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Journal articles on the topic 'Linear fiber-reinforced'

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1

Zhao, Jun, Li Jun Wang, and Dan Ying Gao. "Non-Linear FEM Analysis of Steel Fiber Reinforced Concrete Shearwall." Advanced Materials Research 163-167 (December 2010): 1551–54. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.1551.

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The numerical simulation by nonfinear finite element method(FEM) was adopted to analyze the behavior and the influences of the fraction of steel fiber by volume fraction and the strength of steel fiber reinforced concrete on the bearing capacity and the ductility of reinforced concrete shearwalls. The results show that with the increase of the fraction of steel fiber by volume fraction, the bearing capacity and ductility coefficient of steel fiber reinforced concrete shearwalls increase gradually. With the increase of the strength of steel fiber reinforced concrete, the bearing capacity and du
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2

Mailyan, Levon, Petr Shilov, and Aleksandr Shilov. "MECHANICAL TECHNOLOGY FOR CREATING DIRECTIONAL ORIENTATION OF FIBER IN LINEAR FIBROCONCRETE AND FIBERREINFORCED CONCRETE ELEMENTS." Construction and Architecture 10, no. 2 (2022): 1–5. http://dx.doi.org/10.29039/2308-0191-2022-10-2-1-5.

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Current trends in modern construction dictate the need to establish the possibility of developing a mechanical technology for the uniform distribution of fiber fibers in the body of linear fiber-reinforced concrete and fiber-reinforced concrete elements, which would ensure more efficient inclusion of the largest amount of fiber into the element due to its orientation along the tensile stresses acting in the structure. Current trends in modern construction dictate the need to establish the possibility of developing a mechanical technology for the uniform distribution of fiber fibers in the body
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3

Su, Hao Yang, Jin Yu Xu, Min Li, and Ying Li. "Energy-Absorption Property of Ceramic Fiber Reinforced Concrete." Advanced Materials Research 168-170 (December 2010): 1970–75. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.1970.

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Full-automatic concrete pressure machine and 100-mm-diameter split Hopkinson pressure bar (SHPB) apparatus were used to investigate quasi-static and dynamic energy absorption property of ceramic fiber reinforced concrete (CRFRC) subjected to various high strain rates, which is compared to carbon fiber reinforced concrete at the same volume fraction of 0.1%, 0.2% and 0.3%. And the absorbing mechanism of CRFRC is analyzed. The results show that the quasi-static energy-absorption property of CRFRC increases with the volume of ceramic fiber and the relation presents linear approximations; the spec
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4

Xia, Yuanyuan, and Guijun Xian. "Hybrid basalt/flax fibers reinforced polymer composites and their use in confinement of concrete cylinders." Advances in Structural Engineering 23, no. 5 (2019): 941–53. http://dx.doi.org/10.1177/1369433219886084.

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Flax fiber–reinforced polymer composites were determined to be effective in confinement of concrete cylinders. Flax fibers exhibit strong intrinsic hydrophilic properties and relatively inferior mechanical properties; therefore, combining them with mineral-based natural fiber (i.e. basalt fibers) was proposed. In the present study, unidirectional flax–basalt hybrid fiber reinforced polymer plates and tubes were prepared using a filament-winding process. The mechanical properties of the fiber-reinforced polymer plates and compressive properties of the concrete-filled fiber-reinforced polymer tu
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5

Plevkov, Vasiliy, Vyacheslav Belov, Igor Baldin, Andrey Nevskiy, Anatoliy Veselov, and Evgeniy Serov. "Diagram of Non-Linear Straining of Carbon-Fiber Reinforced Concrete at Static Effect." Materials Science Forum 871 (September 2016): 173–81. http://dx.doi.org/10.4028/www.scientific.net/msf.871.173.

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The article reflects the results of experimental studies of carbon-fiber reinforced concrete under compression and tension. Qualitative change of concrete strength and stress-strain properties at its dispersed reinforcement with carbon fibers is fixed. As a result of the statistic processing of experimental data, analytical dependencies for determination of carbon-fiber reinforced concrete main strength and stress-strain characteristics under compression and tension are suggested. Calculation diagram of non-linear straining of carbon-fiber reinforced concrete at static effect is presented.
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6

Fouad, Nariman, and Mohamed A. Saifeldeen. "Smart self-sensing fiber-reinforced polymer sheet with woven carbon fiber line sensor for structural health monitoring." Advances in Structural Engineering 24, no. 1 (2020): 17–24. http://dx.doi.org/10.1177/1369433220944507.

