Academic literature on the topic 'Punching Shear'

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Journal articles on the topic "Punching Shear"

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Wen Jing, Dickson Fong, and Lau Teck Leong. "Effect of Aggregate Size on Punching Strength of Reinforced Concrete Slabs." Applied Mechanics and Materials 835 (May 2016): 450–54. http://dx.doi.org/10.4028/www.scientific.net/amm.835.450.

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This paper reports test results of flat slab cast from micro-concrete and normal concrete subjected to concentric punching shear. Although the punching shear failure mechanism of micro-concrete slabs was very similar to that of normal-concrete slabs, the punching shear capacity is reduced to about 73% due to the reduction in transferred shear stresses across shear cracks by aggregate interlock. Therefore, a shear retention factor of 0.7 is suggested to be applied in estimating the punching shear strength of micro-concrete slabs.
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Bujňáková, Petra, and Jakub Mečár. "Optimization of a flat slab with different type of punching reinforcement." Pollack Periodica 16, no. 1 (March 25, 2021): 52–57. http://dx.doi.org/10.1556/606.2020.00256.

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AbstractSeveral types of punching shear reinforcements are available for increase of the maximum resistance against punching shear failure of flat slabs. Conventional punching shear reinforcement in form of stirrups or double headed studs are in use for decades. They are well known due to their simplicity and good performance. A new type of punching reinforcement has been developed for the case, where the flat slab exposed to extreme load and resistance of conventional type of punching shear reinforcement is not sufficient. Another designs point out that new construction system can reduce the amount of CO2. This paper presents some results of parametric study focused on design of the flat slab using different types of punching shear reinforcement and considering the concrete consumption.
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PEREIRA FILHO, M. J. M., M. V. P. FREITAS, D. F. A. SANTOS, A. J. C. NASCIMENTO, and M. P. FERREIRA. "Slabs strengthened for punching shear with post-installed steel and CFRP connectors." Revista IBRACON de Estruturas e Materiais 12, no. 3 (June 2019): 445–78. http://dx.doi.org/10.1590/s1983-41952019000300002.

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Abstract Structural accidents due to punching shear failures have been reported in flat slab buildings. Design recommendations presented by codes can lead to entirely different punching shear resistance estimates for similar situations. Furthermore, design codes do not present guidelines for the design of punching shear strengthening of existing slabs. This paper uses a database with 118 experimental results to discuss the performance of theoretical estimates of punching shear resistance using ACI 318, Eurocode 2 and ABNT NBR 6118 in the case of slabs without shear reinforcement. Another database with results of 62 tests on slabs strengthened with post-installed steel and CFRP dowels is used to evaluate the performance of these strengthening techniques and to propose adaptations in codes to allow their use in punching shear strengthening situations of existing slab-column connections.
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Wu, Linfeng, Tiancan Huang, Yili Tong, and Shixue Liang. "A Modified Compression Field Theory Based Analytical Model of RC Slab-Column Joint without Punching Shear Reinforcement." Buildings 12, no. 2 (February 17, 2022): 226. http://dx.doi.org/10.3390/buildings12020226.

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RC slab–column structures are widely used because of the advantages of small space occupation for horizontal members, easy construction and good economy. However, slab–column joints are prone to punching shear failures, which deteriorates structural safety. This paper provides an analytical model to predict the punching shear capacity of the RC slab–column joint. A database of 251 test results is established for the shear punching capacity of slab–column joints without punching shear reinforcement. The performance of existing design codes in predicting the shear resistance of slab–column joints is investigated and compared based on the database. Then, based on the modified compression field theory (MCFT) model, an equation for calculating the punching shear resistance of slab–column joints without punching shear reinforcement is established. The prediction results of the analytical model are enhanced by using the regression analysis method. The model proposed in this paper is based on both reliable theoretical and the summary of a large number of test results, which has higher prediction accuracy than the design codes.
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Ahmed, Ebada, Boshra Eltaly, Fatma El-Zhraa, and Magdy Tayel. "Resisting punching shear stress in reinforced concrete slabs." MATEC Web of Conferences 162 (2018): 04025. http://dx.doi.org/10.1051/matecconf/201816204025.

