, die ein duktiles und dehnungsverfestigendes Zugverhalten aufweisen. SHCC bestehen aus feinkörnigen Zementmatrizen und kurzen Hochleistungspolymerfasern, während TRC eine Kombination aus feinkörnigen Zementmatrizen und kontinuierlichen zwei- oder dreidimensionalen Textilschichten darstellt. Letztere bestehen aus Multifilamentgarnen aus Kohlenstoff, alkalibeständigem Glas oder Polymerfasern. Die hohe elastische Verformbarkeit bei

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11

Godbole, Chinmay. "The Influence of Reinforcement on Microstructure, Hardness, Tensile Deformation, Cyclic Fatigue and Final Fracture behavior of two Magnesium Alloys." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1321633235.

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DeFreese, James Michael. "Glass Fiber Reinforced Polymer Bars as the Top Mat Reinforcement for Bridge Decks." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/36289.

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The primary objective of this research was to experimentally investigate material and bond properties of three different types of fiber reinforced polymer (FRP) bars, and determine their effect on the design of a bridge deck using FRP bars as the top mat of reinforcement. The properties evaluated include the tensile strength, modulus of elasticity, bond behavior, and maximum bond stress. The experimental program included 47 tensile tests and 42 beam end bond tests performed with FRP bars. Tensile strength of the bars from the tensile testing ranged from 529 MPa to 859 MPa. The average modu

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Vergani, C. "SPATIAL AND TEMPORAL DYNAMICS OF ROOT REINFORCEMENT IN ALPINE FORESTS." Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/232578.

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Protection forests represent an effective tool to prevent and mitigate hydrogeological instabilities and are object of renewed interest in the European Alps, where there is a long history of cohabitation between people and natural hazards. The quantification of the effects of forests against the different types of natural hazards is however still a challenge, and represents a key step for the implementation of an integrated protection strategy able to combine engineering structures with forests. Forests provide different protection mechanisms depending on the type of natural hazards we conside

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Barnes, Glen James. "An experimental investigation on the properties and performance of geogrid and geocomposite as subgrade reinforcement in granular pavements." Thesis, Queensland University of Technology, 2019. https://eprints.qut.edu.au/129219/2/Glen%20Barnes%20Thesis.pdf.

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This experimental study focuses on developing a new laboratory testing model that expedites the performance verification process for future geosynthetic products, for use in foundation stabilisation. Through a series of tensile and pullout tests on geosynthetic and CBR tests on geosynthetic reinforced subgrade using a bespoke CBR mould, this research highlights the benefits of including geosynthetics in granular pavement design. Further research will allow future road pavement designs in Australia to include geosynthetics as part of design specifications and reduce the environmental impact of

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15

Mondo, Eleonora. "Shear Capacity of Steel Fibre Reinforced Concrete Beams without Conventional Shear Reinforcement." Thesis, KTH, Bro- och stålbyggnad, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41016.

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While the increase in shear strength of Steel Fibre Reinforced Concrete (SFRC) is well recognized, it has yet to be found common application of this material in building structures and there is no existing national standard that treats SFRC in a systematic manner. The aim of the diploma work is to investigate the shear strength of fibre reinforced concrete beams and the available test data and analyse the latter against the mostpromising equations available in the literature. The equations investigated are:Narayanan and Darwish’s formula, the German, the RILEM and the Italian guidelines. Thirt

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16

Scheidt, Matthew. "Lightweight Aluminum Structures with EmbeddedReinforcement Fibers via Ultrasonic Additive Manufacturing." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1469112453.

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17

Tazaly, Zeinab. "Punching Shear Capacity of Fibre Reinforced Concrete Slabs with Conventional Reinforcement : Computational analysis of punching models." Thesis, KTH, Bro- och stålbyggnad, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-118825.

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Steel fibre reinforced concrete is not a novel concept, it has been around since the mid-1900s, but despite its great success in shotcrete-reinforced rock walls and industrial floors it has not made any impact on either beams or elevated slab. Apparently, the absence of standards is the main reason. However, the combination of steel fibre reinforced concrete and conventional reinforcement has in many researches shown to emphasize good bearing capacrty. In this thesis, two punching shear capacity models have been analysed and adapted on 136 test slabs perfomred by previous researchers. The firs

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18

Luna, Andrew I. "Lateral Resistance of H-Piles and Square Piles Behind an MSE Wall with Ribbed Strip and Welded Wire Reinforcements." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/6346.

