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Manual de Restauração de Pavimentos Asfálticos - IPR - Dnit

Manual de Restauração de Pavimentos Asfálticos - IPR - Dnit

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<strong>Manual</strong> <strong>de</strong> Restauração <strong>de</strong> <strong>Pavimentos</strong> Asfálticos 288Tabela 58 - Esforços limites - 1º critério: fadiga das camadas betuminosasRODOVIA: BR - 153/MG TRECHO: Entrº BR/497 - Entrº PATRIMÔNIOFÓRMULA GERALNf = 1,67 x 10 7Nf = a (1/εt) b ouCAMADA CBUQ - 8Bin<strong>de</strong>r CBUQ - AA = a 1/b Módulo <strong>de</strong> rigi<strong>de</strong>z (E)28.00022.000B = -1/b Volume <strong>de</strong> betume - Vb (%)13,514,0Volume <strong>de</strong> vazios - Vv (%)4,06,0nº AUTORES a b A B σt (lim) εt (lim) σt (lim) εt (lim)1 Belgian Road Research Center (BRRC) 4,856 x 10 -14 4,762 1,6 x 10 -3 -0,21-5 1,11,4 4,9 x 10 4,9 x 10-52 Fe<strong>de</strong>ral Highway Administration (FHWA) 9,7255 x 10 -15 5,163 1,931 x 10 -3 -0,194-5 1,72,1 7,7 x 107,7 x 10-53 Transport nd Road Research Laboratory1,71 x 10 -10 4,32 5,484 x 10 -3 -0,231(TRRL)3,3 2,61,2 x 10-44 ULLIDTZ (Denmark) 1,41 x 10 -15 5,62 2,279 x 10 -3 -0,178-4 2,63,3 1,2 x 10 1,2 x 10-45 NAASRA (Austrália) 5,76 x 10 -13 5,00 3,566 x 10 -3 -0,20-4 2,83,6 1,3 x 10 1,3 x 10-46 B.W. Porter/T.W. Kennedy (University of1,85 x 10 -5 3,04 2,77 x 10 -2 -0,329Texas)3,3 2,51,2 x 10-47 THE ASPHALT INSTITUTEM -0,3940,048a = 18,4 x 10 M x 4,325 x 10 -3 x (0,06894/E) 0,854a -3,2 x 10 -61,8 x 10 -6M⎛ Vb= 4,84 ⎜ − 0, 69⎝ Vv + Vb⎟⎠⎞b = 3,291A = a 1/b - B = 0,304A -εt -1,8 x 10 -23,8 1,4 x 10 -4 2,4 1,1 x 10 -48 NIJBOER (SHELL, KSLA) No Ábaco anexo -3,5 1,4 x 10 -4 3,0 1,6 x 10 -4ADOTADOS1,4 4,9 x 10 -5 2,6 1,2 x 10 -4MT/DNIT/DPP/<strong>IPR</strong>

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