Ring deep beam – A parametric study

Abdul-Razzaq, Khattab Saleem; Jalil, Ali Mustafa; Dawood, A. A.

doi:10.1063/5.0000056

Cited by 16 publications

(7 citation statements)

References 8 publications

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“…In 2020, Abdul-Razzaq et al [31] used STM to study the most effective parameters on the strength and behavior of two-span deep ring beam (20 specimens), Table 1. In Group A, diameters were varied; 1, 1.25, 1.5, then 1.75m.…”

Section: Precedent Curved Beams Researching Workmentioning

confidence: 99%

“…That satisfies (a) or (b): (a) Single forces lie in a distance 2h from support face, and (b) Clear span is not more the four times the depth of the member h''. Strut and tie modeling (STM) is considered one of the most influential approaches to analyze RC deep beams where D regions occur [6][7][8][9][10][11][12][13][14][15]. The STM approach assumes a truss that contains compression members (struts) that are linked to tensile members (ties) in specific points (nodes) [16][17][18][19][20][21][22][23][24][25][26][27][28][29].…”

Section: Introductionmentioning

confidence: 99%

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Previous Research Works on Reinforced Concrete Curved Beams

et al. 2021

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The current research work summarizes some previous research works on horizontally curved beams. Because of curvature, torsional effects in the analysis and design should be included. Diameter of ring beam, number of supports, beam width, compressive strength of the concrete, and bearing plate width. Which can be summarized from previous studies is that increasing diameter of ring by about 25-75% decreases the capacity load by about 14-36%, while increasing number of supports by about 33-100%, beam width by about 25-75%, compressive strength of concrete by about 24-76%, and bearing plate width by about 25-75% increases the capacity load by about 62-189%, 25-75%, 24-76%, and 5-16%, respectively due to the beam section increase and/or its properties. Frequently, reinforced concrete deep ring beams exhibit shear failure in a manner similar to straight beams. Strut and tie model (STM) and plastic analysis are useful tools for efficiently analyzing ring or curved deep beams. In addition, the nonlinear three-dimensional finite element modeling is typical for predicting the deep curved beams strength and behavior.

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Section: Precedent Curved Beams Researching Workmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Previous Research Works on Reinforced Concrete Curved Beams

et al. 2021

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“…Currently, semicircular deep beams are extensively utilized in the constructing of semicircular shells, foundation, and base reservoir or to achieve some aesthetic employments in addition to their normal use in curved constructions [1]. Semicircular reinforced concrete deep beams, when are subjected to surface loads, transverse to their planes, they will be submitted to shear, bending and torsion.…”

Section: Introductionmentioning

confidence: 99%

Reinforced Concrete Semi Circular Deep Beams - Finite Element Investigation

Talal

Khaleel

Hameed

et al. 2021

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This paper represents a parametric study utilizing finite element analysis for twenty-five reinforced concrete semi-circular deep beams. The parameters that were taken into consideration in the current work are radius, height, width, concrete compressive strength and number of supports. It is found that decreasing radius of beam by 16-66% leads to decrease the midspan positive moment, support negative moment, torsional moment and midspan deflection by about 0.3-20%, 2.4-25%, 2-24% and 29-85%, respectively, while the load capacity increases by about 23-158%. The midspan positive moment, support negative moment, torsional moment and load capacity increase by about 20-682%, 20-81%, 20-81% and 21-84%, respectively, whereas midspan deflection decreases by 7-17% when the beam height increases by about 16-66%. The positive moment, negative moment, torsional moment and load capacity increases by about 43-197%, 40-185%, 29-187% and 46-214%, respectively, whereas deflection decreases by about 1.4-3.3% when the beam width increases by about 16-66%. The positive moment, negative moment, torsional moment and load capacity increases by about 10-84%, 9-77%, 9-79% and 11-92%, respectively, whereas deflection decreases by about 0.1-0.5% when the compressive strength increases by 20-220%. Finally, it is found that the positive moment increases by about 36-47% when number of supports increased by 33-66%, while the negative moment increases by about 16-31% when number of supports decreases by 14-29%, whereas the torsional moments and deflection decreases by about 6-55% and 37-84%, respectively when number of supports increases by 33-133%, while load capacity increases by 156-969% when number of support increases by 33-133%.

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“…In addition to their traditional utilized in curved structures, ring beams are now commonly utilized in the construction of ring foundations, domes, and base tanks, as well as for aesthetic purposes [1]. When loaded transversely to their planes, these beams are influenced to bending, shear and torsion.…”

Section: Introductionmentioning

confidence: 99%

A Finite Element Parametric Study of Reinforced Concrete Horizontally Circular Deep Beams

et al. 2021

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A parametric study of twenty-five reinforced concrete ring deep beams using finite element analysis is presented in this study. This paper took into account the kind of loading (partial and complete), the diameter, depth, and width of the ring beam, as well as the NO. of supports. When compared to equivalent concentrated central loading, acting a central partial distributed loading of 25-100 percent of the length of span increased capacity of load by about 3-80 percent while decreasing max. deflection and moments of torsion by about 4-14 percent and 1-9 percent, respectively. Decreases in load capacity of about 10-33 percent were observed when beam diameter was increased by 20-80%, while deflection and moments of torsion increased by about 30-145 percent and 8-23 percent, respectively. When the depth of the beam was increased by 12-50 percent, the capacity of load and moments of torsion increased by about 15-61 percent, while deflection reduced by about 8-21 percent. When the circular beam width was increased by 40-160 percent, the capacity of load, deflection, and moments of torsion increased by about 142-690 percent, 26-62 percent, and 137-662 percent, respectively. Finally, when the NO. of supports increased by 25-150 percent, the capacity of load increased by about 70-380 percent, while the deflection and moments of torsion decreased by about 27-71 percent and 16-72 percent, respectively.

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Ring deep beam – A parametric study

Cited by 16 publications

References 8 publications

Previous Research Works on Reinforced Concrete Curved Beams

Previous Research Works on Reinforced Concrete Curved Beams

Reinforced Concrete Semi Circular Deep Beams - Finite Element Investigation

A Finite Element Parametric Study of Reinforced Concrete Horizontally Circular Deep Beams

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