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Bridges often use pile foundations behind MSE walls to help resist lateral loading from seismic and thermal expansion and contraction loads. Overdesign of pile spacing and sizes occur owing to a lack of design code guidance for piles behind an MSE wall. However, space constraints necessitate the installation of piles near the wall. Full scale lateral load tests were conducted on piles behind an MSE wall. This study involves the testing of four HP12X74 H-piles and four HSS12X12X5/16 square piles. The H-piles were tested with ribbed strip soil reinforcement at a wall height of 15 feet, and the s

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19

Karlsson, Hanna. "Strength Properties of Paper produced from Softwood Kraft Pulp : Pulp Mixture, Reinforcement and Sheet Stratification." Doctoral thesis, Karlstads universitet, Avdelningen för kemiteknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-5612.

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For paper producers, an understanding of the development of strength properties in the paper is of uttermost importance. Strong papers are important operators both in the traditional paper industry as well as in new fields of application, such as fibre-based packaging, furniture and light-weight building material. In the work reported in this thesis, three approaches to increasing paper strength were addressed: mixing different pulps, multilayering and reinforcement with man-made fibres. In specific: The effects of mixing Swedish softwood kraft pulp with southern pine or with abaca (Musa Texti

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Gong, Ting [Verfasser], Viktor [Gutachter] Mechtcherine, Viktor [Akademischer Betreuer] Mechtcherine, Christina [Gutachter] Scheffler, and Christopher Kin Ying [Gutachter] Leung. "Tensile behavior of high-performance cement-based composites with hybrid reinforcement subjected to quasi-static and impact loading / Ting Gong ; Gutachter: Viktor Mechtcherine, Christina Scheffler, Christopher Kin Ying Leung ; Betreuer: Viktor Mechtcherine." Dresden : Technische Universität Dresden, 2021. http://d-nb.info/1231917342/34.

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Baena, Muñoz Marta. "Study of bond behaviour between FRP reinforcement and concrete." Doctoral thesis, Universitat de Girona, 2011. http://hdl.handle.net/10803/7771.

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El uso de barras de materiales compuestos (FRP) se propone como una alternativa efectiva para las tradicionales estructuras de hormigón armadas con acero que sufren corrosión en ambientes agresivos. La aceptación de estos materiales en el mundo de la construcción está condicionada a la compresión de su comportamiento estructural. Este trabajo estudia el comportamiento adherente entre barras de FRP y hormigón mediante dos programas experimentales. El primero incluye la caracterización de la adherencia entre barras de FRP y hormigón mediante ensayos de pull-out y el segundo estudia el proceso de

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22

Cáceres, Alan Renato Estrada. "Caracterização geométrica e mecânica de macrofibras poliméricas." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/3/3146/tde-21062016-143713/.

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Uma grande diversidade de macrofibras poliméricas para reforço de concreto se encontram disponibilizadas hoje em dia. Por natureza estas fibras apresentam grande diversidade de características e propriedades. Estas variações afetam sua atuação como reforço no concreto. No entanto, não há normas brasileiras sobre o assunto e as metodologias de caracterização de normas estrangeiras apresentam divergências. Algumas normas definem que a caracterização do comportamento mecânico deva ser feita nos fios originais e outras que se devam utilizar métodos definidos para caracterização de materiais metáli

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Hill, Meagan E. "Adding Value to Recycled Polyethylene Through the Addition of Multi-Scale Reinforcements." University of Akron / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=akron1125419618.

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Hosseini, Rahimeh, and Anita Nolsjö. "The effect of reinforcement configuration on crack widths in concrete deep beams." Thesis, KTH, Betongbyggnad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208709.

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Reinforced concrete deep beams are known for applications in tall buildings, foundations and offshore structures. Deep beams are structural elements with length and height within the same magnitude and have significantly smaller thickness compared to a conventional concrete beam. Deep beams in bending have non-linear strain distribution compared to conventional beams where Bernoulli’s hypothesis is valid. Crack formation is a common problem in reinforced concrete structures, which reduce the durability of the structure. Once the concrete cracks the tension reinforcement carry the tensile force

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Faleiros, Junior José Herbet. "Procedimentos de cálculo, verificação e detalhamento de armaduras longitudinais na seção transversal em elementos protendidos." Universidade Federal de São Carlos, 2010. https://repositorio.ufscar.br/handle/ufscar/4654.