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With the development of technology to upgrade existing concrete structures using externally bonded fiber-reinforced polymer composites, the properties that are inherent in fiber-reinforced polymer sheets, such as low bonding ductility between fiber-reinforced polymer and concrete, have been highlighted as presenting a challenge. This article presents a novel, smart, self-sensing fiber-reinforced polymer sheet, by hybridizing the fiber-reinforced polymer sheet with woven long-gauge carbon fiber line sensors, in order to monitor the macrostrain changes of the fiber-reinforced polymer sheet. To e
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7

Chen, Yang, Zhenqiang Zhao, Dongfeng Li, Zaoyang Guo, and Leiting Dong. "Constitutive modeling for linear viscoelastic fiber-reinforced composites." Composite Structures 263 (May 2021): 113679. http://dx.doi.org/10.1016/j.compstruct.2021.113679.

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8

Ren, Xiu Hua, Ze Ning Wang, Tao Wang, and Jian Hua Zhang. "Interface Bonding Property of Fiber-Reinforced Resin Mineral Composite." Applied Mechanics and Materials 253-255 (December 2012): 499–502. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.499.

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Resin mineral composite (RMC) reinforced by fibers belongs to a multiphase material, whose mechanical strength depends on its material properties of components and microstructure characteristics of fibers including surface state, shape, and so on. The interface mechanism between fiber and matrix was analyzed. Finite element simulation was employed to discuss the reinforced effect of fiber on resin matrix, and the influence of fiber shape, surface state on interface bonding property respectively. Research results showed that linear fibers with surface dents or fibers shaped like S, U, V, N, W E
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9

Wu, Xi-Zhi, Wei-Kang Yang, and Xian-Jun Li. "Study on stripping mechanism of steel plate strengthened with carbon fiber reinforced polymer by cohesive zone model." Advances in Structural Engineering 23, no. 12 (2020): 2503–13. http://dx.doi.org/10.1177/1369433220912348.

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When carbon fiber reinforced polymer is applied to reinforce a steel plate, the end of it tends to debond which could cause a failure. In this article, the finite element model of carbon fiber reinforced polymer–reinforced steel plate was established based on the cohesive zone model and validated by the linear elasticity model and experiments at bonding stage and stripping stage, through which the stripping mechanism of the adhesive layer was studied. It had been proved by the test results of carbon fiber reinforced polymer–reinforced steel plate that the shear stress was the main factor of st
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10

Karimzadeh Naghshineh, Ali, Ugurhan Akyuz, and Alp Caner. "Lateral Response Comparison of Unbonded Elastomeric Bearings Reinforced with Carbon Fiber Mesh and Steel." Shock and Vibration 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/208045.

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The vertical and horizontal stiffness used in design of bearings have been established in the last few decades. At the meantime, applicability of the theoretical approach developed to estimate vertical stiffness of the fiber-reinforced bearings has been verified in different academic studies. The suitability of conventional horizontal stiffness equation developed for elastomeric material, mainly for steel-reinforced elastomeric bearings, has not been tested in detail for use of fiber-reinforced elastomeric bearings. In this research, lateral response of fiber mesh-reinforced elastomeric bearin
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11

Jin, Xi Nan, Jian Ping Gao, and Jing Long Pan. "Non-Linear Elastic Incremental Constitutive Model for Confined Concrete." Advanced Materials Research 168-170 (December 2010): 57–68. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.57.

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This study offers a new isotropic non-linear elastic incremental constitutive model for concentrically loaded specimens based on non-linear elasticity theory, according to the test results of 18 concrete stub columns wrapped with different amount of carbon fiber reinforced plastics(CFRP), glass fiber reinforced plastics(GFRP), steel ring, FRP-steel ring, respectively. The mechanical proprieties of concrete stub columns with circular cross section wrapped with any material under uniaxial loading can be analyzed according to the proposed constitutive model, the failure criterion of concrete in c
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12

Zhang, Chunyu, Yikai Sun, Jianguo Xu, and Bo Wang. "The Effect of Vibration Mixing on the Mechanical Properties of Steel Fiber Concrete with Different Mix Ratios." Materials 14, no. 13 (2021): 3669. http://dx.doi.org/10.3390/ma14133669.

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This work addresses how vibration stirring, steel-fiber volume ratio, and matrix strength affect the mechanical properties of steel-fiber-reinforced concrete. The goal of the work is to improve the homogeneity of steel-fiber-reinforced concrete, which is done by comparing the mechanical properties of steel-fiber-reinforced concrete fabricated by ordinary stirring with that fabricated by vibration stirring. The results show that the mechanical properties of steel-fiber-reinforced concrete produced by vibration mixing are better than those produced by ordinary mixing. The general trend is that t
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13

Mailyan, Levon, Petr Shilov, and Aleksandr Shilov. "Program and results of experimental studies of the characteristics of fiber concrete produced by the mechanical technology of creating aggregate oriented fiber reinforcement." Construction and Architecture 11, no. 1 (2023): 1. http://dx.doi.org/10.29039/2308-0191-2022-11-1-1-1.

