Relevant bibliographies by topics / Shear Behaviour of SFRC Beams

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Academic literature on the topic 'Shear Behaviour of SFRC Beams'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Shear Behaviour of SFRC Beams"

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Demakos, Constantinos B., Constantinos C. Repapis, and Dimitros P. Drivas. "Experimental Investigation of Shear Strength for Steel Fibre Reinforced Concrete Beams." Open Construction & Building Technology Journal 15, no. 1 (2021): 81–92. http://dx.doi.org/10.2174/1874836802115010081.

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Aims: The aim of this paper is to investigate the influence of the volume fraction of fibres, the depth of the beam and the shear span-to-depth ratio on the shear strength of steel fibre reinforced concrete beams. Background: Concrete is a material widely used in structures, as it has high compressive strength and stiffness with low cost manufacturing. However, it presents low tensile strength and ductility. Therefore, through years various materials have been embedded inside it to improve its properties, one of which is steel fibres. Steel fibre reinforced concrete presents improved flexural, tensile, shear and torsional strength and post-cracking ductility. Objective: A better understanding of the shear performance of SFRC could lead to improved behaviour and higher safety of structures subject to high shear forces. Therefore, the influence of steel fibres on shear strength of reinforced concrete beams without transverse reinforcement is experimentally investigated. Methods: Eighteen concrete beams were constructed for this purpose and tested under monotonic four-point bending, six of which were made of plain concrete and twelve of SFRC. Two different aspect ratios of beams, steel fibres volume fractions and shear span-to-depth ratios were selected. Results: During the experimental tests, the ultimate loading, deformation at the mid-span, propagation of cracks and failure mode were detected. From the tests, it was shown that SFRC beams with high volume fractions of fibres exhibited an increased shear capacity. Conclusion: The addition of steel fibres resulted in a slight increase of the compressive strength and a significant increase in the tensile strength of concrete and shear resistance capacity of the beam. Moreover, these beams exhibit a more ductile behaviour. Empirical relations predicting the shear strength capacity of fibre reinforced concrete beams were revised and applied successfully to verify the experimental results obtained in this study.
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Lantsoght, Eva. "Database of Shear Experiments on Steel Fiber Reinforced Concrete Beams without Stirrups." Materials 12, no. 6 (2019): 917. http://dx.doi.org/10.3390/ma12060917.

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Adding steel fibers to concrete improves the capacity in tension-driven failure modes. An example is the shear capacity in steel fiber reinforced concrete (SFRC) beams with longitudinal reinforcement and without shear reinforcement. Since no mechanical models exist that can fully describe the behavior of SFRC beams without shear reinforcement failing in shear, a number of empirical equations have been suggested in the past. This paper compiles the existing empirical equations and code provisions for the prediction of the shear capacity of SFRC beams failing in shear as well as a database of 488 experiments reported in the literature. The experimental shear capacities from the database are then compared to the prediction equations. This comparison shows a large scatter on the ratio of experimental to predicted values. The practice of defining the tensile strength of SFRC based on different experiments internationally makes the comparison difficult. For design purposes, the code prediction methods based on the Eurocode shear expression provide reasonable results (with coefficients of variation on the ratio tested/predicted shear capacities of 27–29%). None of the currently available methods properly describe the behavior of SFRC beams failing in shear. As such, this work shows the need for studies that address the different shear-carrying mechanisms in SFRC and its crack kinematics.
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Jongvivatsakul, Pitcha, Linh V. H. Bui, Theethawachr Koyekaewphring, Atichon Kunawisarut, Narawit Hemstapat, and Boonchai Stitmannaithum. "Using Steel Fiber-Reinforced Concrete Precast Panels for Strengthening in Shear of Beams: An Experimental and Analytical Investigation." Advances in Civil Engineering 2019 (June 2, 2019): 1–18. http://dx.doi.org/10.1155/2019/4098505.

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In this paper, the performances of reinforced concrete (RC) beams strengthened in shear with steel fiber-reinforced concrete (SFRC) panels are investigated through experiment, analytical computation, and numerical analysis. An experimental program of RC beams strengthened by using SFRC panels, which were attached to both sides of the beams, is carried out to investigate the effects of fiber volume fraction, connection type, and number and diameter of bolts on the structural responses of the retrofitted beams. The current shear resisting model is also employed to discuss the test data considering shear contribution of SFRC panels. The experimental results indicate that the shear effectiveness of the beams strengthened by using SFRC panels is significantly improved. A three-dimensional (3D) nonlinear finite element (FE) analysis adopting ABAQUS is also conducted to simulate the beams strengthened in shear with SFRC panels. The investigation reveals the good agreement between the experimental and analytical results in terms of the mechanical behaviors. To complement the analytical study, a parametric study is performed to further evaluate the influences of panel thickness, compressive strength of SFRC, and bolt pattern on the performances of the beams. Based on the numerical and experimental analysis, a shear resisting model incorporating the simple formulation of average tensile strength perpendicular to the diagonal crack of the strengthened SFRC panels is proposed with the acceptable accuracy for predicting the shear contribution of the SFRC system under various effects.
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Zhao, Jun, Jingchao Liang, Liusheng Chu, and Fuqiang Shen. "Experimental Study on Shear Behavior of Steel Fiber Reinforced Concrete Beams with High-Strength Reinforcement." Materials 11, no. 9 (2018): 1682. http://dx.doi.org/10.3390/ma11091682.