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Made available in DSpace on 2016-06-02T20:09:13Z (GMT). No. of bitstreams: 1 3262.pdf: 8603825 bytes, checksum: 51c881687adbb3d6b1750785d0cfee94 (MD5) Previous issue date: 2010-08-24<br>The following paper presents methods of calculation, verification and detailing of prestressed longitudinal reinforcement in cross sections of elements subjected to bending conceptualizing prestressing systems and its constituent elements, as well as the development of practical examples, calculated and detailed in a didactic manner, seeking an easy understanding and learning. The present study chooses to cal

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Arrais, Freire Reuber. "Use of fiberglass geogrids to the reinforcement of bituminous mixtures layers." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSET009.

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Cette thèse de doctorat a été développée au Laboratoire de Tribologie et Dynamique des Systèmes (LTDS) de l’Ecole Nationale des Travaux Publics de l’Etat (ENTPE), France. Il faisait partie d'un partenariat entre les sociétés françaises Afitexinov et EIFFAGE. Il a également bénéficié du soutien du programme brésilien de science sans frontières du CNPq. L'objectif de cette étude est de contribuer au développement de nouveaux géosynthétiques structurés pour le renforcement des couches bitumineuses des chaussées, ainsi que de méthodes de dimensionnement transférables vers l’ingénierie. En plus de

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Choo, Ching Chiaw. "Investigation of rectangular concrete columns reinforced or prestressed with fiber reinforced polymer (FRP) bars or tendons." Lexington, Ky. : [University of Kentucky Libraries], 2005. http://lib.uky.edu/ETD/ukycien2005d00258/ChooPhDDissertation%5FFinal.pdf.

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Thesis (Ph. D.)--University of Kentucky, 2005.<br>Title from document title page (viewed on November 7, 2005). Document formatted into pages; contains xi, 139 p. : ill. Includes abstract and vita. Includes bibliographical references (p. 130-139).

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Chang, Paul, and mrpc@tpg com au. "The Mechanical Properties and Failure Mechanisms of Z-Pinned Composites." RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20070111.145714.

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Z-pinning is a through-thickness reinforcement technology for polymer composite materials that has been developed and commercialised over the past fifteen years. The through-thickness reinforcement of composites with thin metallic or fibrous pins aids in suppressing delamination, improving impact damage tolerance and increasing joint strength. Z-pins are applied to the composite part during its manufacture. Pins are embedded within sheets of foam and placed over the unconsolidated part. Subsequently, the foam is compacted and the pins transferred into the part, which is usually an uncured pr

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Danielius, Giedrius. "Tempiamųjų gelžbetoninių elementų tempiamojo sustandėjimo eksperimentiniai ir teoriniai tyrimai." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140613_123314-48778.

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Dėl sąveikos su armatūros strypais iš esmės pakinta tempiamojo betono fizikinis įtempių ir deformacijų būvis, todėl taikyti vientiso tempiamojo betono įtempių ir deformacijų diagramas negalima. Armuotojo betono atveju šios diagramos yra pakeičiamos vadinamosiomis tempiamojo sustandėjimo įtempių ir deformacijų diagramomis, tačiau iki šiol nėra priimta bendro metodo, kaip jas reikėtų apskaičiuoti. Baigiamojo magistro darbo tikslas – pasiūlyti tempiamojo betono įtempių ir deformacijų fizikinį modelį. Baigiamajame darbe atlikta kritinė literatūros šaltinių betono tempiamojo sustandėjimo tematika a

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Ruellan, Benoît. "Fatigue of natural rubber at different temperatures : reinforcement due to strain-induced crystallization and modelling the non-linear damage evolution." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S058.

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Cette thèse de doctorat s'intéresse au comportement en fatigue du caoutchouc naturel (CN). Les CN présentent des propriétés physiques extraordinaires, typiquement l'habilité de cristalliser sous tension qui est responsable de leur haute résistance en fatigue. La cristallisation sous tension (CST, en français) est un phénomène hautement thermosensible. Mieux comprendre comment la CST renforce la durée de vie et comment la température altère cette propriété est donc un point clef afin d'améliorer la durabilité des élastomères. La présente thèse est divisée en trois parties. La première est dédié

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Niedoba, Jakub. "Experimentální a numerická analýza zesílení železobetonových prvků." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2021. http://www.nusl.cz/ntk/nusl-433485.