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Statement of the problem. The pace of development of modern construction creates the need to develop new technologies that make it possible to impart special properties to classical building materials, allowing them to expand the range of their application. The developed technology of mechanical distribution and orientation along the fiber fibers acting in the structure of tensile stresses in the body of linear fiber-reinforced concrete and fiber-reinforced concrete elements can provide more efficient use of fiber-dispersed reinforcement by including more fibers in the work of the section. It
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14

Soubestre, Jean, and Claude Boutin. "Non-local dynamic behavior of linear fiber reinforced materials." Mechanics of Materials 55 (December 2012): 16–32. http://dx.doi.org/10.1016/j.mechmat.2012.06.005.

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15

Boutin, Claude, and Jean Soubestre. "Generalized inner bending continua for linear fiber reinforced materials." International Journal of Solids and Structures 48, no. 3-4 (2011): 517–34. http://dx.doi.org/10.1016/j.ijsolstr.2010.10.017.

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16

Spathis, G., and E. Kontou. "Non-linear viscoplastic behavior of fiber reinforced polymer composites." Composites Science and Technology 64, no. 15 (2004): 2333–40. http://dx.doi.org/10.1016/j.compscitech.2004.03.020.

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17

Dorf, V. A., R. O. Krasnovskij, D. E. Kapustin, P. S. Sultygova, V. V. Turkin, and P. V. Travkin. "Effect of density of cement-sand matrix and type of steel fibers on the density and elasticity modulus of steel fiber reinforced concrete at heating during the fire." Вестник гражданских инженеров 17, no. 5 (2020): 147–54. http://dx.doi.org/10.23968/1999-5571-2020-17-5-147-154.

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The paper considers the results of the impact of high temperatures during the fire on changes in the density and elasticity modulus of steel fiber reinforced concrete (SFRC) at different values of density of the cement-sand matrix corresponding to its flexural strength of 5.0 and 8.5 MPa. It is shown that in the temperature range from 20 to 1100 °C, the diagrams «Density of steel fiber reinforced concrete - heating temperature» are linear and their shape does not depend on the type of fiber and its content in steel fiber reinforced concrete. The results of the performed studies allow determini
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18

Hiremath, Chandrashekhar P., K. Senthilnathan, Niranjan K. Naik, Anirban Guha, and Asim Tewari. "Mechanistic model for fiber crack density prediction in cyclically loaded carbon fiber-reinforced polymer during the damage initiation phase." Journal of Composite Materials 53, no. 8 (2018): 993–1004. http://dx.doi.org/10.1177/0021998318793928.

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Prediction of the fiber crack density (as one of the microstructural damages) for unidirectional fiber-reinforced polymer composite under monotonic tensile load, using strength models, has been reported in the literature. However, the microstructural damage prediction for a fiber-reinforced polymer subjected to fatigue loading is still a challenge. In this work, a progressive damage initiation model was developed to predict the fiber crack density in carbon fiber-reinforced polymer composite subjected to fatigue loading. A stochastic model was used for modeling the fiber fatigue strength. Redu
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19

Cajka, Radim, Zuzana Marcalikova, Vlastimil Bilek, and Oldrich Sucharda. "Numerical Modeling and Analysis of Concrete Slabs in Interaction with Subsoil." Sustainability 12, no. 23 (2020): 9868. http://dx.doi.org/10.3390/su12239868.

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This article focuses on the analysis and numerical modeling of a concrete slab interacting with subsoil. This is a complex task for which a number of factors enter into the calculation, including the scope or dimension of the model, the non-linear solution approach, the choice of input parameters, and so forth. The aim of this article is to present one possible approach, which is based on a non-linear analysis and a three-dimensional computational model. Five slabs were chosen for modeling and analysis. The experiments involved slabs of 2000 × 2000 mm and a thickness of 150 mm, which were test
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20

Wang, Yanlei, Ruijuan Chang, and Guipeng Chen. "Strain and damage self-sensing properties of carbon nanofibers/carbon fiber–reinforced polymer laminates." Advances in Mechanical Engineering 9, no. 2 (2017): 168781401668864. http://dx.doi.org/10.1177/1687814016688641.

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Unidirectional fiber-reinforced composites of “plain” carbon fiber–reinforced polymer laminates and carbon nanofibers modified carbon fiber–reinforced polymer laminates were prepared based on the manufacture of the epoxy resin modified with various contents of carbon nanofibers. The carbon nanofibers–modified epoxy matrix and carbon fiber–reinforced polymer laminates specimens were subject to constant amplitude cyclic tensile loading, quasi-static tension loading, and incremental cyclic tension loading while the values of their electrical resistance were monitored through electrical resistance
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21

Evdokimova, Tatiana, Valeriy Morozov, Eres Opbul, and Aleksey Khegai. "Experimental Diagrams of Fiber Concrete Straining under Tension and Compression and their Implementation in Calculation of Bearing Capacity of Fiber-Reinforced Concrete Flexural Elements." Materials Science Forum 871 (September 2016): 160–65. http://dx.doi.org/10.4028/www.scientific.net/msf.871.160.

