Database with Shear Tests on Non-slender Reinforced Concrete Beams with Vertical Stirrups

Todisco, Leonardo; Reineck, Karl-Heinz; Bayrak, Oguzhan

doi:10.14359/51688055

Cited by 24 publications

(19 citation statements)

References 8 publications

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“…The detailed procedure for assembling and filtering the data is reported by Todisco et al, and only a brief summary is included herein for readers’ convenience. The starting data set was the collection database (vswvh‐RC‐DS), where all of the collected 218 tests on non‐slender beams with vertical stirrups and horizontal reinforcements in the webs were listed with all the information obtained from papers and research reports.…”

Section: Survey Control Criteria and Selection Of Tests For The Evamentioning

confidence: 99%

“…A detailed presentation of the evaluation database is given by Todisco et al, where a series of histograms were presented with the goal of providing a complete explanation on the database characteristics. In this paper, only the main characteristics of the evaluation database are highlighted, once again, for readers’ convenience.…”

Section: Survey Control Criteria and Selection Of Tests For The Evamentioning

confidence: 99%

“…The forces in the struts and ties of the STM in Figure can be determined from equilibrium and the area of the strut at the faces of the nodes follows geometrical considerations, while the strength for struts, ties, and nodes were derived from Chapter 23 of ACI 318‐14 and are described by Todisco et al Nevertheless, it is important to recall that the effective compressive strength of the strut increases if the reinforcement crossing the inclined strut satisfies a minimum value.…”

Section: Comparison With the Design Rules Of Aci 318‐14mentioning

confidence: 99%

“…The approach described in this paper aimed at checking the conservativeness and accuracy of the relevant design rules and has been previously adopted by Reineck and Todisco for non‐slender beams without stirrups, by Todisco et al for non‐slender beams with vertical stirrups and by Todisco et al for non‐slender beams with vertical stirrups and horizontal web reinforcement. Therefore, the research reported herein is part of a larger effort aimed at calibrating code provisions and design methods.…”

Section: Introductionmentioning

confidence: 99%

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ACI‐DAfStb database for tests on deep beams and comparisons with code provisions

Todisco

Bayrak

Reineck

2017

Structural Concrete

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In an effort to calibrate design methods and code provisions, an ACI-DAfStb database was assembled for deep beams and non-slender beams with vertical stirrups and horizontal web/skin reinforcement subjected to point loads. This collection database includes 218 tests, and with the exception of a few, all tests have a shear span to effective beam depth ratios less than 2.4, that is, κ = a/d < 2.4. For the purposes of evaluating the accuracy and conservativeness of design provisions, several control and filtering criteria were applied, and after this process, 89 beams remained in the evaluation database. In light of this database, the performance of shear design provisions of ACI 318-14 and Eurocode 2, as well as strut-and-tie models (STMs) of the FIP Recommendations were examined. The analyses conducted using this database indicated that the application of STMs of ACI 318-14 is conservative, that is, the database analyses yielded less unsafe tests than the desired 5% fractile. Furthermore, statistical evaluations showed that shear design expressions of Eurocode 2 and FIP Recommendations for non-slender beams and deep beams are conservative too. K E Y W O R D Sbeams with horizontal web reinforcement, beams with shear reinforcement, database, deep beams, reinforced concrete, shear slenderness, shear strength, shear tests, strut-and-tie models

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Section: Survey Control Criteria and Selection Of Tests For The Evamentioning

confidence: 99%

Section: Survey Control Criteria and Selection Of Tests For The Evamentioning

confidence: 99%

Section: Comparison With the Design Rules Of Aci 318‐14mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

ACI‐DAfStb database for tests on deep beams and comparisons with code provisions

Todisco

Bayrak

Reineck

2017

Structural Concrete

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“…In order to provide an approach that can be used to evaluate design expressions for non‐slender beams, test results are compared with the strength estimations obtained using EC2 and the German version of it, DIN EN 1992‐1‐1 , as well as the FIP Recommendations . A similar approach was adopted by Todisco et al to check the conservativeness and accuracy of ACI 318 design provisions.…”

Section: Introductionmentioning

confidence: 99%

European design rules for point loads near supports evaluated with data from shear tests on non‐slender beams with vertical stirrups

Todisco

Reineck

Bayrak

2016

Structural Concrete

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A sectional method to account for shear enhancement in point‐loaded nonslender members

Uzel

Danis

2020

Structural Concrete

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In nonslender members, significant vertical compressive stresses occur by the loading and support conditions. Sectional models, which ignore the beneficial effects of these vertical compressive stresses underestimate the shear strength of such members. In this study, a simple expression is derived to calculate the vertical compressive stress at mid-depth of point-loaded nonslender beams and shear design provisions in the fib MC2010 are extended to account for the shear enhancement in nonslender members by considering this compressive stress in the equilibrium conditions. ACI-DAfStb evaluation databases of shear tests on point-loaded simply supported reinforced concrete members with and without stirrups are employed to evaluate the accuracy of this proposed sectional analysis method. Results show that including vertical compressive stresses in the fib MC2010 sectional shear design procedures greatly improved the accuracy of shear strength predictions for point-loaded nonslender members.

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Database with Shear Tests on Non-slender Reinforced Concrete Beams with Vertical Stirrups

Cited by 24 publications

References 8 publications

ACI‐DAfStb database for tests on deep beams and comparisons with code provisions

ACI‐DAfStb database for tests on deep beams and comparisons with code provisions

European design rules for point loads near supports evaluated with data from shear tests on non‐slender beams with vertical stirrups

A sectional method to account for shear enhancement in point‐loaded nonslender members

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