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This master‘s thesis deals with the behaviour of strengthened reinforced concrete beams. The aim was to evaluate different types of strengthening in comparison not only with each other, but also with the reference beam. Three reinforced concrete beams were fabricated for the purpose of the thesis. The first served as a reference beam, the second was strengthened with carbon lamella glued to the lower edge of the reinforced concrete beam, and the last one was strengthened with unbonded post-tensioning system. Subsequently, they were all loaded by a four-point bending. An evaluation was then car

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Weber, Jozef. "Tribuna fotbalového stadionu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265685.

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The aim of the diploma thesis was to design the precast reinforced concrete prefabricated structures of the football tribune. It was modernized sports center in Brno. According to the investor was determined the shape of the football tribune. It was compiled the design documentation. For the calculation of inner strengths was used the software Dlubal RFEM, which operates on the Finite Element Method - FEM. All elements have been designed for ultimate and serviceability limit state. My thesis contains textual part, inner strengths, static calculations, drawing documentation of composition of st

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Sachr, Jiří. "Asfaltové vrstvy s výztužnými sklovláknitými geomřížemi." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392053.

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This diploma thesis deals with the use of glass fiber geogrids and geocomposites in road construction. The reinforcement elements are inserted between the wearing and binder asphalt layer. This diploma thesis summarizes the knowledge connected with reinforcing of asphalt roads using glass fiber. It examines the effect of reinforcing fiberglass elements on the resistance of asphalt layers loaded with traffic. At the same time, it deals with the application of a various amount of tack coat and subsequent behavior of the asphalt layers. In this work, laboratory tests of bond strength between laye

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Jesse, Dirk. "Tragverhalten von textilbewehrtem Beton unter zweiaxialer Zugbeanspruchung." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-69387.

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Das Trag- und Verbundverhalten textiler Bewehrungen wurde in den vergangen Jahren umfassend experimentell untersucht. Die dabei gewonnenen Erkenntnisse stützen sich jedoch fast ausschließlich auf einaxiale Beanspruchungszustände. Grundsätzlich können aus dem Vergleich von Versuchen an Rovings und an textilen Bewehrungsstrukturen Rückschlüsse auf den Einfluss der Quer- und Stützfäden und der verschiedenen Bindungstechniken auf das einaxiale Tragverhalten von Textilbeton getroffen werden. Offen bleibt jedoch, inwieweit sich die gefundenen Gesetzmäßigkeiten auf mehraxiale Beanspruchungssituatione

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Čípek, Luboš. "Most přes řeku Jevišovku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-412918.

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This thesis focuses on design and assessment of load-bearing construction of a bridge over Jevišovka river at road I/53 near Lechovice. The bridge was designed as a trapezoidal cross-section slab. This solution was chosen from three sketch eventualities. The work includes an implementing engineering report, construction process report and report about static-analysis, the attachments include the sketch, vizualization, drawings, component drawing, construction process and the static-analysis of this structure. Computing of internal forces was performed by computational software Scia Engineer 17

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Ben, Ramdane Camélia. "Etude et modélisation du comportement mécanique de CMC oxyde/oxyde." Thesis, Bordeaux, 2014. http://www.theses.fr/2014BORD0077/document.

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Les CMC oxyde/oxyde sont de bons candidats pour des applications thermostructurales. Le comportement mécanique et les mécanismes d’endommagement de deux composites alumine/alumine à renforts tissés bi- et tridimensionnels ont été étudiés et comparés. La microstructure de ces CMC à matrice faible a été caractérisée à partir de porosimétrie et de CND, tel que thermographie IR, scan ultrasonore et tomographie X, ce qui a permis de mettre en évidence la présence de défauts initiaux. Le comportement mécanique en traction, ainsi qu’en compression dansle cas du CMC à renfort bidimensionnel, dans la d

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Štramberský, Martin. "Návrh předpjaté nádrže." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226967.

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The matter of this diploma thesis is a static storage tank for petroleum substances, the study of a solution for appropriate shape of shell and its effort to dihedral for roofing, and the study of effect of the storage of inner roofs walls of the tank to the size of the internal forces. The internal walls are carried out by the method of finite elements in the engineering program Scia Engineering 2013 and on the basis of it, designing of the framing sections of the tank. There is a calculation part of the lower horizontal bias wreaths of the shell and internal supporting wall. All the componen

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TSAI, MIN-HSIU, and 蔡旻修. "Effects of Reinforcement Length on Deformation Characteristics and Reinforcement Tensile Force of Geosynthetics-Reinforced Soil Structures." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/734488.