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On the basis of experimental data, calculating diagrams of non-linear straining of fiber concrete under compression and tension were developed, which take into consideration the qualitative change in strength and stress-strain properties of the concrete matrix at its fiber reinforcement. The obtained diagrams are realized upon the bearing capacity calculation of fiber-reinforced concrete flexural elements. Calculation of fiber-reinforced beam was fulfilled according to the proposed approach and current regulatory documents. Comparison of calculation results was carried out, according to which
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22

Majdzadeh, Fariborz, Sayed Mohamad Soleimani, and Nemkumar Banthia. "Shear strength of reinforced concrete beams with a fiber concrete matrix." Canadian Journal of Civil Engineering 33, no. 6 (2006): 726–34. http://dx.doi.org/10.1139/l05-118.

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The purpose of this study was to investigate the influence of fiber reinforcement on the shear capacity of reinforced concrete (RC) beams. Both steel and synthetic fibers at variable volume fractions were investigated. Two series of tests were performed: structural tests, where RC beams were tested to failure under an applied four-point load; and materials tests, where companion fiber-reinforced concrete (FRC) prisms were tested under direct shear to obtain material properties such as shear strength and shear toughness. FRC test results indicated an almost linear increase in the shear strength
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23

Gun, Halit, and Gorkem Kose. "Prediction of longitudinal modulus of aligned discontinuous fiber-reinforced composites using boundary element method." Science and Engineering of Composite Materials 21, no. 2 (2014): 219–21. http://dx.doi.org/10.1515/secm-2013-0055.

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AbstractIn this study, the boundary element method is presented for the prediction of longitudinal modulus of aligned discontinuous fiber-reinforced composites. The details of the boundary element formulation model covering infinite friction (stick) contact conditions are given. Both fiber and matrix materials are assumed to display linear elastic material behavior. The formulation is applied to boron/epoxy discontinuous fiber-reinforced composites. The computed results show a very good agreement with the modified Cox model and the finite element analysis with experimental data.
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24

Liu, XZ, HH Zhu, JW Ju, Q. Chen, ZW Jiang, and ZG Yan. "Investigation of the unbiased probabilistic behavior of the fiber-reinforced concrete's elastic moduli using stochastic micromechanical approach." International Journal of Damage Mechanics 29, no. 7 (2020): 1059–75. http://dx.doi.org/10.1177/1056789520904007.

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The probabilistic behavior of the fiber-reinforced concrete is usually represented by the common probability density functions, which will lead to the biased results. This study aims to develop a stochastic multiphase micromechanical framework with Legendre orthogonal polynomial to investigate the unbiased probabilistic behavior of the fiber-reinforced concrete's moduli. The different phase volume fractions are analytically calculated based on the aggregate grading and the material's effective properties are quantitatively reached by employing the multilevel micromechanical homogenization sche
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25

Sun, Zhenxing, Rongchang Wang, Zhongnian Yang, Jianhang Lv, Wei Shi, and Xianzhang Ling. "Dynamic Behavior of Rubber Fiber-Reinforced Expansive Soil under Repeated Freeze–Thaw Cycles." Polymers 16, no. 19 (2024): 2817. http://dx.doi.org/10.3390/polym16192817.

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Large volumes of waste tires are generated due to the rapid growth of the transportation industry. An effective method of recycling waste tires is needed. Using rubber from tires to improve problematic soils has become a research topic. In this paper, the dynamic response of rubber fiber-reinforced expansive soil under freeze–thaw cycles is investigated. Dynamic triaxial tests were carried out on rubber fiber-reinforced expansive soil subjected to freeze–thaw cycles. The results showed that with the increase in the number of freeze–thaw cycles, the dynamic stress amplitude and dynamic elastic
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26

Oladele, Isiaka Oluwole, Oluwaseun Temilola Ayanleye, Adeolu Adesoji Adediran, Baraka Abiodun Makinde-Isola, Anuoluwapo Samuel Taiwo, and Esther Titilayo Akinlabi. "Characterization of Wear and Physical Properties of Pawpaw–Glass Fiber Hybrid Reinforced Epoxy Composites for Structural Application." Fibers 8, no. 7 (2020): 44. http://dx.doi.org/10.3390/fib8070044.