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Punching shear failure is a major problem encountered in the design of reinforced concrete flat slabs. The utilization of shear reinforcement via shear studs or other means has become a choice for improving the punching shear capacity. In this study, a new alternative of reinforcement modalities were tested and demonstrated the effect of self-compact concrete on the punching shear capacity, beside that compared between the difference codes to identify the suitable one for determining the position of critical section of punching shear. Nevertheless, in this investigation, the proposed reinforcement system is examined for interior columns only. An experimental work consisting of six specimens: five of them were cast with normal reinforced concrete and one was cast with self-compact strength concrete. The obtained results indicate that the proposed shear reinforcement system has a positive effect in the enhancement of the punching shear capacity of interior slab–column connection of self-compact strength concrete.
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Majtánová, Lucia, Jaroslav Halvonik, and Ján Hanzel. "The Maximum Punching Capacity of Flat Slabs." Solid State Phenomena 259 (May 2017): 232–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.259.232.

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Two ways how to determine maximum punching resistance of flat slabs with shear reinforcement are currently used. The first way is verification of the concrete strut capacity at the column periphery defined as VRd,max. The second limit is defined as kmax multiple of the punching shear resistance without shear reinforcement VRd,c. The values of kmax are proposed usually in between 1.4 and 2.0. Results of the experimental tests are presented in the paper that were focused on above mentioned limits, whether failure of the struts can precede any other form of punching failure that is limited by kmax*VRd,c. Two experimental slab samples reinforced with high amount of shear reinforcement that increased punching capacity above capacity of the concrete struts were tested together with two slab samples cast without shear reinforcement. Comparison has shown that punching resistance of flat slab with shear reinforcement has been 1.7 times higher than resistance without shear reinforcement. While some standards allow for use kmax value of 1.9 in this case. This indicates that limits based only on the kmax factors may overestimate actual maximum punching shear resistance.
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Megally, Sami, and Amin Ghali. "Seismic behavior of slab-column connections." Canadian Journal of Civil Engineering 27, no. 1 (February 15, 2000): 84–100. http://dx.doi.org/10.1139/l99-052.

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Brittle punching failure of flat plates can occur as a result of transfer of shearing forces and unbalanced moments between slabs and columns. During an earthquake, the unbalanced moments transferred between slabs and columns can produce significant shear stresses that increase the likelihood of brittle failure. This brittle punching failure mode must be avoided for seismic-resistant flat plate structures. The most common punching strengthening methods are provision of the slab-column connections with drop panels or shear reinforcement or use of high strength concrete in the slab at the vicinity of the connections. This paper compares the effect of these punching strengthening methods on the ductility of slab-column connections. The results of a part of an extensive experimental program conducted on edge slab-column connections, without and with shear reinforcement, are presented. The experiments show that provision of stud shear reinforcement results in seismic-resistant slab-column connections, in which brittle punching failure is avoided in severe earthquakes. The connections with stud shear reinforcement can undergo ductile deformations associated with up to 5% lateral interstorey drift ratio, without loss of resistance to punching due to gravity loads. Key words: concrete design, ductility, energy dissipation, flat slabs, lateral drift, moment transfer, punching, seismic, shear strength, slab-column connections, stiffness, stud shear reinforcement.
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Qadan, Hani, Amjad A. Yasin, Ahmad B. Malkawi, and Muhmmad I. M. Rjoub. "Punching Shear Strength Prediction for Reinforced Concrete Flat Slabs without Shear Reinforcement." Civil Engineering Journal 8, no. 1 (January 1, 2022): 167–80. http://dx.doi.org/10.28991/cej-2022-08-01-013.

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Failure of flat slabs usually occurs by punching shear mode. Current structural codes provide an experience-based design provision for punching shear strength which is often associated with high bias and variance. This paper investigates the effect of adding a horizontal reinforcement mesh at the top of the slab-column connection zone on punching the shear strength of flat slabs. A new equation considering the effect of adding this mesh was proposed to determine the punching shear strength. The proposed equation is based on the Critical Shear Crack Theory combined with the analysis of results extracted from previous experimental and theoretical studies. Moreover, the equation of load-rotation curves for different steel ratios together with the failure criterion curves were evaluated to get the design points. The investigated parameters were the slab thicknesses and dimensions, concrete strengths, size of the supporting column, and steel ratios. The model was validated using a new set of specimens and the results were also compared with the predictions of different international design codes (ACI318, BS8110, AS3600, and Eurocode 2). Statistical analysis provides that the proposed equation can predict the punching shear strength with a level of high accuracy (Mean Square Error =2.5%, Standard Deviation =0.104, Mean=1.0) and over a wide range of reinforcement ratios and compressive strengths of concrete. Most of the predictions were conservative with an underestimation rate of 12%. Doi: 10.28991/CEJ-2022-08-01-013 Full Text: PDF
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Fillo, Ľudovít, Tomáš Augustín, Veronika Knapcová, and Jana Vaskova. "Punching Resistance Verification of Footings." Solid State Phenomena 249 (April 2016): 179–84. http://dx.doi.org/10.4028/www.scientific.net/ssp.249.179.

