Relevant bibliographies by topics / Concrete Breakout Failure

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Concrete Breakout Failure'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Concrete Breakout Failure"

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Huda, Amirul, and Henry Apriyatno. "Experiment of Pullout Expansion Anchor in Installation Cast in Place and Post Installed with Concrete Breakout Failure." Jurnal Teknik Sipil dan Perencanaan 23, no. 1 (2021): 37–45. http://dx.doi.org/10.15294/jtsp.v23i1.26246.

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Abstract: The use of anchors in construction is gaining popularity to connect steel and concrete constructions, and to transmit tensile loads acting onto the concrete. This research aims to find out the difference in the strength of anchor based on two methods of installations that are cast in place compared to post installed with the influence of effective depth, diameter of anchor and quality of concrete, and failure of concrete breakout. Expansion anchor used in this study is "Sanko" M12x100 and ready-mix concrete PT Bonindo Ungaran, fc 25 MPa with 6 pieces of test specimens of 300x300x150
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Chhetri, Sandip, and Rachel A. Chicchi. "Analytical Investigation of Tension Loaded Deformed Rebar Anchors in Concrete." CivilEng 2, no. 2 (2021): 442–58. http://dx.doi.org/10.3390/civileng2020025.

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Experimental testing of deformed rebar anchors (DRAs) has not been performed extensively, so there is limited test data to understand their failure behavior. This study aims to expand upon these limited tests and understand the behavior of these anchors, when loaded in tension. Analytical benchmark models were created using available test data and a parametric study of deformed rebar anchors was performed. Anchor diameter, spacing, embedment, and number of anchors were varied for a total of 49 concrete breakout simulations. The different failure modes of anchors were predicted analytically, wh
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Lee, Jong-Han, Eunsoo Choi, and Baik-Soon Cho. "Shear Failure Mode and Concrete Edge Breakout Resistance of Cast-In-Place Anchors in Steel Fiber-Reinforced Normal Strength Concrete." Applied Sciences 10, no. 19 (2020): 6883. http://dx.doi.org/10.3390/app10196883.

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Concrete edge failure of a single anchor in concrete is strongly dependent on the tensile performance of the concrete, which can be greatly improved by the addition of steel fibers. This study investigated the effect of steel fibers on the shear failure mode and edge breakout resistance of anchors installed in steel fiber-reinforced concrete (SFRC) with fiber volume percentages of 0.33, 0.67, and 1.00%. The anchor used in the study was 30 mm in diameter, with an edge distance of 75 mm and embedment depth of 240 mm. In addition to the anchor specimens, beam specimens were prepared to assess the
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Chen, Zhao, Somayeh Nassiri, and Anthony Lamanna. "Investigation of a combined failure mode for screw anchors under tension." Advances in Structural Engineering 23, no. 13 (2020): 2803–12. http://dx.doi.org/10.1177/1369433220924795.

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A modified concrete capacity design method is available to predict the ultimate tensile strength ( Nu) of screw anchors. Screw anchors commonly fail in a combination of concrete breakout and pullout modes. This combined mode is not distinguished from the breakout mode in the modified concrete capacity design method, which may cause confusions to designers. To investigate the Nu of the combined mode ( Ncomb), this study included 144 unconfined tension tests on screw anchors from three manufacturers in three diameters and two effective embedment depths ( hef) per diameter. Approximately 80% of t
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Spyridis, Panagiotis, and Oladimeji B. Olalusi. "Predictive Modelling for Concrete Failure at Anchorages Using Machine Learning Techniques." Materials 14, no. 1 (2020): 62. http://dx.doi.org/10.3390/ma14010062.

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Anchorage to concrete plays a significant role in various aspects of modern construction. The structural performance of anchors under direct tensile load can lead to failure by concrete cone breakout. Concrete related failure modes are quasi-brittle, and as such, they may develop without prior warning indications of damage, while it also exposes the bearing component to damage propagation. As such, an adequate reliability assessment of anchors against concrete cone failure is of high importance, and improved precision and minimisation of uncertainty in the predictive model are critical. This c
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Jonak, Józef, Robert Karpiński, Michał Siegmund, Andrzej Wójcik, and Kamil Jonak. "Analysis of the Rock Failure Cone Size Relative to the Group Effect from a Triangular Anchorage System." Materials 13, no. 20 (2020): 4657. http://dx.doi.org/10.3390/ma13204657.

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This study employs the numerical analysis and experimental testing to analyze the fracturing mechanics and the size of rock cones formed in the pull-out of a system of three undercut anchors. The research sets out to broaden the knowledge regarding: (a) the potential of the undercut anchor pull-out process in mining of the rock mass, and (b) estimating the load-carrying capacity of anchors embedded in the rock mass (which is distinctly different from the anchorage to concrete). Undercut anchors are most commonly applied as fasteners of steel components in concrete structures. The new applicati
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Ashkinadze, Konstantin. "A practical method of design of concrete pedestals for columns for anchor rod tension breakout." Canadian Journal of Civil Engineering 37, no. 12 (2010): 1641–45. http://dx.doi.org/10.1139/l10-103.

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This technical note considers concrete pedestals bearing steel and concrete columns attached to the foundation with cast-in anchor rods. One mechanism of pedestal failure — the anchor rod breakout in tension — is considered. Uplift and shear forces and bending moments in the base cause tension in the anchor rods. Classical methods of statics and finite element analysis (FEA) are applicable to establish the anchor likely to fail first. For the design of the anchor rod embedment in the concrete, the new “cone balancing” method is proposed. It considers equilibrium of the pullout cone of concrete
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Bogdanić, Anton, Daniele Casucci, and Joško Ožbolt. "Numerical and Experimental Investigation on Concrete Splitting Failure of Anchor Channels." CivilEng 2, no. 2 (2021): 502–22. http://dx.doi.org/10.3390/civileng2020028.