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In this study, wear resistance and some selected physical properties of pawpaw–glass fiber hybrid reinforced epoxy composites were investigated. Two different layers of pawpaw stem—linear and network structures—were extracted and chemically modified. Hybrid reinforced composites were developed comparatively from the two fiber structures and glass fiber using hand lay-up in an open mold production process. The wear resistance was studied via the use of a Taber Abrasion Tester while selected physical properties were also investigated. The influence of the fiber structure on the properties examin
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27

Reddy, R. Venkata Suraj, V. Srinivasa Reddy, M. V. Seshagiri Rao, S. Shrihari, Sokaina Issa Kadhim, and Monisha Awasthi. "Design of concrete beam reinforced with GFRP bars as per ACI codal provisions." E3S Web of Conferences 391 (2023): 01213. http://dx.doi.org/10.1051/e3sconf/202339101213.

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This document provides design principles for concrete beams reinforced with glass fiber reinforced polymer (GFRP) bars per the ACI 440.1R-15 regulation. One of the main advantages of using glass fiber reinforced polymer rods instead of traditional steel reinforced rods is their lighter weight and higher corrosion resistance. However, the bending failure mode of FRP reinforced concrete (FRP-RC) beams is brittle rather than ductile because the elasticity of fiber reinforced polymer (FRP) bars is linear until failure and the elongation at break is small. For FRP-RC elements, concrete crushing com
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28

Sun, Yixuan, Imad Hanhan, Michael D. Sangid, and Guang Lin. "Predicting Mechanical Properties from Microstructure Images in Fiber-Reinforced Polymers Using Convolutional Neural Networks." Journal of Composites Science 8, no. 10 (2024): 387. http://dx.doi.org/10.3390/jcs8100387.

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Evaluating the mechanical response of fiber-reinforced composites can be extremely time-consuming and expensive. Machine learning (ML) techniques offer a means for faster predictions via models trained on existing input–output pairs and have exhibited success in composite research. This paper explores a fully convolutional neural network modified from StressNet, which was originally used for linear elastic materials, and extended here for a non-linear finite element (FE) simulation to predict the stress field in 2D slices of segmented tomography images of a fiber-reinforced polymer specimen. T
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29

Qi, Ye Xiong, Jia Lu Li, and Liang Sen Liu. "Bending Properties of Three-Layer Biaxial Weft Knitted Fabric Reinforced Composite Materials." Advanced Materials Research 295-297 (July 2011): 1217–20. http://dx.doi.org/10.4028/www.scientific.net/amr.295-297.1217.

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In this paper, three-layer biaxial weft knitted fabric(TBWK) made of carbon fiber as inserted yarns and polyester yarns as knitted yarns , which is a kind of non-crimp fabric, has been impregnated with epoxy via RTM technique. The bending properties of the TBWK fabric reinforced composite materials with different fiber volume fraction have been investigated. The bending strength of TBWK reinforced composites with fiber volume fraction of 48.8% can reach 821.1 MPa. The results show that this kind of composites has good bending properties, and load - deflection curve shows obvious linear feature
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30

Alfeki, Mohammed Abdulkedir, and Ephrem Assefa Feyissa. "Water Absorption, Thermal, and Mechanical Properties of Bamboo Fiber with Chopped Glass Fiber Filler-Reinforced Polyester Composites." Advances in Materials Science and Engineering 2024 (April 30, 2024): 1–29. http://dx.doi.org/10.1155/2024/6262251.

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This study explores the investigations of bamboo fiber-reinforced polyester composites with chopped glass fiber (CGF) filler, focusing on addressing the challenges of low mechanical properties, limited thermal stability, and high moisture absorption. The two types of composites were fabricated using the hand layup method, that is, long unidirectional 0° bamboo fiber (BF) and randomly oriented short bamboo fiber (BP) reinforced a polyester matrix with chopped glass fiber (CGF) filler. By incorporating CGF filler, significant improvements in mechanical properties were achieved across both types
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31

Weeks, C. A., and C. T. Sun. "Modeling non-linear rate-dependent behavior in fiber-reinforced composites." Composites Science and Technology 58, no. 3-4 (1998): 603–11. http://dx.doi.org/10.1016/s0266-3538(97)00183-8.

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32

KWON, OH-HEON, and JI-WOONG KANG. "THE STRESS ANALYSIS AND THE CRACK BEHAVIOR ACCORDING TO THE CHARACTERISTIC OF THE INTERFACIAL REGION IN FIBER REINFORCED MMC." International Journal of Modern Physics B 20, no. 25n27 (2006): 4457–62. http://dx.doi.org/10.1142/s0217979206041513.

