·

Engenharia Civil ·

Análise Estrutural

Send your question to AI and receive an answer instantly

Ask Question

Preview text

Vanessa Dora Nunes Castro\n1\nE: 2500kN/cm²\ndínite: L/250\n15 x 30 cm\n\nI = b.h³ / 15.30²\n12\n12\ne² = 88.59kN -\nP = 1\n\nA\nA\n/3\nEI = 1(450. (1 + 225.225) . 8859,4.112,5 / 450°)\n\nET = 186.877.968,8\nd = 2.215cm\n\np² = 1.25kN\n\n/4\n\nDínite = L/450 vs Dínite = 1.8cm \n250 250\n\nA fletcha é maior que a flecha limite pois não atinge ao E.L.S. Vanessa Dora Nunes Castro\n2°\n33kN/m 34kN/m\n45kN\n\n4,30m 2,80m 7,60m 9,80m\n\n34,76\n\nSistema Principal\n\ng. 0\n(g)\n\nB carga real no sistema principal\n\ng² = 23,4³, 53,18\ng² = 37,2³, 36,26\nP¹ = 45,3,6 = 40,5\n\ng² = 23,4³, 53,18 \ng² = 37,2³, 36,26\nP² = 45,3,6 = 40,5 \n\n3 - carga X1 no S.P.\n\n4 - carga X2 no S.P. Vanessa Dora Nunes Castro\n5. Coeficientes\nd10 : ∇(∆) + (∇ + ∆)\nd10 : [ 1, 4, 3, (53, 18, (-1)) ] + [ 1, 2, 8, (36, 26, (-1)) ] = -76,22 - 33,84\n\nd10 : -110,06\n\n\nd11 : (∆ + ∇) + (∇ + ∆)\nd11 : [ 1, 4, 3, (-1), (-1) ] + [ 1, 2, 8, (-1), (-1) ] = - 1,43 + 0,93\n\nd11 : 2,36\n\n\nd12 : [ 1, 2, 8, (-1), (-1) ] ➔ d12 = 0,47\n\nd12\n\n\nd20 : (∆ + ∇) + (∇ + ∆)\nd20 : [ 1, 2, 8, (-1), 36, 26 ] + [ 1, 3, 6, ( 1 + 1.8, (-1), (40,5) ] = -33,84 - 36,45\n\nd20 : 70,29\n\n\nd22 : (4 + ∇) + (1 + ∆)\nd22 : [ 1, 4, 3, (-1), (-1) ] + [ 1, 3, 6, (-1), (-1) ] - 0,93 + 1,2\n\nd22 : 2,43 6. Ideas de X1 y X2\n(-410,06 + 2,36X1 + 0,47X2 = 0) --> (2,36X1 + 0,47X2 = 110,06)\n(-70,29 + 0,41X1 + 2,13X2 = 0) --> (0,41X1 + 2,13X2 = 70,29)\n\n5,03X1 + 1Y = 234,43\n-0,22X1 - 1X2 = -33,04\nX1 = 44,84 KN\nX2 = 23,82 KN\n\n7. Reacciones\n\n 3kN/m \n 71kN/m 45kN\n\nVA = 39,9kN\nVB = 103,6 kN 33,82 kN\nVC = 45kN\n\nΣM A = 0\n-VA * 4,3 + 39,9 * 2,15 - 41,87 = 0\n-4,3VA = -170,17\nVA = 39,79 kN\n\nΣNE = 0\n-VA + 71 + 98,9 + 4,95 - VB + 2,8 * 3,6+ 14 - 23,82 = 0\n-2,8VB = -328,91\nVB = 117,4 kN\n\nΣMy = 0\nV0 = 3,6 - 45 + 18,8 - 33,82 = 0\n39 + 71,9 + 117,4 - 103,6 + VC - 45 + 15,9 = 0\n3,6VB = 5,718\nVB = 15,9 kN 8. DEC\n\nYolanda Dora Nunes Cestero\n39,7\n58,3\n29,1\n-15,9\n-59,2\n\n9. DMF\nH1,8\n-23,82\n34,3\n\n39 + 1,73 m = 34,3\n23\n38\nA1: 39,7 + 1,13 = 34,3 / 2\nA2: -59,2 + 2,57 + 34,3 = -41,8 / 2\nA3: -41,8 + 5,82 / 2 = 39 / 2\nA4: 3,9 - 454,132 = -24 / 2\nA5: -24 + 29,1 - 1,8 = 28,4\nA6: 284 - 159,18 = 0