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Many researchers have performed experimental and theoretical studies on the shear behavior of steel fiber reinforced concrete (SFRC) beams with conventional reinforcement; few studies involve the shear behavior of SFRC beams with high-strength reinforcement. In this paper, the shear test of eleven beams with high-strength reinforcement was carried out, including eight SFRC beams and three reinforced concrete (RC) beams. The load-deflection curve, concrete strain, stirrup strain, diagonal crack width, failure mode and shear bearing capacity of the beams were investigated. The test results show that steel fiber increases the stiffness, ultimate load and failure deformation of the beams, but the increase effect of steel fiber decreases with the increase of stirrup ratio. After the diagonal crack appears, steel fiber reduces the concrete strains of the diagonal section, stirrup strains and diagonal crack width. In addition, steel fiber reduces crack height and increases crack number. Finally, the experimental values of the shear capacities were compared with the values calculated by CECS38:2004 and ACI544.4R, and the equation of shear capacity in CECS38:2004 was modified to effectively predict the shear capacities of SFRC beams with high-strength reinforcement.
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Jin, Liu, Renbo Zhang, Xiuli Du, and Guoqin Dou. "Structural behavior of the steel fiber reinforced concrete beam under multiple impact loadings: An experimental investigation." International Journal of Damage Mechanics 29, no. 3 (2019): 503–26. http://dx.doi.org/10.1177/1056789519862331.

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Steel fiber reinforced concrete (SFRC) has been proved to be an appropriate material to resist extreme dynamic loadings. To explore the structural behavior of the SFRC component under multiple impact loadings, eight beams with continuous rebars were tested with a drop hammer system. Crack patterns were observed while strains of rebar and concrete, deformation of beams, the impact and reaction forces as well as acceleration were recorded during the experiment. The structural performances were analyzed, and influences of steel fiber amount, stirrup ratio, concrete strength and the times of impact loading were discussed. The test observations indicated that compared with ordinary RC beams after the first impact, crack patterns of SFRC beams were changed from punching-shear to bending and the peak mid-span deflection is considerably reduced. Under multiple impact loadings, the crack patterns of SFRC beams are mainly determined by the first blow, and few new cracks will be generated by the subsequent loadings. The increment of maximum mid-span deflection, however, increases as the number of blow increases. The shapes of deflection curves and distribution of internal force (dynamic shear force) for SFRC beams under multiple impact loadings are significantly different from those under static loadings. Moreover, the magnitude of the shear force slightly increases while the peak impact force decreases with the increasing of impact times. With the increasing steel fiber amount, impact force and energy absorption capacity of SFRC beams were increased while the residual deflection was reduced.
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Yang, Jun-Mo, Jin-Kook Kim, and Doo-Yeol Yoo. "Flexural and shear behaviour of high-strength SFRC beams without stirrups." Magazine of Concrete Research 71, no. 10 (2019): 503–18. http://dx.doi.org/10.1680/jmacr.17.00462.

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Krassowska, Julita, and Marta Kosior-Kazberuk. "Shear behavior of steel or basalt fiber reinforced concrete beams without stirrup reinforcement." Technical Sciences 4, no. 20 (2017): 391–404. http://dx.doi.org/10.31648/ts.5435.

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The paper presents the results of a comprehensive investigation aimed at studying the shear behavior of basalt or steel fiber-reinforced concrete (BFRC or SFRC) beams, as well as analyzing the possibility of using basalt or steel fibers as a minimum shear reinforcement. Two-span reinforced concrete beams with the cross-section of 8×16 cm and length of 200 cm and diversified spacing of stirrups were tested. Steel stirrups or alternatively steel or basalt fibers were used as a shear reinforcement. Steel fiber content was 80 and 120 kg/m3and basalt fiber content was 2.5 and 5.0 kg/m3. The shear behavior and/or bending capacity of SFRC and BFRC beams were studied. The result indicated that fibers can be safely used as a minimum shear reinforcement.
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Chalioris, Kosmidou, and Karayannis. "Cyclic Response of Steel Fiber Reinforced Concrete Slender Beams; an Experimental Study." Materials 12, no. 9 (2019): 1398. http://dx.doi.org/10.3390/ma12091398.