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High performance composite reinforced with unidirectional continuous fibers are used in applications requiring high stiffness, high strength and light weight. Because of the high stiffness of the reinforced continuous fiber, the longitudinal performance of such unidirectional composites is greatly enhanced, but their transverse performance is so weak. The nature of the fiber/matrix interface is one of the important factors which determine the unique properties of the fiber reinforced metal matrix composites (MMCs). So, the current study is focused on the fracture behavior of the interface. Bot
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33

Chen, Xin, Xiuzhi Shi, Shu Zhang, et al. "Fiber-Reinforced Cemented Paste Backfill: The Effect of Fiber on Strength Properties and Estimation of Strength Using Nonlinear Models." Materials 13, no. 3 (2020): 718. http://dx.doi.org/10.3390/ma13030718.

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This experimental investigation was conducted to research the properties of polypropylene (PP) fiber-reinforced cemented paste backfill (CPB). The unconfined compressive strength (UCS) of the fiber-reinforced CPB showed a significant improvement with average UCS increase ratios of 141.07%, 57.62% and 63.17% at 3, 7 and 28 days, respectively. The macroscopic failure mode and SEM analysis indicated that fibers prevented the formation of large tensile and shear cracks during the pull-out and pull-off failure modes. A linear fitting function for the UCS at a curing time of 3 days and two polynomia
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34

Theotokoglou, Efstathios E., Georgios Balokas, and Evgenia K. Savvaki. "Linear and nonlinear buckling analysis for the material design optimization of wind turbine blades." International Journal of Structural Integrity 10, no. 6 (2019): 749–65. http://dx.doi.org/10.1108/ijsi-02-2018-0011.

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Purpose The purpose of this paper is to investigate the buckling behavior of the load-carrying support structure of a wind turbine blade. Design/methodology/approach Experimental experience has shown that local buckling is a major failure mode that dominantly influences the total collapse of the blade. Findings The results from parametric analyses offer a clear perspective about the buckling capacity but also about the post-buckling behavior and strength of the models. Research limitations/implications This makes possible to compare the response of the different fiber-reinforced polymers used
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35

Liu, Daxiang, Deyu Liu, Baohua Zhang, et al. "The Drawing Characteristics and Critical Length of Single Polypropylene Fiber in Vegetation Concrete." Nature Environment and Pollution Technology 21, no. 2 (2022): 829–36. http://dx.doi.org/10.46488/nept.2022.v21i02.047.

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Fiber-reinforced technology is an important method to improve the stability and durability of growing basis material. To evaluate the factors affecting the interfacial strength properties of polypropylene fiber reinforced vegetation concrete, single polypropylene fiber drawing tests were conducted by using a modified apparatus. The mechanical interaction behavior between vegetation concrete and polypropylene fiber was discussed by using a polarizing microscope. The results indicate that the drawing curves between polypropylene fiber and vegetation concrete show a typical multi-peak characteris
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36

Wang, Xin, Xing Zhao, Siqi Chen, and Zhishen Wu. "Static and fatigue behavior of basalt fiber-reinforced thermoplastic epoxy composites." Journal of Composite Materials 54, no. 18 (2019): 2389–98. http://dx.doi.org/10.1177/0021998319896842.

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The static, fatigue properties and their damage mechanism of basalt fiber-reinforced thermoplastic epoxy polymer composites are investigated. The stress–life curves and stiffness degradation under long-term cyclic loading were tested for basalt fiber-reinforced thermoplastic epoxy polymer. An advanced fatigue loading equipment combined with in situ scanning electron microscopy was used in the tests to track the damage propagations and analysis the fracture surfaces of all specimens. Results were also compared with those of thermosetting epoxy-based basalt fiber-reinforced polymer composites. T
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37

Evangelou, Evangelos D., Ioannis N. Markou, Sofia E. Verykaki, and Konstantinos E. Bantralexis. "Mechanical Behavior of Fiber-Reinforced Soils under Undrained Triaxial Loading Conditions." Geotechnics 3, no. 3 (2023): 874–93. http://dx.doi.org/10.3390/geotechnics3030047.

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The design of fiber-reinforced soil structures, such as embankments and pavements, can be carried out using the results of unconsolidated, undrained triaxial compression tests conducted on specimens at their “as-compacted” water content and analyzed in terms of total stresses. The effects of soil and fiber type on the mechanical behavior of fiber-reinforced soils have not been methodically or adequately examined in the past under these conditions, and the effects of fiber length and content on the shear strength parameters of fiber-reinforced soils need further experimental documentation. Acco
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38

Deng, Peng, Yan Sun, Yan Liu, and Xiaoxiao Song. "Revised Rebound Hammer and Pull-Out Test Strength Curves for Fiber-Reinforced Concrete." Advances in Civil Engineering 2020 (February 24, 2020): 1–12. http://dx.doi.org/10.1155/2020/8263745.

