Exercciosresolvidos_20160530143416 pdf

S = 10^10 + 2.5 x 10^4 - 20.10^4\nC = 273.5 x 10^-4 m = 273.5 mm\nC = 2.75 mm\nEjercicio 3\nS_z = P_ab + 25 kN\nP_ab = 173.5 m\nL_ab = 800.10^4 m^3\nE = A_ab\nS_b = 25 kN.175 m = 700,000 kN/m^2\nS_ = S_b + S_c + S_0\nS_ab = 278.1 x 10^-4 m Ejercicio 1\nJ_f = S_ab + S_c + S_0\nP_ab = 400 kN\nP_bc = 600 kN\nL_ab = 600.10^4 m\nA_ab = 2,400.01 m^2\nS_ab = 400 kN / 0.3 m = 1,000 kN/m^2\n200,000 kN / A_b.600.10^4 m^2\nS_bc = P_bc / L_bc = 200 kN / 0.3 m = -9000 kN/m^2\nS_c = P_c / L_c = 200 kN / 0.4 m S_ab = 125 kN / 1.125 m\n7,000 kN / A_ab.1800.10^2 m\nS_0 = 50 kN / 1.5 m = 21.4 kN / m^2\nEjercicio 3\nS = 378.1 x 10^-4 + 2719.10^4 + 21 x 41.4^4 = 574.1 x 10^5 m\nS_bc = S_ab / S_ab = 539.10^-1 m\nS_ab = 0.531 mm\n1.3 mm = 0.9519 = 0.58 c Ejercicio 4\nP = (150-P) x 2; (100-P) x 3 = -33.68x10^-1\n760.681.220\n760.681.220\n300 - 2P + 300 - 3P = 3386.681-7.066.220\n600 - 2P = 476.614\nSP = 476.614\nSP = 215/23 kN\nP = 215/23 kN\n\n-6532\n-15173\n+14933\n+100 kN\n\n\n\nEjercicio 4\nC = 100.54 x 2.5 m\nCos = 33.68x10^-1 m\n\nPara que exista una carga para\nABC reversa, Me calcula una carga P\ncon m\negarra\n.\n\n Ejercicio 6\n\nAluminio = Pi x 60 = 490.834 - 2336.550 = 4\n\n\nAlambre. T = Pi x 25 = 490.834 mm\n\nEmax. Alumina = 7000x10^8 / 2.3365x10^6 = 1.490.0844 x 10^4 N\nEnergia. Ab. = 163.5 x 10^6 N\nEnergia. Ab. = 105000 x 51.5 x 10^6 = 207.896 kN\n\nPmax = 200 kN = 163.5 x 10^6 x 0.976 x 200 kN = 512 kN\n\nPresion = 200 - 152 = 48 kN\n\n Ejercicio 5\n\nS = Sones del suelo Ab = Aco = 4.183\n\nS = 60/Kg.2.10m\n\nSoma B = 60/Kg x 2 m\n\nSoma. E = 0.00356 m = 3.56x10^-3\n\n\nSoma. 1.095476 x 4 x 10 = 0.109\n\n\nS = 3.56 mm + 0.935 mm = 4.495\n P = 0.425 x 910 KN = 653.75 kN\nPeca = - 653.75 kN\n\\sigma = - 653.75 kN / 602.29 x 10^4 m^2 = -10.814 MPa\nCompresores\n\n\n\nEjercicio 8\nEmax = 200000 MPa\nEac = 20000 MPa\nAapa = 6 x Pi x 22 = 2280 mm2\nAamin = (250 x 250) = 62500 mm2\nAam = 22880 x 76^2 x 20000\nA = 602.29 x 10^4 m2\nEAlanc = 1204.38 x 10^4 N\nPanc = 900 kN 1203.6 x 10^6 Ejercicio 9\nComo se ve, Abrev= Ti/4 = 1250 m/n\n4\nLi = 15 Li = 1.5\nL0 = 73000 Li = 1.5 L0\nLi = 15 L1\nL1 = 15 L1b\nL2 = 0.39 L2\n25 Li = 15.5 = 0.5\nL3 = 0.3\nCompresor Total f = Sati\nSg = -100 kN x 0.2 m\nSa = 73000 kPa 1.2564 pi/ m2\n\\sigma = -100 kN x 0.3 m\nCondition y = 2.5 kton Ejercicio 10\nP\nwap = 4.36 x 10^ -6 m = -0.43755\n(Pacha) Con = 3.048 x 10^ -5 m\n(Pp) Con = 20 x 10^ -6 m\n8.688- 0.5/8 = 0 m\n\\op{} = 14.373.32 kN\nDistan = Di x E Ai\nC =\nP = D x (EA) longitud\nE= = A\nP.\n(EA) Aam = 30000\n(EA) Aam = 90 x 10^6 kN\\n Entra en aplicación de carga con la carga máxima alcanzada, de 1407.43 kN. Luego se tiene la carga De tal forma, se Paluma = 1809.56 kN y P = Puna (LEA) (num) + (E) (coef.) P = 1809.56 kN (1407.43-1000.29) P = 1809.56 kN x 1.754 P = 3173.97 kN (EA) can = 15000 x 9.81 x 30658.83 (EA) con = 1060.29 x 10^-6 N P = 1143.72 kN x (1407.43-1000.29) 1060.29 x 2.327 P = 1413.72 kW P = 3290.29 kW P = 1413.72 kW x 3290.29 kW P = (4606.29+1407.43-60) P (Ruine = 0.57 x 3290.29 kW) DUN=1.1876 57 kW < 809.56 N OK!