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The presented paper will bring new aspects of punching resistance verification of concrete column footings and foundation slabs coming from influence of ground stresses distribution on punching verification of flat footings and from new design criteria which depend on the maximum punching resistance defined from crushing of concrete struts (a criterion for limitation of maximum shear forces at the vicinity of the columns) and on the maximum punching resistance defined from shear-bending failure with shear reinforcement, limited by coefficient kmax.
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Chen, Cheng-Chih, and Shun-Long Chen. "Strengthening of Reinforced Concrete Slab-Column Connections with Carbon Fiber Reinforced Polymer Laminates." Applied Sciences 10, no. 1 (December 30, 2019): 265. http://dx.doi.org/10.3390/app10010265.

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This study presents the structural behavior and punching shear strength of the concrete slab-column connections strengthened with carbon fiber reinforced polymer (CFRP) laminates. The variables considered for the twelve specimens included the compressive strength of the concrete, the ratio of the tensile steel reinforcement, and the amount of the CFRP laminates. Square concrete slabs were simply supported along four edges. During the test, monotonically concentrated load was applied to the stub column located at the center of the slab. The punching shear strength, stiffness, and mode of failure were investigated. Test results demonstrated that increasing the compressive strength of concrete, ratio of the steel reinforcement, and amount of the CFRP laminates led to an increase in the punching shear strength of the slabs. Moreover, the CFRP laminates were effective in appreciably increasing the punching shear strength of the slab-column connections. An analytical approach was conducted to calculate the punching shear strength of the slab-column connections strengthened with CFRP laminates. Based on the theory of reinforced concrete members, the application of the CFRP laminates increased the flexural strength of the slab and resulted in an increase of the effective depth of the slab section. Consequently, the punching shear strength was increased. The results of the analytical calculation revealed that the analytical work accurately predicted the experimental punching shear strength.
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Dissertations / Theses on the topic "Punching Shear"

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Lyčka, Lukáš. "Punching Shear of Flat Slabs." Doctoral thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-408019.

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The use of flat slabs in constructions due to its many functional and economic advantages is wide-spread. Behavior of flat slabs in shear and flexure is a fairly complex problem. Therefore, the punching shear failure belongs to one of the most critical aspects in the design of concrete buildings. Over the last decades several buildings have collapsed due to the failure of the punching shear strength, resulting in loss of lives and financial damages. These disasters revealed gaps in the current (or former) design codes and recommendations. As a part of theoretical framework of the dissertation a method for predicting the punching shear strength of flat slabs was developed. Several experiments on scaled down slabs were conducted in order to verify the proposed method and for optimization of its parameters. Proposed method in development predicts the punching shear for slabs without shear reinforcement according to the EC2 and replaces the area of the shear crack with a system of struts and ties.
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Shao, Xiao-yun. "Punching shear strength of reinforced concrete slab." Thesis, University of Ottawa (Canada), 1993. http://hdl.handle.net/10393/10727.

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This thesis presents the results of punching shear tests performed on a 2 x 2 bay continuous slab with/and without supplementary supports. On the basis of these tests, the code method of calculating the ultimate strength of interior, edge and corner column connections of flat slab were investigated. The thickness of the specimen was 140 mm and the spans length were 2743 mm. The ACI 318-89, BS 8110-85 and CEB-FIP 90 Codes were critically reviewed by comparing with the experiment results and results from the literature. It was found that in general the Code predictions are reasonable but for corner column connections the ACI Code over-estimates the ultimate shear capacity of the slab and BS 8110-85 requirements for edge and corner column connections are simplistic. The experimental results show that the supplementary supports can increase the ultimate punching shear capacity when the supports are properly located.
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Habibi, Farshad. "Post-punching shear response of two-way slabs." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110632.