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Reinforced concrete (RC) beams under cyclic loading usually suffer from reduced aggregate interlock and eventually weakened concrete compression zone due to severe cracking and the brittle nature of compressive failure. On the other hand, the addition of steel fibers can reduce and delay cracking and increase the flexural/shear capacity and the ductility of RC beams. The influence of steel fibers on the response of RC beams with conventional steel reinforcements subjected to reversal loading by a four-point bending scheme was experimentally investigated. Three slender beams, each 2.5 m long with a rectangular cross-section, were constructed and tested for the purposes of this investigation; two beams using steel fibrous reinforced concrete and one with plain reinforced concrete as the reference specimen. Hook-ended steel fibers, each with a length-to-diameter ratio equal to 44 and two different volumetric proportions (1% and 3%), were added to the steel fiber reinforced concrete (SFRC) beams. Accompanying, compression, and splitting tests were also carried out to evaluate the compressive and tensile splitting strength of the used fibrous concrete mixtures. Test results concerning the hysteretic response based on the energy dissipation capabilities (also in terms of equivalent viscous damping), the damage indices, the cracking performance, and the failure of the examined beams were presented and discussed. Test results indicated that the SFRC beam demonstrated improved overall hysteretic response, increased absorbed energy capacities, enhanced cracking patterns, and altered failure character from concrete crushing to a ductile flexural one compared to the RC beam. The non-fibrous reference specimen demonstrated shear diagonal cracking failing in a brittle manner, whereas the SFRC beam with 1% steel fibers failed after concrete spalling with satisfactory ductility. The SFRC beam with 3% steel fibers exhibited an improved cyclic response, achieving a pronounced flexural behavior with significant ductility due to the ability of the fibers to transfer the developed tensile stresses across crack surfaces, preventing inclined shear cracks or concrete spalling. A report of an experimental database consisting of 39 beam specimens tested under cyclic loading was also presented in order to establish the effectiveness of steel fibers, examine the fiber content efficiency and clarify their role on the hysteretic response and the failure mode of RC structural members.
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Ding, Yining, Hekai Liu, Xiliang Ning, Yulin Zhang, and Cecília Azevedo. "Shear resistance and cracking behaviour of SFRC beams with and without axial load." Magazine of Concrete Research 66, no. 23 (2014): 1183–93. http://dx.doi.org/10.1680/macr.14.00043.

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K. Kytinou, Violetta, Constantin E. Chalioris, Chris G. Karayannis, and Anaxagoras Elenas. "Effect of Steel Fibers on the Hysteretic Performance of Concrete Beams with Steel Reinforcement—Tests and Analysis." Materials 13, no. 13 (2020): 2923. http://dx.doi.org/10.3390/ma13132923.

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The use of fibers as mass reinforcement to delay cracking and to improve the strength and the post-cracking performance of reinforced concrete (RC) beams has been well documented. However, issues of common engineering practice about the beneficial effect of steel fibers to the seismic resistance of RC structural members in active earthquake zones have not yet been fully clarified. This study presents an experimental and a numerical approach to the aforementioned question. The hysteretic response of slender and deep steel fiber-reinforced concrete (SFRC) beams reinforced with steel reinforcement is investigated through tests of eleven beams subjected to reversal cyclic loading and numerical analysis using 3D finite element (FE) modeling. The experimental program includes flexural and shear-critical SFRC beams with different ratios of steel reinforcing bars (0.55% and 1.0%), closed stirrups (from 0 to 0.5%), and fibers with content from 0.5 to 3% per volume. The developed nonlinear FE numerical simulation considers well-established relationships for the compression and tensional behavior of SFRC that are based on test results. Specifically, a smeared crack model is proposed for the post-cracking behavior of SFRC under tension, which employs the fracture characteristics of the composite material using stress versus crack width curves with tension softening. Axial tension tests of prismatic SFRC specimens are also included in this study to support the experimental project and to verify the proposed model. Comparing the numerical results with the experimental ones it is revealed that the proposed model is efficient and accurately captures the crucial aspects of the response, such as the SFRC tension softening effect, the load versus deformation cyclic envelope and the influence of the fibers on the overall hysteretic performance. The findings of this study also reveal that SFRC beams showed enhanced cyclic behavior in terms of residual stiffness, load-bearing capacity, deformation, energy dissipation ability and cracking performance, maintaining their integrity through the imposed reversal cyclic tests.
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Dissertations / Theses on the topic "Shear Behaviour of SFRC Beams"

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Cohen, Michael I. "Structural Behaviour of Self Consolidating Steel Fiber Reinforced Concrete Beams." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23101.

