ejercicio 1,c2TALLER RESISTENCIA DE MATERIALES Curso Dirigido Resistencia De Materiales Ingeniero: Juan Felipe ArroyaveRicardo Maestre BoteroAna Maria Montes Montoya

1.C2.AltoAnchoArea TotalNUMERO DE ESLABONES4AREA DE SECCION TRANSVERSAL DEL ELEMENTO ABC50105003.1416AREA DE SECCION TRANSVERSAL DE LOS ESLABONES VERTICALES368288Largo36Fuerzas (N)Distancias (m) A20000B-A0.25B-D32500B-D0.2C-E12500C-E0.2C-A0.65C-B0.4

SUMATORIA DE MOMENTOS EN C= 0 (Fb-d*0,4)-(20*0,65)=0Fb-d=sumatoria de fuerzas en Y=0 =20000-32500+Fc-d= 0Fc-d=Diametro (mm)A Pasador (mm)Area (axial)FaLc-aFb-dLb-cFb-dbdedarea (aplastamiento1078.54208200000.00065125000.00043250060.0961538462406.25801195.0334200200000.00065125000.00043250062.5369.31818181828812113.0976192200000.00065125000.00043250065.1041666667338.54166666679613132.7326184200000.00065125000.00043250067.9347826087312.510414153.9384176200000.00065125000.00043250071.0227272727290.178571428611215176.715168200000.00065125000.00043250074.4047619048270.833333333312016201.0624160200000.00065125000.00043250078.125253.9062512817226.9806152200000.00065125000.00043250082.2368421053238.970588235313618254.4696144200000.00065125000.00043250086.8055555556225.694444444414419283.5294136200000.00065125000.00043250091.9117647059213.815789473715220314.16128200000.00065125000.00043250097.65625203.12516021346.3614120200000.00065125000.000432500104.1666666667193.452380952416822380.1336112200000.00065125000.000432500111.6071428571184.659090909117623415.4766104200000.00065125000.000432500120.1923076923176.630434782618424452.390496200000.00065125000.000432500130.2083333333169.270833333319225490.87588200000.00065125000.000432500142.0454545455162.520026530.930480200000.00065125000.000432500156.25156.2520827572.556672200000.00065125000.000432500173.6111111111150.46296296321628615.753664200000.00065125000.000432500195.3125145.089285714322429660.521456200000.00065125000.000432500223.2142857143140.086206896623230706.8648200000.00065125000.000432500260.4166666667135.4166666667240

ejercicio 2,412.413.1416A-BA-CA-D A-EB-CB-DB-EC-DC-ED-Ediamentrolargo totalE distancia(mm)180300400500120220320100200100varilla cilindrica de acero 0.04300200,000,000,000.00distancia (m)0.180.30.40.50.120.220.320.10.20.1varilla cilindrica de latn 0.03200105,000,000,000.00A-C=/4*d^2 =/4*40^2 =0.001256640mm^20.0000000012566m^2FUERZA B-C=60000FUERZA D-E=40000EA= 131,947 x 10 ^6131.947200Ra=0C-E=/4*d^2 =/4*30^2 =0.00070686mm^20.0000000009094560.0000000007069m^2909.456069EA= 141,3 x 10 ^6141372000141300000A-BP=RAL (m) =0.18AB=PL/EA=0.000000013746*RaP=Ra-Fbc=-60000B-CBC=PL/EA=((Ra-60000)(0,120))/131947*10^6=(54.567281)

ejercicio 2,602.6aluminioacero inoxidablearea (m^2)0.0020.0008temperatura inicial: 20distancia de dilatacion inicial: (mm)0.5E (pa)75000000000190000000000.00temperatura final:140distancia de dilatacion inicial: (m)0.0005 ( C)0.0000230.0000173T:120largo (mm)300250largo( m)0.30.25ST= La ( T) + Ls (T) ST= (0,3)(23*10^-6)(120) + (0,25)(17,3*10^-6)(120)ST=0.001347SP=0.000847SP= (P *La)/(Ea * Aa) + ( P *Ls)/ (Es*Ls)=(La)/(Ea * Aa) + ( Ls)/ (Es*Ls))*pSp=0.0000000036447*pp=232389.891696751a) a=(-)p/Aa=-116194945.848375Pa

b)a=La*a(t) - (P *La)/(Ea * Aa)0.0003632202