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This thesis investigates the post-punching behaviour of reinforced concrete slab-column connections. Seven interior slab-column connections were tested to study the effects of slab thickness, the length of structural integrity reinforcing bars, the distribution of structural integrity reinforcement in slabs with rectangular columns and the placement of structural integrity reinforcement in slabs with drop panels. Results from this test series and from tests by other researchers were compared with predictions using the CSA A23.3-04 design equations for both punching shear and post-punching resistance. The test results demonstrated that the provision of structural integrity reinforcement in accordance with the requirements of CSA A23.3-04 resulted in significant post-punching resistance and the design equations provide a reasonable estimate of this resistance. In addition, an analytical model for predicting the post-punching shear response of slab-column connections is presented which accounts for the individual contributions of each layer of top reinforcement and each layer of the structural integrity reinforcement. The contribution of each layer of top and integrity reinforcement is governed by three different failure modes, including rupture of the bars, concrete breakout of the bars and pullout of the bars. The predictions are compared with experimental results and the results obtained by the CSA A23.3 Standard design method. There was a good agreement between the predicted results and the experimental results.
Cette thèse examine le comportement après poinçonnement des raccords dalle-colonne en béton armé dans le but de fournir le renforcement adéquat pour assurer l'intégrité structurale. Les résultats d'essais sur sept raccords dalle-colonne intérieurs sont présentés. L'étude portait sur les effets de l'épaisseur de la dalle, de la longueur des barres d'armature pour l'intégrité structurale, de la distribution de l'armature d'intégrité structurale dans les dalles avec colonnes rectangulaires et sur le placement de l'armature d'intégrité structurale dans les dalles avec des goussets. Les résultats de cette série d'essai et ceux d'autres chercheurs ont été comparés aux prévisions des équations de calcul de la norme CSA A23.3-04 pour le cisaillement par poinçonnement et la résistance après poinçonnement. Les résultats des essais montrent que la clause d'armature d'intégrité structurale selon les exigences de la norme CSA A23.3-04 produit une résistance importante après poinçonnement; les équations de calcul ont également fourni une estimation raisonnable de cette résistance. De plus, un modèle analytique permettant de prédire la réponse post-poinçonnement des connexions dalle-poteau est présenté. Ce modèle tient compte de la contribution de chaque lit d'armatures supérieures et chaque lit d'armature d'intégrité structurale. Cette contribution des deux lits d'armature est dictée par trois modes de rupture : rupture des armatures, rupture tronconique du béton et rupture par défaut d'ancrage des armatures. Les prédictions du modèle sont comparées aux résultats expérimentaux et aux résultats obtenus à l'aide de la méthode de dimensionnement de la norme CSA. La corrélation entre les prédictions de la méthode et les résultats expérimentaux est excellente.
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Kennedy, Brian Wayne. "Punching shear of high-strength concrete slabs with perforations." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq21178.pdf.

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Xiang, Zhen Xian. "Punching shear strength of waffle slabs at internal columns." Thesis, University of Leeds, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367299.

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Harris, Devin K. "Characterization of Punching Shear Capacity of Thin Uhpc Plates." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/36366.

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UHPC (ultra-high performance concrete) is a relatively new type of concrete that exhibits mechanical properties that are far superior to those of conventional concrete and in some cases rival those of steel. The main characteristics that distinguish UHPC from conventional reinforced concrete are the improved compressive strength, the tensile strength, the addition of steel fibers, and the resistance to corrosion and degradation. The mechanical properties of UHPC allow for smaller, thinner, lighter sections to be designed while strength is maintained or improved. The use of UHPC has been limited to a few structural applications due to the high cost of the materials and the lack of established design guidelines. A proposed material model based on material and finite element models has served as the foundation of this research effort. The model was used to minimize the dimension of an optimum section in order to limit the material usage and maximize the performance. In the model, the top flange served as the riding surface and contained no reinforcing steel to resist shear. The lack of steel reinforcement allowed for the possibility of a punching shear failure to occur from the application of a point load such as a wheel tire patch load. The model and optimized section served as the foundation for this research, the characterization of punching shear capacity of thin UHPC plates. A total of 12 UHPC slabs were tested to failure to determine the boundary between a flexural failure and a punching shear failure. The variables considered were the slab thickness and loading plate dimensions. The results of the testing were compared to existing models for punching shears and other failure modes, with varying success. The test results aided in the development of a design equation for the prediction of punching shear in UHPC slabs. After evaluation of the test results, recommendations are made as to which model predicts the punching shear capacity of UHPC slabs and the minimum slab thickness required to prevent a punching shear failure.
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Aalto, Jonatan, and Elisabeth Neuman. "Comparison of Punching Shear Design Provisions for Flat Slabs." Thesis, KTH, Betongbyggnad, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-215631.