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When subjected to a combination of moment and shear force, a reinforced concrete (RC) beam with either little or no transverse reinforcement can fail in shear before reaching its full flexural strength. This type of failure is sudden in nature and usually disastrous because it does not give sufficient warning prior to collapse. To prevent this type of shear failure, reinforced concrete beams are traditionally reinforced with stirrups. However, the use of stirrups is not always cost effective since it increases labor costs, and can make casting concrete difficult in situations where closely-spaced stirrups are required. The use of steel fiber reinforced concrete (SFRC) could be considered as a potential alternative to the use of traditional shear reinforcement. Concrete is very weak and brittle in tension, SFRC transforms this behaviour and improves the diagonal tension capacity of concrete and thus can result in significant enhancements in shear capacity. However, one of the drawbacks associated with SFRC is that the addition of fibers to a regular concrete mix can cause problems in workability. The use of self-consolidating concrete (SCC) is an innovative solution to this problem and can result in improved workability when fibers are added to the mix. The thesis presents the experimental results from tests on twelve slender self-consolidating fiber reinforced concrete (SCFRC) beams tested under four-point loading. The results demonstrate the combined use of SCC and steel fibers can improve the shear resistance of reinforced concrete beams, enhance crack control and can promote flexural ductility. Despite extensive research, there is a lack of accurate and reliable design guidelines for the use of SFRC in beams. This study presents a rational model which can accurately predict the shear resistance of steel fiber reinforced concrete beams. The thesis also proposes a safe and reliable equation which can be used for the shear design of SFRC beams.
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Liu, Cong. "Seismic behaviour of beam-column joint subassemblies reinforced with steel fibres." Thesis, University of Canterbury. Civil Engineering, 2006. http://hdl.handle.net/10092/1118.

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High performance cementitious composites have been increasingly used for a range of structural applications in many countries. More recently, a notable interest has been focused on structural performance under seismic loading. However, a critical lack of coherent information and experimental/numerical data available in the literature has to be recognized along with the absence of specific and well-accepted code-guidelines for use of FRC in seismic applications. More specifically, when dealing with seismic resistant frame systems, few researchers have investigated in the past the seismic response of beam-column joints reinforced with steel fibres. These preliminary experimental tests have shown that adding steel fibres in joints is an effective method for improving joint behaviour and energy absorption capacity as well as enhancing the damage tolerance of joints and reducing the number of stirrups in seismic joints. However, due to the limited number of experimental tests as well as of the wide dispersion in the type and mechanical properties of the fibres adopted in these independent researches, the actual contributions of concrete, steel fibres and stirrups to the overall joint shear capacity has not yet been clearly identified and understood. This research aims to investigate the seismic behaviour and failure modes of beam-column joint subassemblies reinforced with steel fibres with the intent to provide preliminary suggestions for a simple but rational analytical procedure to evaluate the joint shear strength when either fibres and/or stirrups are adopted. As part of a more comprehensive on-going research campaign on the seismic behaviour of FRC members and systems, six 2-D exterior beam-column joint subassemblies were tested under simulated seismic loading (quasi-static cyclic loading regime) at the Civil Engineering Laboratory of the University of Canterbury. In order to assess the contribution of steel fibres to the joint (panel zone) shear strength, both under-designed systems (with no transverse reinforcement in the joint, following older practice before the pre-1970s) and well designed systems (following the NZ concrete design standard NZS 3101:1995) were adopted as benchmark specimens. The performance of steel fibre reinforced beam-column joints were compared with that of conventional joints. Results showed that using steel fibre reinforced concrete (SFRC) within beam-column joints can significantly enhance the shear resistance capacity of joints. However, using steel fibre reinforcement alone can not prevent buckling of the reinforcing bars when joints are under high intensity seismic loading. Furthermore, the test results also showed that using steel fibre reinforcement is an effective method to reduce the lateral reinforcement in the beam plastic hinge region. As part of the analytical investigation, a simplified procedure to evaluate the joint shear contribution provided by different amounts of fibres with or without the presence of stirrups has been also introduced. Influence of the axial load on the joint nominal shear capacity has been accounted for by adopting principle stresses. Tentative strength degradation curves (principle tensile stress vs. shear deformation) have also been calibrated on the experimental data which confirmed that a tentative relationship between the joint shear contributions provided by concrete, stirrups and steel fibres was a viable tool for designing SFRC joint. Furthermore, joint shear resistance coefficient contributed by steel fibres has been compared with previous experimental test available in literature to obtain an appropriate value for SFRC joint design guidelines. M_N performance based domain visualization has also been used to evaluate the hierarchy of strength and sequence of events of beam-column joint subassemblies.
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Tian, Shichuan. "Shear behaviour of ferrocement deep beams." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/shear-behaviour-of-ferrocement-deep-beams(88ca7d6e-e285-4ec6-8741-da3f89047bde).html.

