Numerical analyses are performed using the ABAQUS finite element program to predict the ultimate loading capacity of rectangular reinforced concrete beams strengthened by fiber-reinforced plastics applied at the bottom or on both sides of these beams.
Nonlinear material behavior, as it relates to steel reinforcing bars, plain concrete, and fiber-reinforced plastics is simulated using appropriate constitutive models. The influences of fiber orientation, beam length and reinforcement ratios on the ultimate strength of the beams are investigated. It has been shown that the use of fiber-reinforced plastics can significantly increase the stiffnesses as well as the ultimate strengths of reinforced concrete beams.
In addition, with the same fiber-reinforced plastics layer numbers, the ultimate strengths of beams strengthened by fiber-reinforced plastics at the bottom of the beams are much higher than those strengthened by fiber-reinforced plastics on both sides of the beams.
Nonlinear finite element analysis of reinforced concrete beams strengthened by fiber-reinforced plastics. T1 - Nonlinear finite element analysis of reinforced concrete beams strengthened by fiber-reinforced plastics.
N2 - Numerical analyses are performed using the ABAQUS finite element program to predict the ultimate loading capacity of rectangular reinforced concrete beams strengthened by fiber-reinforced plastics applied at the bottom or on both sides of these beams.
AB - Numerical analyses are performed using the ABAQUS finite element program to predict the ultimate loading capacity of rectangular reinforced concrete beams strengthened by fiber-reinforced plastics applied at the bottom or on both sides of these beams. Department of Civil Engineering. Overview Fingerprint. Abstract Numerical analyses are performed using the ABAQUS finite element program to predict the ultimate loading capacity of rectangular reinforced concrete beams strengthened by fiber-reinforced plastics applied at the bottom or on both sides of these beams.
Access to Document Link to publication in Scopus. Link to citation list in Scopus. Fiber reinforced plastics Chemical Compounds. Composite Structures63 In: Composite Structures.
In: Composite StructuresVol. Composite Structures.The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Publication: Journal Proceedings. Keywords: analogs;biaxial loads;bond concrete to reinforcement ;cracking fracturing ; deflection;finite element method structural ;loads forces ;models;physical properties;reinforced concrete;reinforcing steel;stiffness;stress analysis.
RF-CONCRETE NL Add-on Module for RFEM
Abstract: Recent development of the finite element method of analysis permits consideration of members which are non-homogeneous, defined by irregular boundaries, and arbitrarily supported and loaded. The continuum is replaced with a system of finite elements interconnected only at discrete points and the resulting structure is analyzed as a highly indeterminate system. The method is used to determine the internal stresses and displacements for reinforced concrete members subjected to progressively increasing load, with recognition of the several sources of nonlinearity.
The resulting model permits accounting for a the influence of reinforcement, b changing topology due to progressive cracking, c realistic bond stress transfer between concrete and reinforcement, and d nonlinear material properties.Scopriamo i vincitori del sxsw 2020 gaming awards
Incremental loading permits study of member behavior through the entire range from zero load to ultimate. Click here to become an online Journal subscriber. ACI Materials Journal.
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International Translations. International Concrete Abstracts Portal. Nilson Publication: Journal Proceedings Volume: 65 Issue: 9 Appears on pages s : Keywords: analogs;biaxial loads;bond concrete to reinforcement ;cracking fracturing ; deflection;finite element method structural ;loads forces ;models;physical properties;reinforced concrete;reinforcing steel;stiffness;stress analysis. Request an unlock code for Superuser or Staff access. Unlock Code:.
Some features of this site may not work without it. Nonlinear finite element modeling of reinforced concrete structures under impact loads. The shear-dominant behavior of RC members under impact loads creates another significant shortcoming, because modeling the shear behavior of RC has long been a challenging issue. This study aims to present and verify a nonlinear finite element analysis procedure employing the Disturbed Stress Field Model, based on a smeared rotating crack approach, as an advanced method of modeling shear behavior under impact conditions.
Non-linear deformational analysis of reinforced concrete frame
The proposed methodology has a wide range of applicability, and displays fast solution time while providing extensive and accurate information on structural behavior. The methodology was tested by analyzing a set of RC beams subjected to impact loads.
A high level of accuracy was demonstrated in various comparisons between test and analysis results, including peak and residual displacements, crack profiles, and reinforcement strains.
DSpace'de Ara. Bu Koleksiyon.Search Language Main Menu. Application Areas. Online Services. Cross-Section Properties. Stand-Alone Programs. Social Networks. Dlubal Calendar. Free Trial Version. Examples and Tutorials. About Us. The nonlinear calculation is activated by selecting the design method of the serviceability limit state. You can individually select the analyses to be performed as well as the stress-strain diagrams for concrete and reinforcing steel.