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Concrete splitting failure due to tension load can occur when fastening systems are located close to an edge or corner of a concrete member, especially in thin members. This failure mode has not been extensively investigated for anchor channels. Given the current trend in the construction industry towards more slender concrete members, this failure mode will become more and more relevant. In addition, significantly different design rules in the United States and Europe indicate the need for harmonization between codes. Therefore, an extensive numerical parametric study was carried out to evalu
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Nassiri, Somayeh, Zhao Chen, Anthony Lamanna, and William Cofer. "Numerical simulation of failure mechanism in screw anchors under static tension." Advances in Structural Engineering 23, no. 16 (2020): 3385–400. http://dx.doi.org/10.1177/1369433220937143.

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Concrete screw anchors under tension commonly fail in a combined (pullout and concrete breakout) mode; however, currently, there is no mechanistic model to predict the load in this mode. Finite element models of screw anchors can help understand the mechanism of the combined mode and predict the ultimate strength in this mode ( Ncomb). In this study, finite element models were developed and validated by 37 tests of screw anchors in three different diameters ( d) and two effective embedment depths ( hef) per diameter. The finite element models were used to identify the combined failure mode and
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Tóth, Máté, Boglárka Bokor, and Akanshu Sharma. "Anchorage in steel fiber reinforced concrete – concept, experimental evidence and design recommendations for concrete cone and concrete edge breakout failure modes." Engineering Structures 181 (February 2019): 60–75. http://dx.doi.org/10.1016/j.engstruct.2018.12.007.

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Dissertations / Theses on the topic "Concrete Breakout Failure"

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(7040873), Ting-Wei Wang. "ANCHORING TO LIGHTWEIGHT CONCRETE: CONCRETE BREAKOUT STRENGTH OF CAST-IN, EXPANSION, AND SCREW ANCHORS IN TENSION." Thesis, 2019.

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The use<b></b>of lightweight concrete in the concrete industry provides economical and practical advantages. Structural anchors are commonly used in the industry for various structural applications. In <i>ACI 318-19: Building Code Requirements for Structural Concrete and Commentary</i>, a modification factor, λ<i><sub>a</sub></i>, is specified for the calculated design strengths of anchors installed in lightweight concrete that experience concrete or bond failure. The modification factor consists of the general lightweight concrete modification factor,λ, specified in the code multiplied by an
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Yang, Keun-Hyeok, and Ashraf F. Ashour. "Mechanism analysis for concrete breakout capacity of single anchors in tension." 2008. http://hdl.handle.net/10454/6246.

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A numerical technique based on the theory of plasticity is developed to predict an optimum failure surface generatrix and concrete breakout capacity of single anchors away from edges under tensile loads. Concrete is regarded as a rigid, perfectly plastic material obeying a modified coulomb failure criteria with effective compressive and tensile strengths. The failure mode is idealized as an assemblage of two rigid blocks separated by failure surfaces of displacement discontinuity. Minimization of the collapse load predicted by the energy equation produces the optimum shape of the failure surfa
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(9183341), Ata Ur Rehman. "TENSION STRENGTH OF EMBED PLATES WITH WELDED DEFORMED BARS AS GOVERNED BY CONCRETE BREAKOUT." Thesis, 2021.

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<p>Embedded plates are used to support the external attachments such as heavy piping, brackets, sprinkler systems, or other equipment in nuclear power plants. The plates are welded with deformed reinforcing bars or deformed wires and anchored to reinforced concrete walls. The ACI code (ACI 318-19/ACI 349-13) provides design equations to calculate the anchor strength in concrete under tension load. These empirical equations are based on experiments conducted on headed studs, hooked bars, headed bolts, and adhesive anchors. With the lack of experimental data and code provisions on straight defor
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Conference papers on the topic "Concrete Breakout Failure"

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Carstens, Stefan, and Matthias Pahn. "Pull-Out Capacity of GFRP Connectors in the Edge Area of Precast Concrete Sandwich Walls." In IABSE Symposium, Guimarães 2019: Towards a Resilient Built Environment Risk and Asset Management. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/guimaraes.2019.1282.

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&lt;p&gt;Precast concrete sandwich panels are used to fulfil the rising thermal requirements. The sandwich walls consist of three layers, a facing, a thermal insulation layer and a load-bearing layer. The two outer layers are coupled by connectors made of glass-fibre reinforced polymer. The connectors are loaded primarily in tension. Their failure mode under short-term tensile load is a combination of a concrete breakout and bond failure modes. In the edge area, the concrete breakout can not be fully developed, resulting in a reduction of the ultimate load. Conservative approach for this reduc
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ALMEIDA Jr, Sálvio A., and Serhan Guner. "Nonlinear Finite Element Analysis of Non-Structural Components Anchorage under Extreme Wind Loads." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1905.

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&lt;p&gt;Steel anchors are widely used to fasten structures and non-structural components (NSC) to rooftop concrete slabs, especially in high-rise buildings. However, several NSC anchorage failures have been observed in the last decades upon the incidence of hurricanes, resulting in loss of service in essential buildings, detachment of the component, and water intrusion, all of which significantly delayed the recovery of the affected communities. From the observed failures, three main mechanisms were identified: steel rupture, concrete breakout, and bond failure. In this study, a three-dimensi
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