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This thesis presents the results of an experimental, numerical and analytical study to develop a design method to calculate shear resistance of flanged ferrocement beams with vertical mesh reinforcements in the web. Two groups of full-scale testing were conducted comprising of three I beams and four U beams. The I beams had the same geometry and reinforcement arrangements, but differed in the matrix strength or shear span to depth ratio. The U beams differed in web and flange thickness, reinforcement arrangements, matrix strength and shear span to depth ratio. The experimental data were used for validation of finite element models which had been developed using the ABAQUS software. The validated models were subsequently employed to conduct a comprehensive parametric study to investigate the effects of a number of design parameters, including the effect of matrix strength, shear span to depth ratio, cross sectional area, length of clear span, volume fraction of meshes and amount of rebar. The main conclusion from the experiments and parametric studies were: shear failure may occur only when the shear span to depth ratio is smaller than 1.5; the shear strength may increase by increasing the matrix strength, volume fraction of meshes, cross sectional area and amount of rebar. The main type of shear failure for I beams was diagonal splitting while for U beams it was shear flexural. Based on the results from the experimental and numerical studies, a shear design guide for ferrocement beams was developed. A set of empirical equations for the two different failure types and an improved strut-and-tie were proposed. By comparison with the procedures currently in practice, it is demonstrated that the methodology proposed in this thesis is likely to give much better predictions for shear capacity of flanged ferrocement beams.
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Ismail, Kamaran Sulaiman. "Shear behaviour of reinforced concrete deep beams." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/12600/.

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RC deep beams are key safety critical structural systems carrying heavy loads over short span, such as transfer girders in tall buildings and bridges. Current design provisions in codes of practice fail to predict accurately and reliably the shear capacity of RC deep beams and in some cases they are unsafe. This work aims to develop a better understanding of the behaviour of RC deep beams and governing parameters, and to improve existing design methods to more accurately predict the shear capacity of such members. An extensive experimental programme examining 24 RC deep beams is carried out. The investigated parameters include concrete strength, shear span to depth ratio, shear reinforcement and member depth. To develop a better insight on the distribution and magnitude of developed stresses in the shear span, finite element analysis is also performed. The microplane model M4 is implemented as a VUMAT code in ABAQUS to represent the behaviour of concrete in a more reliable manner and validated against experimental tests on RC deep beams. This model is utilised in a parametric study to further investigate the effect of concrete strength, shear span to depth ratio and shear reinforcement. The experimental and numerical results show that concrete strength and shear span to depth ratio are the two most important parameters in controlling the behaviour of RC deep beams, and that shear strength is size dependent. The analysis also shows that minimum amount of shear reinforcement can increase the shear capacity of RC deep beams by around 20% but more shear reinforcement does not provide significant additional capacity. A lateral tensile strain based effectiveness factor is proposed to estimate the strength of the inclined strut to be used in strut-and-tie model. Additionally, node factors to estimate the developed strength in different type of nodes are proposed. The proposed model is evaluated against a large experimental database and the results show that it yields more accurate and reliable results than any of the existing models. The model is characterized by the lowest standard deviations of 0.26 for both RC deep beams with and without shear reinforcement and accounts more accurately for all influencing parameters.
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Massam, Laurent. "The behaviour of GFRP-reinforced concrete beams in shear." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/mq62954.pdf.

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Al-Juboori, Wissam Sadeq. "The shear behaviour of concrete beams strengthened with CFRP." Thesis, University of Salford, 2011. http://usir.salford.ac.uk/26523/.

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A recent innovation for the shear strengthening of reinforced concrete (RC) beams is to externally bond Carbon Fibre Reinforced Polymer (CFRP) composite plates or strips. This technique has become popular because of the many advantages of CFRP composites such as: high strength-to-weight ratio, good corrosion resistance, and versatility in coping with different sectional shapes and corners. This study focuses on shear strengthening of structural members using CFRP. The understanding of concrete structures designed for strengthening in shear is still an area where uniform design rules do not exist or are treated very briefly. The research programme to study the shear contribution of externally bonded CFRP sheets/strips of RC beams includes laboratory tests of more than twenty-nine beam samples (of an original conceptual model incorporating a shear plane) with beams of different materials: nine aluminium beams, twenty concrete beams, and some timber beams for initial studies. There are twenty-six pure tensile laboratory tests to study bond behaviour between the parent material and CFRP. In addition, there are six pure shear specimens and tests to determine other material properties. The numerical analyses employ the finite element method and many numerical models are developed for simulation of the contribution of the CFRP for shear strengthening and bond strength. On completion of the experimental programme and FE analyses, the resulting information is used to formulate a new proposal for shear strengthening of concrete beams using CFRP. The bond strengths predicted using existing methods and new proposals from this study are compared with experimental data of this study and previous studies, demonstrating that the new proposals are valid and offer improvement over existing methods.
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趙作周 and Zuozhou Zhao. "Nonlinear behaviour of reinforced concrete coupling beams." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31243927.

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Zhao, Zuozhou. "Nonlinear behaviour of reinforced concrete coupling beams /." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23589395.