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Abstract A new generation of EN 1992-1-1 (2004) also known as Eurocode 2 is under development and currently there is a set of proposed provisions regarding section 6.4 about punching shear, PT1prEN 1992-1-1(2017). It was of interest to compare the proposal with the current punching shear design provisions. The aim of this master thesis was to compare the punching shear resistance obtained in accordance with both design codes. Furthermore the eect of some parameters on the resistance was to be compared. It was also of interest to evaluate the userfriendliness of the proposal. In order to meet the aim, a case study of a real  at slab with drop panels was performed together with a parametric study of a pure ctive  at slab. The parametric study was performed for inner, edge and corner columns in the cases prestressed, without and with shear reinforcement. It was concluded that the distance av from the column axis to the contra  exural location has a big in uence on the punching shear resistance. The factor ddg considering concrete type and aggregate properties also has a big impact on the resistance. The simplied estimation of av according to 6.4.3(2) in PT1prEN 1992-1-1 (2017) may be inaccurate in some cases. The length b0 of the control perimeter has a larger eect on the resistance in EN 1992-1-1 (2004) than in PT1prEN 1992-1-1 (2017). In PT1prEN 1992-1-1 (2017), studs located outside the second row has no impact on the resistance. The tensioning force in a prestressed  at slab has a larger in uence on the resistance in PT1prEN 1992-1-1 (2017) than in EN 1992-1-1 (2004). Furthermore, the reinforcement ratio is increased by the tendons, and thus aect the resistance in PT1prEN 1992-1-1 (2017). Clearer provisions for the denition of the support strip bs for corners and ends of walls are needed in PT1prEN 1992-1-1 (2017). It may be questionable if the reduction of the perimeter for a large supported area in accordance with 6.4.2(4) in PT1prEN 1992-1-1 (2017) underestimates the resistance v in some cases. Considering the work-load with PT1prEN 1992-1-1 (2017), more parameters are included. However, they may not require that much eort to obtain. Keywords: Punching shear, resistance, concrete,  at slab, design provisions, Eurocode 2, case study, parametric study, shear reinforcement, prestressed vi
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Tazaly, Zeinab. "Punching Shear Capacity of Fibre Reinforced Concrete Slabs with Conventional Reinforcement : Computational analysis of punching models." Thesis, KTH, Bro- och stålbyggnad, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-118825.

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Steel fibre reinforced concrete is not a novel concept, it has been around since the mid-1900s, but despite its great success in shotcrete-reinforced rock walls and industrial floors it has not made any impact on either beams or elevated slab. Apparently, the absence of standards is the main reason. However, the combination of steel fibre reinforced concrete and conventional reinforcement has in many researches shown to emphasize good bearing capacrty. In this thesis, two punching shear capacity models have been analysed and adapted on 136 test slabs perfomred by previous researchers. The first punching model altemative is proposed in DAfStB - BetonKalender 201l, and the second punching model alternative is established in Swedish Concrete Association - Report No. 4 1994. Due to missing information of the experimental measured residual tensile strength, a theoretical residual tensile strength was estimated in two different manners to be able to adapt the DAfStB punching model altemative on the refereed test slabs. The first solution is an derivation of a suggestion made by Silfiverbrand (2000) and the second solution is drawn from a proposal made by Choi etal. (2007). The result indicates that the SCA punching model alternative is easier to adapt and provides the most representative result. Also DAfStb altemative with the second solution of estimating the residual strength contributes to arbitrary result, however due to the uncertainty of the estimation of the residual tensile strength, the SCA punching model is recommended to be applied until further investigation can confirm the accuracy of the DAfStB alternative with experimentally obtained residual tensile strength.
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Li, Kevin Ka Lun 1975. "Influence of size on punching shear strength of concrete slabs." Thesis, McGill University, 2000. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=30259.

