Model 1 - Singh and Jain [5353 B. Singh and K. Jain, “An appraisal of steel fibers as minimum shear reinforcement in concrete beams,” ACI Struct. J., vol. 111, no. 5, pp. 1191-1202, Sep. 2014, http://dx.doi.org/10.14359/51686969. http://dx.doi.org/10.14359/51686969...
] |
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(1) |
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(2) |
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(3) |
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(4) |
Model 2 - Sahoo and Sharma [5454 D. R. Sahoo and A. Sharma, “Effect of steel fiber content on behavior of concrete beams with and without stirrups,” ACI Struct. J., vol. 111, no. 5, pp. 1157-1166, Sep. 2014, http://dx.doi.org/10.14359/51686821. http://dx.doi.org/10.14359/51686821...
] |
(d < 300 mm) |
(5) |
( d ≥ 300 mm) |
(6) |
Model 3 - Dinh et al. [5252 H. H. Dinh, G. J. Parra-Montesinos, and J. K. Wight, “Shear behavior of steel fiber-reinforced concrete beams without stirrup reinforcement,” ACI Struct. J., vol. 107, no. 5, pp. 597-606, Sep. 2010.] |
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(7) |
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(8) |
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(9) |
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(10) |
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(11) |
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(12) |
Model 4 - Kwak et al. [22 Y. K. Kwak, M. O. Eberhard, W. S. Kim, and J. Kim, “Shear strength of steel fiber-reinforced concrete beams without stirrups,” ACI Struct. J., vol. 49, no. 4, pp. 530-538, Jul. 2002, http://dx.doi.org/10.14359/12122. http://dx.doi.org/10.14359/12122...
] |
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(13) |
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(14) |
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(15) |
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(16) |
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(17) |
Model 5 - Sharma [4444 A. K. Sharma, “Shear strength of steel fiber reinforced concrete beams,” ACI J. Proc., vol. 83, no. 4, pp. 624-628, Jul. 1986, http://dx.doi.org/10.14359/10559. http://dx.doi.org/10.14359/10559...
] |
|
(18) |
Model 6 - Sarveghadi et al. [9595 M. Sarveghadi, A. H. Gandomi, H. Bolandi, and A. H. Alavi, “Development of prediction models for shear strength of SFRCB using a machine learning approach,” Neural Comput. Appl., vol. 31, pp. 2085-2094, Aug. 2015, http://dx.doi.org/10.1007/s00521-015-1997-6. http://dx.doi.org/10.1007/s00521-015-199...
] |
|
(19) |
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(20) |
Model 7 - Imam et al. [9696 M. Imam, L. Vandewalle, F. Mortelmans, and D. Van Gemert, “Shear domain of fibre-reinforced high-strength concrete beams,” Eng. Struct., vol. 19, no. 9, pp. 738-747, Sep. 1997, http://dx.doi.org/10.1016/S0141-0296(96)00150-2. http://dx.doi.org/10.1016/S0141-0296(96)...
] |
|
(21) |
|
(22) |
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(23) |
Model 8 - Arslan [9393 G. Arslan, “Shear strength of Steel Fiber Reinforced Concrete (SFRC) slender beams,” KSCE J. Civ. Eng., vol. 18, pp. 587-594, Mar. 2014, http://dx.doi.org/10.1007/s12205-014-0320-x. http://dx.doi.org/10.1007/s12205-014-032...
] |
|
(24) |
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(25) |
Model 9 - DafStB [1919 DAfStB, Deutscher Ausschuss für Stahlbeton (DAfStb): Richtlinie Stahlfaserbeton, Berlin, Germany, 2012.] |
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(26) |
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(27) |
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(28) |
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(29) |
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(30) |
|
(31) |
|
(32) |
Model 10 - fib model code [2020 fib, Model Code 2010: Final Draft, fib Model Code for Concrete Structures 2010. International Federation for Structural Concrete (fib), 2012.] |
|
(33) |
|
(34) |
, for
|
(35) |
Model 11 - RILEM [2222 RILEM, “RILEM TC 162-TDF: ‘Test and design methods for steel fibre reinforced concrete’, σ-ε-design method,” Mater. Struct., vol. 36, pp. 560-567, Oct. 2003.] |
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(36) |
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(37) |
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(38) |
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(39) |
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(40) |
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(41) |
Model 12 - Linear Regression [9191 M. Santos Jr., “Avaliação da substituição da armadura transversal mínima por fibras de aço em vigas de concreto armado,” Master thesis, Prog. Pós-Grad. Eng. Civil Amb., Univ. Fed. Pernambuco, Caruaru, Brazil, 2021.] |
|
(42) |
Model 13 - Weighted Linear Regression (WLR) [9191 M. Santos Jr., “Avaliação da substituição da armadura transversal mínima por fibras de aço em vigas de concreto armado,” Master thesis, Prog. Pós-Grad. Eng. Civil Amb., Univ. Fed. Pernambuco, Caruaru, Brazil, 2021.] |
(For hooked fibers end and ) |
(43) |
(For crimped fibers and ) |
(44) |
(For other types of fibers and ) |
(45) |
(For hooked fibers and ) |
(46) |
(For crimped fibers and ) |
(47) |
(For other types of fibers and ) |
(48) |