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Khatab, Mahmoud A. T. "Behaviour of continuously supported self-compacting concrete deep beams." Thesis, University of Bradford, 2016. http://hdl.handle.net/10454/14628.

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The present research is conducted to investigate the structural behaviour of continuously supported deep beams made with SCC. A series of tests on eight reinforced two-span continuous deep beams made with SCC was performed. The main parameters investigated were the shear span-to-depth ratio, the amount and configuration of web reinforcement and the main longitudinal reinforcement ratio. All beams failed due to a major diagonal crack formed between the applied mid-span load and the intermediate support separating the beam into two blocks: the first one rotated around the end support leaving the rest of the beam fixed on the other two supports. The amount and configuration of web reinforcement had a major effect in controlling the shear capacity of SCC continuous deep beams. The shear provisions of the ACI 318M-11 reasonably predicted the load capacity of SCC continuous deep beams. The strut-and-tie model recommended by different design codes showed conservative results for all SCC continuous deep beams. The ACI Building Code (ACI 318M-11) predictions were more accurate than those of the EC2 and Canadian Code (CSA23.3-04). The proposed effectiveness factor equations for the strut-and-tie model showed accurate predictions compared to the experimental results. The different equations of the effectiveness factor used in upper-bound analysis can reasonably be applied to the prediction of the load capacity of continuously supported SCC deep beams although they were proposed for normal concrete (NC). The proposed three dimensional FE model accurately predicted the failure modes, the load capacity and the load-deflection response of the beams tested.
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Mahmoud, Karam Abdou Awad. "Shear behaviour of continuous concrete beams reinforced with GFRP bars." ASCE, 2015. http://hdl.handle.net/1993/30951.

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Continuous beams represent main structural elements in most reinforced concrete (RC) structures such as parking garages and overpass bridges. Deterioration of such structures due to corrosion of steel reinforcement is common in North America. To overcome the corrosion problems, the use of fiber-reinforced polymer (FRP) bars and stirrups becomes a viable alternative to steel reinforcement. However, to date, the shear behaviour of FRP-RC continuous beams has not been explored yet. As such, the objective of this study is to investigate the shear behaviour of such beams. In this study, twenty four full-scale continuous concrete beams were constructed and tested. The test beams had rectangular cross section with 200-mm width and a height of 300, 550 or 850 mm and were continuous over two equal spans. The main investigated parameters were concrete strength, type and ratio of longitudinal reinforcement, type and ratio of transverse reinforcement and beam effective depth. Moreover, a 3-D nonlinear finite element model (FEM) was constructed to simulate the behaviour of FRP-RC continuous beams. The model was verified against the experimental results and validated against test results from previous studies. Then, the verified/validated model was used to conduct a parametric study to investigate the effect of a wide range of the parameters on the shear behaviour of GFRP-RC beams. The experimental and FEM results showed that shear-critical GFRP-RC continuous beams exhibited moment redistribution. Also, it was observed that increasing the concrete strength and the longitudinal reinforcement ratio increased the shear strength significantly. Moreover, the presence of GFRP stirrups significantly enhanced the shear strength of the tested beams. Regarding the size effect, test results showed that there was adverse or no size effect on the shear strength of GFRP-RC continuous beams when they failed in the interior shear span while beams failed in the exterior shear span exhibited clear size effect. Furthermore, a comparison between the test results and the provisions of the available models and FRP standards and design guidelines in North America revealed that these design provisions can be safely applied to continuous beams.<br>February 2016
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Books on the topic "Shear Behaviour of SFRC Beams"

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Franchuk, Cameron R. Block shear behaviour of coped steel beams. Dept. of Civil and Environmental Engineering, University of Alberta, 2002.

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Massam, Laurent. The behaviour of GFRP reinforced concrete beams in shear. National Library of Canada, 2001.

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Gupta, Pawan R. Shear behaviour of reinforced concrete beams subjected to high axial compression. National Library of Canada = Bibliothèque nationale du Canada, 1993.

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Deniaud, Christophe. Behaviour of reinforced concrete beams strengthened in shear with FRP sheets. Dept. of Civil and Environmental Engineering, University of Alberta, 2000.

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Thomas, David Andrew Bernard. The behaviour of composite beams with profiled steel sheeting and shot-fired shear connectors. University of Salford, 1989.

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Zarrog, Zarrog Mohammed. Shear behaviour of reinforced concrete beams: The study of deep beams (DRC) strengthened with externally bonded carbon fibre reinforced plastic (CFRP) sheets. University of Wolverhampton, 2002.

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Bessioud, Mohammed Salah. Behaviour of headed-stud shear connectors in composite L-beams. 1988.

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Shear Behaviour of Hybrid Fibre Reinforced Geo Polymer Concrete Beams. ASDF International, 2017.