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The punching shear behaviour of interior slab-column connections in flat plates is investigated. The response of six two-way slab specimens, which were designed such that they would fail in punching shear, are presented. The parameter introduced in the experimental program is member depth. The effects of this parameter on the punching shear capacity of slab elements are investigated. The results show a strong "size effect", with deeper members having a smaller shear stresses at failure than shallow ones.
Test results obtained from this experimental program are compared with the punching shear predictions of the Canadian CSA A23.3-94 Standard, the American ACI 318-95 Code, the British BS 8110-85 Standard and the European CEB-FIP 1990 Model Code. Predictions were also made using computer program "Response 2000", assuming an equivalent beam analogy to represent the slab. It is concluded that the shear design of slabs, according to the current Canadian and American codes, can be unconservative under certain conditions, particularity for thick slabs. It is recommended that the punching shear expressions of the CSA Standard and the ACI Code be modified to take into account the "size effect" on the punching shear strength of slabs.
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Li, Kevin Ka Lun. "Influence of size on punching shear strength of concrete slabs." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0033/MQ64235.pdf.

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Books on the topic "Punching Shear"

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Samadian, Fariborz. Analysis for shear punching in flat slabs. London: Polytechnic of East London, 1992.

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Sissakis, Kyriakos. Strengthening concrete slabs for punching shear with CFRP laminates. Ottawa: National Library of Canada, 2002.

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Ieraci, John. The effects of high strength concrete and shear reinforcement detailing on the punching shear resistance of shell elements. Ottawa: National Library of Canada, 1994.

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Ng, Kee Ee. Effect of alkali silica reaction on the punching shear capacity of reinforced concrete slabs. Birmingham: University of Birmingham, 1991.

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Aci Committee 445--Shear and Torsion. Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005.

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Association, British Cement, and European Concrete Building Project, eds. Prefabricated punching shear reinforcement for reinforced concrete flat slabs. Crowthorne, Berkshire: British Cement Association, 2001.

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Guevara, Jose O. Punching shear strength of lightly reinforced isotropic bridge decks. 1990.

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Buckley, Michael Scott *. Punching shear in reinforced concrete shell elements: a pilot study. 1988.

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Meschino, Michael A. Preparations for the study of punching shear in thick reinforced concrete slabs. 1985.

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Punching shear resistance of lightweight concrete offshore structures for the Arctic: Literature review. Gaithersburg, MD: U.S. Dept. of Commerce, National Bureau of Standards, 1986.

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Book chapters on the topic "Punching Shear"

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Gu, Xianglin, Xianyu Jin, and Yong Zhou. "Punching Shear and Bearing." In Basic Principles of Concrete Structures, 385–414. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-48565-1_9.

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Joray, Dominic, and Martin Diggelmann. "Punching Shear Strengthening at the New Station Square in Berne, Switzerland." In Case Studies of Rehabilitation, Repair, Retrofitting, and Strengthening of Structures, 35–56. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2010. http://dx.doi.org/10.2749/sed012.0035.

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<p>The reinforced concrete slab of the reconstructed Station Square in Berne needed to be strengthened against punching shear. The case study led to the application of a newly developed post-installed punching shear reinforcement with inclined bonded bars.</p>
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Landler, Josef, and Oliver Fischer. "Punching Shear Resistance of SFRC Flat Slabs with and Without Punching Shear Reinforcement." In RILEM Bookseries, 492–503. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-83719-8_43.

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Dyngeland, T., K. V. Hoiseth, and E. Opheim. "Punching Shear of Reinforced Concrete Plates." In DIANA Computational Mechanics ‘84, 329–38. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1046-4_31.

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Francesconi, L., and L. Pani. "Punching shear strength of reinforced recycled concrete slabs." In Insights and Innovations in Structural Engineering, Mechanics and Computation, 1338–42. Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL 33487-2742: CRC Press, 2016. http://dx.doi.org/10.1201/9781315641645-219.

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Camnasio, E., and J. Bujnak. "Design Recommendations for Foundation Slabs with Punching Shear Reinforcement." In Lecture Notes in Civil Engineering, 181–92. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23748-6_14.