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碩士<br>國立雲林科技大學<br>營建工程系<br>107<br>In this study, a series of plane strain model tests on wrap-faced geogrid-reinforced soil (GRS) retaining wall were conducted to investigate the effects of reinforcement length on its deformation characteristics and the mobilized reinforcement tensile force. Two types of coarse-grained soils, namely, sand and gravel, were adopted as the backfills of GRS retaining wall. A PET geogrid with its nominal strength 150 kN × 30 kN was used. The dimensions of the model wall were 172.6 cm (length) × 80 cm (width) × 112 cm (height). A strip footing of 30 cm wide, having

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PAMPANG, JUSIEANDRA PRIBADI, and 朱文漢. "Predicting Tensile Loads in Reinforcement for Geosynthetic-Reinforced Soil Structures by Evolutionary Metaheuristic Intelligence Model." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/17634511461913918450.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>102<br>Accurately estimating reinforcement tensile loads is crucial for evaluating the internal stabilities of geosynthetic-reinforced soil (GRS) structures. This study developed an evolutionary metaheuristic intelligence model for efficiently and accurately estimating reinforcement loads. The proposed model improves the prediction capability of the firefly algorithm (FA) by integrating intelligent components, namely chaotic maps, adaptive inertia weight, and Lévy flight. The enhanced FA is then used to optimize the hyperparameters for support vector regression (SVR)

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SINGH, VIBHU. "INVESTIGATIONS FOR ENHANCEMENT OF MECHANICAL PROPERTIES WITH REINFORCEMENT SIZE VARIATION IN METAL MATRIX COMPOSITES." Thesis, 2019. http://dspace.dtu.ac.in:8080/jspui/handle/repository/16726.

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Metal matrix composites are emanating as advance engineering and structural materials and their demands are continuously growing in various sectors with higher pace. Among all the metals matrix composite, aluminum matrix composite are coming out as a tough potential competitor for the conventional materials for having large number of applications in aerospace, manufacturing, transportation, defence, sports and count goes on. The driving force for the usage of AMC over other is due to its ductility, toughness, strength and being less expensive. In this investigation, AMC has been fabricated u

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Kuan, Chi-Tung, and 官己棟. "The Analysis for the Tensile Strength and the Vertical Structure Reinforcement of PC/ABS Blend Materials Used as Automotive Skin Panels." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/43846423874825485747.

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碩士<br>中原大學<br>機械工程研究所<br>96<br>PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene Copolymer) blend material, with advantages of light-weight and good sustenance under both heat and impact, has been widely applied in automobile, electronic technology, and defense industries. In this thesis, the study focuses on the application of the PC/ABS hive structure in building automobiles. Such PC/ABS hive structure can further reduce total construction weight of automobile to save energy. In this study, the CAD tool CATIA is applied to help the numerical analysis. The module Generative Structure Ana

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Manju, G. S. "Seismic response of Geocell Retaining walls." Thesis, 2018. http://etd.iisc.ac.in/handle/2005/4191.

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Use of tensile reinforcement for improving the seismic stability of retaining walls has gained considerable attention in recent times and has become a very common practice. Compared to planar geosynthetic materials, geocells offer higher restraint to the shear deformations in the soil due to their higher stiffness and strength. Also, the locking effect of geocells, which ensures the soil to be confined within the pockets, further provides better resistance to shear deformations, making them more suitable for retaining walls which can be subjected to seismic ground shaking conditions. Though

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Liu, Jing-Zhong, and 柳景仲. "THE SPLICE STRENGTHS OF REINFORCEMENT IN TENSION POST FIRE." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/32845008492211974095.

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碩士<br>國立臺灣科技大學<br>營建工程技術學系<br>83<br>This research is to investigate the residual bond strengths of tensile deformed bars post fire. This test program consists of three parts which are the beam tests in the fire, the static tests of beams and material tests. The main purpose of this tests is to investigate the degredation of bond strengths and flexural stiffnesses of the beams post fire. The test variables included the water-cementitious ratio, the amount of the transverse reinforcement in t

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Ju, Jin-Hung, and 朱敬寰. "THE SPLICE STRENGTHS OF REINFORCEMENT IN TENSION UNDER FIRE." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/66687561159784753074.