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Rahal, Khaldoun Najib. The behaviour of reinforced concrete beams subjected to combined shear and torsion. 1993.

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Book chapters on the topic "Shear Behaviour of SFRC Beams"

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Kaufmann, Walter. "Behaviour of Beams in Shear." In Strength and Deformations of Structural Concrete Subjected to In-Plane Shear and Normal Forces. Birkhäuser Basel, 1998. http://dx.doi.org/10.1007/978-3-0348-7612-4_6.

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Randl, Norbert, Tamás Mészöly, and Peter Harsányi. "Shear Behaviour of UHPC Beams with Varying Degrees of Fibre and Shear Reinforcement." In High Tech Concrete: Where Technology and Engineering Meet. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_60.

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Visser, Divan, and William P. Boshoff. "Shear Behaviour of V-shape Webbed Steel Fibre Reinforced Concrete Beams." In RILEM Bookseries. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-83719-8_42.

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Mihaylov, Boyan I., and Renaud Franssen. "Macro-Kinematic Approach for Shear Behaviour of Short Coupling Beams with Conventional Reinforcement." In High Tech Concrete: Where Technology and Engineering Meet. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_133.

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Ranzi, Gianluca, Graziano Leoni, Raymond Ian Gilbert, Luigino Dezi, and Riccardo Zandonini. "State-of-the-art review on the time-dependent behaviour of composite steel-concrete beams." In Time-dependent behaviour and design of composite steel-concrete structures. International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/sed018.ch4.

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&lt;p&gt;This chapter provides an overview of the work carried out to date on the long-term behaviour of composite steel-concrete beams. In the first part of the chapter, a description of the components forming a composite member is presented. This is followed by an outline of the main kinematic concepts, such as full and partial shear interaction, that influence the structural response of this form of construction due to the flexibility of the shear connection provided between the concrete and steel components. The review of the work performed on the time-dependent behaviour of concrete and its influence on the long-term structural response of composite beams for building and bridge applications is then presented. The modelling and experimental work considered in the review highlights the importance of considering concrete time effects, when predicting the in-service response of composite beams.&lt;/p&gt;
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Banjara, Nawal Kishor, K. Ramanjaneyulu, Saptarshi Sasmal, and V. Srinivas. "Experimental Investigations on Behaviour of Shear Deficient Reinforced Concrete Beams Under Monotonic and Fatigue Loading." In Advances in Structural Engineering. Springer India, 2015. http://dx.doi.org/10.1007/978-81-322-2187-6_174.

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Recupero, A., P. Colajanni, and N. Spinella. "A model for SFRC beams without shear reinforcement." In Tailor Made Concrete Structures. CRC Press, 2008. http://dx.doi.org/10.1201/9781439828410.ch102.

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DUPONT, David, and Lucie VANDEWALLE. "THE CRACKING BEHAVIOUR OF SFRC BEAMS CONTAINING LONGITUDINAL REINFORCEMENT." In Brittle Matrix Composites 7. Elsevier, 2003. http://dx.doi.org/10.1533/9780857093103.253.

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Chandran, Anjana A., and K. Girija. "Shear flexural behaviour of high strength concrete beams." In Recent Advances in Materials, Mechanics and Management. CRC Press, 2019. http://dx.doi.org/10.1201/9781351227544-22.

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Randl, Norbert, and Tamás Mészöly. "Fibre effect on shear behaviour of UHPC beams." In fib Bulletin 95. Fibre Reinforced Concrete: From Design to Structural Applications. fib. The International Federation for Structural Concrete, 2020. http://dx.doi.org/10.35789/fib.bull.0095.ch53.

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Conference papers on the topic "Shear Behaviour of SFRC Beams"

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Colajanni, Piero, Antonino Recupero, Nino Spinella, Adolfo Santini, and Nicola Moraci. "Shear Strength Prediction By Modified Plasticity Theory For SFRC Beams." In 2008 SEISMIC ENGINEERING CONFERENCE: Commemorating the 1908 Messina and Reggio Calabria Earthquake. AIP, 2008. http://dx.doi.org/10.1063/1.2963928.

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Colajanni, Piero, Lidia La Mendola, Salvatore Priolo, Nino Spinella, Adolfo Santini, and Nicola Moraci. "Experimental Tests and FEM Model for SFRC Beams under Flexural and Shear Loads." In 2008 SEISMIC ENGINEERING CONFERENCE: Commemorating the 1908 Messina and Reggio Calabria Earthquake. AIP, 2008. http://dx.doi.org/10.1063/1.2963926.

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Erdem, E. "The flexural behaviour of SFRC beams and slabs : bending with (sigma-epsilon) method." In International RILEM Workshop on Test and Design Methods for Steelfibre Reinforced Concrete. RILEM Publications SARL, 2003. http://dx.doi.org/10.1617/2351580168.005.