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Ricker, M., D. Kueres, F. Häusler, D. Carminati, and J. Hegger. "New Punching Shear Reinforcement System for Footings and Ground Slabs." In Lecture Notes in Civil Engineering, 503–14. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-23748-6_39.

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Kueres, Dominik, Carsten Siburg, Martin Herbrand, Martin Classen, and Josef Hegger. "Improvement of Punching Shear Design Provisions According to Eurocode 2." In High Tech Concrete: Where Technology and Engineering Meet, 1573–82. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-59471-2_181.

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Ravi, Navya S., and Milu Mary Jacob. "Numerical Investigation of Punching Shear Strengthening Techniques for Flat Slabs." In Lecture Notes in Civil Engineering, 123–31. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8151-9_13.

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Olalusi, Oladimeji B., Puneh Mowlavi, Nikolaos Mellios, and Panagiotis Spyridis. "Assessment of Design Concepts for Post-installed Punching Shear Retrofitting." In Lecture Notes in Civil Engineering, 179–90. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-73616-3_13.

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Conference papers on the topic "Punching Shear"

1

"A Design Perspective on Punching Shear." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14938.

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Lampropoulos, Andreas, James N. Duncan, and Ourania T. Tsioulou. "Punching shear resistance of UHPFRC." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.0866.

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Abstract:
<p>Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) is a high performance cementitious material with enhanced strength in tension and compression and significantly high energy absorption in the post crack region. Its mix composition is not much dissimilar from that of normal strength concrete. The main difference is that only fine aggregates are used in order to enhance the homogeneity of the mix, while microsilica is used to improve the density of the mix thereby reducing voids and defects. A high percentage of steel fibres is used to increase the tensile strength and at the same time to provide ductility.</p><p>UHPFRC has been recently introduced in applications such as bridge decks, thin slabs and for the strengthening of existing elements. Even if there are various published studies on the compressive, tensile and flexural characteristics of UHPFRC, the punching shear performance of UHPFRC without additional steel bars has not been sufficiently studied. In this paper an extensive experimental work has been conducted on UHPFRC tiles with various thicknesses and various percentages of steel fibres and tests have been conducted under a concentrated load. Using the experimental results, the punching shear characteristics of the various UHPFRC mixes have been evaluated and shear resistance values have been proposed.</p>
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"Strip Design for Punching Shear." In SP-183: Design of Two-Way Slabs. American Concrete Institute, 1999. http://dx.doi.org/10.14359/5869.

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"Effect of Flexural Reinforcement on Punching Shear Resistance." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14936.

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"Shear Reinforcement for Concrete Flat Slabs." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14937.

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"Punching Shear Strength of Post-Tensioned Concrete Flat Plates." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14943.

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"Highly Effective Lattice Punching Shear Reinforcement." In "SP-321: Recent Developments in Two-Way Slabs: Design, Analysis, Construction, and Evaluation". American Concrete Institute, 2017. http://dx.doi.org/10.14359/51701197.

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"Design for Punching Shear in Concrete." In SP-183: Design of Two-Way Slabs. American Concrete Institute, 1999. http://dx.doi.org/10.14359/5533.

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"Punching of Reinforced Concrete Flat Slabs – ACI and German Guidelines." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14944.

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"Slab-Column Connections Under Seismic Actions." In SP-232: Punching Shear in Reinforced Concrete Slabs. American Concrete Institute, 2005. http://dx.doi.org/10.14359/14940.

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Reports on the topic "Punching Shear"

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Phan, Long T., and H. S. Lew. Punching shear resistance of lightweight concrete offshore structures for the Arctic:. Gaithersburg, MD: National Bureau of Standards, 1988. http://dx.doi.org/10.6028/nist.ir.88-4007.

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McLean, David I., H. S. Lew, Long T. Phan, and Mary Sansalone. Punching shear resistance of lightweight concrete offshore structures for the Arctic :. Gaithersburg, MD: National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.86-3388.

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McLean, David I., H. S. Lew, Long T. Phan, and Hae In Kim. Punching shear resistance of lightweight concrete offshore structures for the Arctic :. Gaithersburg, MD: National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.86-3454.

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Phan, Long T., H. S. Lew, and David I. McLean. Punching shear resistance of lightweight concrete offshore structures for the Arctic :. Gaithersburg, MD: National Bureau of Standards, 1986. http://dx.doi.org/10.6028/nbs.ir.86-3440.

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