It is possible to influence the iteration process by the control parameters of the convergence accuracy, the maximum number of iterations, the arrangement of layers in relation to the cross-section depth, or the damping factor. Allowable limit values are defined by the maximum deformation, the maximum stresses, or the maximum crack widths. The nonlinear calculation can be applied to the ultimate and the serviceability limit state design. In addition, you can specify the concrete tensile strength or the tension stiffening between the cracks.
It is possible to influence the iteration process by the control parameters of the convergence accuracy, the maximum number of iterations, and the damping factor. The nonlinear reinforced concrete modeling requires definition of material properties varying across the surface thickness. The mean steel strengths used in the calculation are based on the "Probabilistic Model Code" published by the JCSS technical committee.
Regarding material properties, it is possible to control the stress-strain diagram of the compressive and tensile strength. Furthermore, you can specify which result values should be displayed after the nonlinear calculation at the serviceability limit state:. After the calculation, the module shows clearly arranged tables listing the results of the nonlinear calculation.Before Noon 9am to 1pm After Noon 2pm to 5pm.
Please leave this field empty. Member Name. What is bigger, 6 or 5? Skip to content. This paper is published in Volume-4, Issue-2, Volume-4, Issue-2, Rakesh Patel. Rakesh Patel Give proper credits, use Citation.
Abstract RCC walls are used worldwide to resist loads due to gravity and earthquake. Many of the tall buildings had buckled during recent earthquakes due to poor design and construction practices. When the RCC structure is subjected to axial compressive loading it fails due to buckling. The objective of study is to predict the linear and non-linear buckling behaviour of RCC walls using the finite element model. This paper investigates the effect of various parameters that influence the behaviour of the wall.Mtg make a token
These parameters include; slenderness ratio, percentage of reinforcement. Different percentages of reinforcement with constant slenderness ratio for a wall is analysed through ANSYS All content is copyright protected.
Paper PDF. View Full Paper Last. Submit Your Paper Ask a Question.The paper presents the algorithm and some results of deformational non-linear analysis of reinforced concrete frame system taking into consideration of nonlinearity of materials.
The nonlinearity of materials means the use of nonlinear models of concrete and reinforcement, stress-strain relationships of concrete and reinforcement are taken according to diagrams illustrated in Russian codes. The algorithm of deformational non-linear analysis has two stages. In the first stage, the relationship between element cross-sectional stiffness and internal forces was established.
In the second stage, the structural analysis software SAP was used for calculation of internal forces with the results received in the first stage.
The results were investigated with a gradual increase of load values according to the relationship between element cross-sectional stiffness and internal forces. This helps to observe the places of formation of plastic hinges. From there some comments and recommendations were proposed to evaluate the criterion of limit state in structural analysis.
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Concrete and reinforced concrete structures. National construction design code TCVN Google Scholar. The Russian code of rules for designing and construction. Concrete and reinforced concrete structure with precast-prestressed reinforcement. Concrete and reinforced concrete structure.
SP Shapiro, A. Agarkov, Tran Thi Thuy Van. Spatial non-linear deformational analysis of road bridge multy-beam superstructures. Scientific heralds of Voronezh State University of architecture and civil engineering. Serie of construction and architecture — Voronezh, Russiap. Shapiro, Tran Thi Thuy Van. Analysis of road bridge multy-beam superstructures of the standard design in Scientific heralds of Voronezh State University of architecture and civil engineering — Voronezh, Russiap.
Tran Thi Thuy Van.Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly.4 pin to 7 pin trailer wiring diagram diagram base website wiring
Lotfy Published Engineering. The behavior of reinforced concrete columns with holes under axial load is not understood, and researches in the subject are needed to help designers and structural code officials. Holes drilled out to install additional services or equipment, such as for ducts through columns, beams, or walls, can lead to loss of strength and possible structural failure.
Save to Library. Create Alert. Launch Research Feed. Share This Paper. Figures and Tables from this paper. Figures and Tables. Citations Publications citing this paper. Ghadge Geology References Publications referenced by this paper. AshourGupta Rishi Materials Science The provision of holes in reinforced concrete beams Deryk Simpson Engineering WilliamE.
Warnke Physics Mansur Elsevier science Ltd.Flux core welder sputtering
Experimental behavior of flat slabs with openings under the effect of concentrated loads. TayelM H. SolimanK A. Ibrahim Alexandria engineering journal, Holes can be made in middle third of columns with diameter up to 0.
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