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碩士<br>國立臺灣科技大學<br>營建工程技術學系<br>83<br>This research is to investigate whether the splice strength conforming toACI 318-89 Code would survive the tests of the thermal and flexural loads simultaneously. The reinforced concrete beams with lap splices in the constant moment region were heated in the furnace by the BS 476 time-temperature curve. The residual strengths and the failure modes of the beams post fire are also reported. The test variables included the water-cementitious ratio, the amoun

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Deluce, Jordon Robert. "Cracking Behaviour of Steel Fibre Reinforced Concrete Containing Conventional Steel Reinforcement." Thesis, 2011. http://hdl.handle.net/1807/29523.

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It is well known that crack spacings and widths can be reduced with the addition of steel fibres to a concrete mix. However, test data for the tensile behaviour of steel fibre reinforced concrete members containing conventional steel reinforcement (R/FRC members) are scarce relative to those of reinforced concrete (RC) specimens and fibre reinforced concrete (FRC) specimens without reinforcing bars. In this research program, uniaxial tension tests were conducted on 12 RC and 48 R/FRC specimens in order to observe cracking and tension stiffening behaviour. The parameters under observation were

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Liau, Yi-Shin, and 廖奕信. "Finite Element Analysis of Fiber-Reinforced Isolators with Tension-only Reinforcements." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/xtuwk9.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>94<br>Not only does the laminated rubber isolator have the high vertical stiffness, high bending stiffness, but has the low lateral stiffness. As a result, it can extend the structural period and reduce the input lateral load. Generally, the reinforcing material for laminated rubber isolators is steel plates. In contrast to the steel-reinforced isolator, the fiber-reinforced isolator is significantly lighter, cheaper and easier in the manufacturing processes. This research mainly focuses on using the finite element method to analyze the infinite-strip-shaped fib

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Utomo, Panji, and 陳虎豪. "EVALUATION OF VARIOUS DESIGN METHODS FOR PREDICTING REINFORCEMENT TENSION WITHIN GEOSYNTHETIC-REINFORCED SOIL STRUCTURES." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/m4744y.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>99<br>Proper estimation of reinforcement tension is a key to evaluate the internal stabilities of Geosynthetic-Reinforced Soil (GRS) structures. Prediction methods for reinforcement tension within GRS structures in current practice can be categorized into two approaches: force-equilibrium-based approach (i.e. earth-pressure-based method and limit equilibrium method) and deformation-based approach (i.e. Kstiffness method and finite element method). Until today, the effects of these methods have not been extensively examined and compared yet. In this paper, each of met

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Noel, Martin. "Behaviour of Post-Tensioned Slab Bridges with FRP Reinforcement under Monotonic and Fatigue Loading." Thesis, 2013. http://hdl.handle.net/10012/7647.

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The introduction of fibre-reinforced polymers (FRPs) to the field of civil engineering has led to numerous research efforts focusing on a wide range of applications where properties such as high strength, light weight or corrosion resistance are desirable. In particular, FRP materials have been especially attractive for use as internal reinforcement in reinforced concrete (RC) structures exposed to aggressive environments due to the rapidly deteriorating infrastructure resulting from corrosion of conventional steel reinforcement. While FRPs have been successfully implemented in a variety of

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Jesse, Dirk. "Tragverhalten von textilbewehrtem Beton unter zweiaxialer Zugbeanspruchung: Bearing Behaviour of Textile Reinforced Concrete Under Biaxial Tension Loading." Doctoral thesis, 2010. https://tud.qucosa.de/id/qucosa%3A25591.

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Das Trag- und Verbundverhalten textiler Bewehrungen wurde in den vergangen Jahren umfassend experimentell untersucht. Die dabei gewonnenen Erkenntnisse stützen sich jedoch fast ausschließlich auf einaxiale Beanspruchungszustände. Grundsätzlich können aus dem Vergleich von Versuchen an Rovings und an textilen Bewehrungsstrukturen Rückschlüsse auf den Einfluss der Quer- und Stützfäden und der verschiedenen Bindungstechniken auf das einaxiale Tragverhalten von Textilbeton getroffen werden. Offen bleibt jedoch, inwieweit sich die gefundenen Gesetzmäßigkeiten auf mehraxiale Beanspruchungssituatione

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