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Rebound hammer tests and postinstalled pull-out tests are commonly used for evaluating the compressive strength of ordinary concrete, and the strength of concrete is estimated by strength curves. However, using these strength curves to predict the compressive strength of carbon fiber-reinforced concrete (CFRC), polypropylene fiber-reinforced concrete (PFRC), and carbon-polypropylene hybrid fiber-reinforced concrete (HFRC) may lead to considerable uncertainties. Therefore, this study revises the strength curves derived from rebound hammer tests and postinstalled pull-out tests for ordinary conc
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Picard, Philipp K. W., Tim A. Osswald, Swen Zaremba, and Klaus Drechsler. "Modeling of a Process Window for Tailored Reinforcements in Overmolding Processes." Journal of Composites Science 8, no. 2 (2024): 65. http://dx.doi.org/10.3390/jcs8020065.

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This study explores cost-effective and customized composite applications by strategically placing carbon fiber-reinforced thermoplastics in multi-material designs. The focus is on developing a model for the simultaneous processing of non-reinforced and reinforced thermoplastic layers, with the aim of identifying essential parameters to minimize insert flow and ensure desired fiber orientation and positional integrity. The analysis involves an analytical solution for two layered power-law fluids in a squeeze flow setup, aiming to model the combined flow behavior of Newtonian and pseudo-plastic
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Md Ghazaly, Mariam, Min Yee Wong, Zulkeflee Abdullah, et al. "Design and optimization of a linear fiber-reinforced soft actuator for improved linear motion performance." Bulletin of Electrical Engineering and Informatics 14, no. 1 (2025): 173–83. http://dx.doi.org/10.11591/eei.v14i1.8557.

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The demand for safe and flexible actuators has increased as traditional actuators pose safety risks due to their rigid materials, especially in applications requiring human-machine interaction. This study focuses on designing and optimizing a linear fiber-reinforced soft actuator to enhance linear motion performance while maintaining safety and flexibility. Finite element method (FEM) analysis was used to evaluate the effects of varying key design parameters, including core radius, actuator length, and core wall thickness. The analysis revealed that increasing the core radius leads to greater
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Wang, Huai Wen, Le Le Gui, and Hong Wei Zhou. "Numerical Investigations of Young’s Modulus for Composites with Inclined Glass Fiber for Wind Energy Application." Advanced Materials Research 216 (March 2011): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amr.216.393.

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Young’s Modulus of glass fiber reinforced composites for wind energy applications are studied using numerical method. The effect of volume content of glass fiber on the Young’s modulus of composites is investigated. Results indicate the relation between them is nearly linear. In order to explore the effect of inclined angle of fiber on the Young’s modulus of composites, different finite element models with inclined glass fiber are developed via the ABAQUS Scripting Interface. Results indicate that Young’s modulus of the composites strongly depends on the inclined angle of fiber. A U-shaped dep
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42

Gorino, Andrea, and Alessandro Fantilli. "Scaled Approach to Designing the Minimum Hybrid Reinforcement of Concrete Beams." Materials 13, no. 22 (2020): 5166. http://dx.doi.org/10.3390/ma13225166.

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To study the brittle/ductile behavior of concrete beams reinforced with low amounts of rebar and fibers, a new multi-scale model is presented. It is used to predict the flexural response of an ideal Hybrid Reinforced Concrete (HRC) beam in bending, and it is validated with the results of a specific experimental campaign, and some tests available in the technical literature. Both the numerical and the experimental measurements define a linear relationship between the amount of reinforcement and the Ductility Index (DI). The latter is a non-dimensional function depending on the difference betwee
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Tong, Xinxing, Wenjie Ge, and Yonghong Zhang. "Optimal fiber orientation and topology design for compliant mechanisms with fiber-reinforced composites." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 231, no. 12 (2016): 2302–12. http://dx.doi.org/10.1177/0954406216631783.

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An approach for designing compliant mechanisms with glass fiber-reinforced epoxy materials is presented to obtain the optimum fiber orientation and topology structure simultaneously in this paper. Four-node hybrid stress elements and nodal design variables are adopted to suppress the islands and checkerboard phenomenon without additive filter technology and constraint. Taking fiber orientation and relative density as design variables, minimizing the weighted linear combination of the mutual strain energy and the strain energy is considered as objective function to achieve the desired deformati
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KANG, J. W., O. H. KWON, and Y. S. YUN. "THE INVESTIGATION OF THE ELASTIC-PLASTIC BEHAVIOR USING THE PROPERTY GRADIENT OF THE INTERFACIAL REGION IN FIBER REINFORCED MMC." International Journal of Modern Physics B 24, no. 15n16 (2010): 3137–42. http://dx.doi.org/10.1142/s0217979210066215.