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WALD, Frantisek Emanuel, Tesfamariam Arha, Vladimir Křístek, et al. "To shear failure of steel and fibre-reinforced concrete circular hollow section composite column at elevated temperature." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.7201.

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This study predicts the shear strength of steel fibre reinforced concrete (SFRC) members at elevated temperature using numerical modelling. The authors derived the stress-strain relation in the pure shear mode at ambient temperature based on a damage model calibrated at ambient and elevated temperatures. The model was validated on the special experimental arrangement for the pure shear mode of the SFRC in torsion. These results enables to determine the stress-strain diagram at elevated temperature. The shear strength of SFRC is compared with the compressive and tensile strength and used to observe reasons for experimentally observed failure model. The work is a part of comprehensive project focused on development of design models for the steel and SFRC composite columns with circular hollow section (CHS) at elevated temperature. Research includes two levels accuracy/complexity, allowing simplified or advanced approach to design following the coming changes in European standard for composite member design in fire, EN1994-1-2:2021. Experimental studies of the project include mechanical material tests of heated fibre-concrete samples in tension and compression, thermal uniform and non-uniform tests of insulated fragments of CHS and tests of full scale SFRC CHS columns in steady-state and transient-state regimes. Developing advanced FEM simulation of global mechanical behaviour of SFRC CHS columns is a multi-levelled composite mechanical and thermo-model and provide numerous numerical experiments. Together with steel material model in fire, validated FEM model of mechanical behaviour of fibre-reinforce concrete at elevated temperature is performed. Validated simplified and advanced thermal model of SFRC in CHS at elevated temperature gives temperature fields and moisture distribution inside section which depends on direction, heat flux, sizes and gives possibility to model different fire cases of full-scale columns in bending, shear, and buckling at elevated temperature. Proposed analytical and simplified FEM mechanical model of column is taking into account degradation of mechanical properties, analytical models of transfer of heat inside the column section and provides simple solutions for designers.
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Abas, Fairul, Mark A. Bradford, Stephen J. Foster, and R. Ian Gilbert. "Shear-Bond Behaviour of Steel-Fibre Reinforced Concrete (SFRC) Composite Slabs with Deep Trapezoidal Decking: Experimental Study." In International Conference on Composite Construction in Steel and Concrete 2013. American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479735.043.

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Lam, Dennis, Xianghe Dai, and Eleonora Saveri. "Behaviour of Demountable Shear Connectors in Steel-Concrete Composite Beams." In International Conference on Composite Construction in Steel and Concrete 2013. American Society of Civil Engineers, 2016. http://dx.doi.org/10.1061/9780784479735.047.

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Sheehan, Therese, Xianghe Dai, Jie Yang, Kan Zhou, and Dennis Lam. "Flexural behaviour of composite slim floor beams." In 12th international conference on ‘Advances in Steel-Concrete Composite Structures’ - ASCCS 2018. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/asccs2018.2018.6963.

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Composite slim floor beams comprise a steel section embedded in a concrete slab, offering the advantages of a steel-concrete composite structure combined with a reduced floor depth. Several mechanisms contribute to the shear connection in this type of beam, such as headed studs, friction and clamping effects and the using of reinforcement bars passing through holes in the steel beam web. However, to date, nobody has systematically identified these mechanisms and Eurocode 4 does not provide specific design guidance for slim floor beams. Hence, a series of shear beam tests and flexural beam tests were carried out in order to assess the degree of shear connection and connector capacity in these beams. The test set-up is described including different arrangements of shear connectors for each specimen. The paper presents the findings from the flexural beam tests. The results are compared with those from the previous shear beam tests. Numerical models will be developed in future to extend the data and include a wider range of parameters. The data will also be used to improve understanding of this type of beam and will lead to the provision of specific design guidelines for slim floor beams.
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Huber, Tobias, Patrick Huber, Johann Kollegger, and Markus Vill. "Load carrying behaviour of beams with bent-up bars as shear reinforcement." In IABSE Symposium, Vancouver 2017: Engineering the Future. International Association for Bridge and Structural Engineering (IABSE), 2017. http://dx.doi.org/10.2749/vancouver.2017.0096.

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Manos, George, Konstantinos Katakalos, and Marios Theofanous. "EXPERIMENTAL INVESTIGATION AND NUMERICAL SIMULATION OF SHEAR BEHAVIOUR OF RC T-BEAM SPECIMENS WITH OR WITHOUT SFRP-STRIPS UNDER CYCLIC LOADING." In 5th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering Methods in Structural Dynamics and Earthquake Engineering. Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2015. http://dx.doi.org/10.7712/120115.3410.790.

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Bärtschi, Roland, and Mario Fontana. "Composite Beams with Nonlinear Material and Connector Behaviour for Low Degrees of Partial Shear Connection." In Fifth International Conference on Composite Construction in Steel and Concrete. American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40826(186)54.

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