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In this study, the interfacial perpendicular crack behavior and stress state of the unidirectional fiber reinforced Metal Matrix Composites (MMCs) are investigated by using FEA under the transverse loading. The fiber assumed as isotropic linear elastic SiC and the matrix is assumed as isotropic elastic-plastic Ti . The fiber/matrix interface is modeled as multi thin layer with different linear material properties. The behavior of perpendicular crack to the interface according to the change of the interface characteristics and thickness are evaluated.
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He, Bo Lin, Ying Xia Yu, and Li Li. "Preparation and Tensile Properties of Carbon Fiber Reinforced Polyethylene Resin Composite." Advanced Materials Research 791-793 (September 2013): 498–501. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.498.

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The composite of carbon fiber reinforced polyethylene resin was prepared by using a twin-screw extruder. The effect of carbon fiber content on the tensile properties of the composite of carbon fiber reinforced polyethylene resin was researched. The tensile fracture failure mechanism of composite materials was analyzed. The experimental results indicate that with the increase of the content of carbon fiber in the composite material, the tensile strength and tensile modulus increase gradually. When the carbon fiber content in the composites is 4.02%, compared to the pure polyethylene resin matri
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Wang, Wensong, Guansen Cao, Ye Li, et al. "Effects of Freeze–Thaw Cycles on Strength and Wave Velocity of Lime-Stabilized Basalt Fiber-Reinforced Loess." Polymers 14, no. 7 (2022): 1465. http://dx.doi.org/10.3390/polym14071465.

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Basalt fiber is a new environmentally-friendly material with excellent potential for soil reinforcement in geotechnical engineering construction. This study explores the effects of freeze–thaw cycles on the unconfined compressive strength (UCS) and P-wave velocity (Vp) of lime-stabilized basalt fiber-reinforced loess. Reinforced loess samples with different proportions of basalt fiber and lime were subjected to 0, 1, 5, and 10 freeze–thaw cycles, and their UCS and Vp were subsequently measured. The test results showed that the addition of basalt fiber and lime to loess could enhance strength a
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Krizma, Martin, and Lubomir Bolha. "Long-Term Deformations of Strengthened Reinforced Concrete Linear Elements." Key Engineering Materials 691 (May 2016): 51–60. http://dx.doi.org/10.4028/www.scientific.net/kem.691.51.

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The issue of strengthening the damaged linear reinforced concrete elements have been engaged since 2008. We focused on the analysis of resistance and the characteristics of limit states of serviceability in the damaged and subsequently strengthened elements at a short-term loading. In the introduction phase, the strengthening of the elements was carried out with the following procedures – installation of an overlayer on the coupling board or a combination of the board and use of glass – fiber fabric (GFRP). The strengthening was also affected by the type of contact (reinforced/non-reinforced)
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Salleh, Norhafizah, Abdul Rahman Mohd Sam, Jamaludin Mohd Yatim, and Mohd Firdaus bin Osman. "Flexural Behaviour of Reinforced Concrete Beam with Glass Fiber Reinforced Polymer (GFRP) Bar Strengthened with Carbon Fiber Reinforced Polymer (CFRP) Plate." Advanced Materials Research 1051 (October 2014): 748–51. http://dx.doi.org/10.4028/www.scientific.net/amr.1051.748.

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The use of glass-fiber-reinforced polymer (GFRP) bar to replace steel reinforcement in concrete structures is a relatively a new technique. The GFRP bars possess mechanical properties different from steel bars, including high tensile strength combined with low elastic modulus and linear stress–strain relationship up to failure. Therefore, design procedures and process should account for these properties. This paper presents the experimental work on the flexural behavior of concrete beam reinforced with GFRP bars and strengthen with CFRP plate. A total of ten reinforced concrete beams reinforce
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Maier, Christoph, Alexander Beckmann, Armin Wittmann, Klaus Peter Koch, and Georg Fischer. "Investigation of the Discrepancy Between Optically and Gravimetrically Calculated Fiber Volume Fraction in Flax-Fiber-Reinforced Polymer." Journal of Composites Science 9, no. 3 (2025): 103. https://doi.org/10.3390/jcs9030103.

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The fiber volume fraction significantly influences the mechanical properties of fiber-reinforced composites. However, accurate measurements can be particularly challenging in natural-fiber-reinforced polymers. This study compared indirect methods using gravimetric and volumetric measurements with a U-Net-based direct method using micro-CT images for flax-fiber-reinforced polymers made via compression molding at 2.33–13.5 bar. A notable discrepancy was observed between the direct and indirect methods, with the latter yielding a fiber volume fraction approximately 25% lower than what could be de
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Salehi, M., and A. R. Sobhani. "Elastic linear and non-linear analysis of fiber-reinforced symmetrically laminated sector Mindlin plate." Composite Structures 65, no. 1 (2004): 65–79. http://dx.doi.org/10.1016/j.compstruct.2003.10.006.

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