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el documento contiene un breve adenlanto de un plano estructural y la modificacion de un rejo monumental
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Entortado 0.02 1 1 1500 30 Losa de concreto 0.10 1 1 2400 240 Carga viva 100 370 CALCULO DE COEFICIENTES: Fig. 1 C = B / L 4.15 3.85 1. Para el calculo estructural se tomarán en cuenta los siguientes valores: f y = 4000 K = 15 f s = 2000 j = 0. f ' c = 200 n = 14 CALCULO DE LA LOSA: 4.15 (^) f = 3/8" = 0. Losa Claro Lado Momento = W * B^2 * C Acero = M / (fs * j * d) Separ.
d 0.021 133.9 1.0 1 74
Mmax= 261. d = sqrt(Mmax / kb) = 4.2 se adopta 8 cm h = d + r = 8 + 2 = 10 cm Kg/m^2 Kg/m^2 C 1 = Kg/cm^2 Kg/cm^2 Kg/cm^2 B 1 = cm^2 No. f Kg/m^2
W = A * P = 5.68 370 2103 Kg 2103 4.15 507 Kg/m 507 17.22 10 872.8 Kg.m d = Sqrt (Mmax / Kb) = 87277 15 12 22. se adopta 17 cm h = d +3 = 17 3 20 cm = 87277 2000 0.87 17 3. 15 12 289 52020 Kg.cm 87277 52020 35257 Kg.cm 52020 2000 0.87 17 1. 35257 2000 17 3 1. Tensión = 1. Compresión = 1. DISEÑO A CORTANTE: Fuerza Cortante Máxima Vmax = 506.76 4.15 2 1052 Kg Esfuerzo Cortante Máximo 1052 12 17 5. Esfuerzo Cortante Admisible: 0.29 200 4. Resultando: n > 5.15 > 4.10 SI necesita estribos Se proponen: 0. Av = 2Ev = 2 0.32 0. fv = 0.8 * fs = 0.8 2000 1600 5.15 4.10 1. S = (Av * fv) / (v' * b) = 81.01 cm Por especificación: separación máxima = d / 2 = 8.5 cm A 1 = 1/2(Bh)= m^2 A 2 = 1/2(B+b)h = m^2 AT = A 1 + A 2 = m^2 w = W / L = MT = w * L^2 / 10= AST = Mmax / (fsjd) = cm^2 M 1 = Q * b * d^2 = M 2 = MT - M 1 = As 1 = M 1 / (fsj*d) = cm^2 As 2 = M 2 / (fs(d-d')) = cm^2 cm^2 3 ᶲ3/8"(2.13cm 2 ) cm^2 2 ᶲ3/8"(1.42cm 2 ) w * L / 2 = n = V / (b * d) = Kg/m^2 na = 0,29sqrt(f'c) = Kg/m^2 na Ev (f) = 1/4" = cm^2 cm^2 Kg/m^2 n' = n - na = Kg/cm^2 0.37^ 1.89 4.
0.37^ 1.89 4.
S = (Av * fv) / (v' * b) = -180.05 cm Por especificación: separación máxima = d / 2 = 8 cm CALCULO DE TRABES (AZOTEA): EJE: F / 1 - 3 L = 3. 0.5 3.00 1.48 2. 0.5 3.00 1.48 2. 2.22 2.22 4. W = A * P = 4.44 370 1643 Kg 1643 3.00 548 Kg/m 548 9.00 10 493.0 Kg.m d = Sqrt (Mmax / Kb) = 49297 15 12 16. se adopta 16 cm h = d + 2 = 16 2 18 cm = 49297 2000 0.87 16 1. 15 12 256 46080 Kg.cm 49297 46080 3217 Kg.cm 46080 2000 0.87 16 1. 3217 2000 16 2 0. Tensión = 1. Compresión = 0. DISEÑO A CORTANTE: Fuerza Cortante Máxima Vmax = 547.75 3 2 822 Kg Esfuerzo Cortante Máximo 822 12 16 4. Esfuerzo Cortante Admisible: 0.29 200 4. Resultando: n > 4.28 > 4.10 Si necesita estribos Se proponen: 0. A 1 = 1/2(bh) = m^2 A 2 = 1/2(bh) = m^2 AT = A 1 + A 2 = m^2 w = W / L = MT = w * L^2 / 10 = AST = Mmax / (fsjd) = cm^2 M 1 = Q * b * d^2 = M 2 = MT - M 1 = As 1 = M 1 / (fsjd) = cm^2 As 2 = M 2 / (fs(d-d')) = cm^2 cm^2 3 f 3/8"(2.13cm^2 ) cm^2 2 f 3/8"(1.42 cm^2 ) w * L / 2 = n = V / (b * d) = Kg/m^2 na = 0,29sqrt(f'c) = Kg/m^2 na Ev (f) = 1/4" = cm^2
Av = 2Ev = 2 0.32 0. fv = 0.8 * fs = 0.8 2000 1600 4.28 4.10 0. S = (Av * fv) / (v' * b) = 479.23 cm Por especificación: separación máxima = d / 2 = 8 cm cm^2 Kg/m^2 n' = n - na = Kg/cm^2
Kg.cm Kg.cm Kg/m^2 Kg/m^2 Kg/m^2 Kg/cm^2
Kg.cm Kg.cm Kg/m^2 Kg/m^2
Fig. 2 C = B / L 4.15 3.85 1. CALCULO DE LA LOSA (ENTRE PISO) 4.15 0. Losa Claro Lado Momento = W * B^2 * C Acero = M / (fs *j *d) Separ. I C cont 711 17.22 0.041 502.1 2000 0.87 8 3.6 5 20 ***** cc 0.031 379.6 2.7 4 **26 *** L cont 0.041 502.1 3.6 5 20 ***** disc 0.021 257.1 1.8 3 38 cc 0.031 379.6 2.7 4 **26 *** Mmax= 502. d = sqrt(Mmax / kb) = 5.8 se adopta 8 cm Por especificación, la separación maxima será 3h = 30 cm Kg/m^2 Kg/m^2 C 1 = B 1 = f = 3/8" = cm^2 No. f
S M =^ #REF!^ Kg.m
CALCULO DE LA CIMENTACION A / 5 ANALISIS DE CARGAS W = #REF! Kg Wsc = #REF! 1.15 #REF! Kg DISEÑO Rt = 25000 Kg/m A = 2Wsc / Rt = 2 #REF! 25000 #REF! L = sqrt(A) = #REF! m se adopta 1.40 m por lo tanto A= 1. FATIGAS DEL TERRENO y = L / 2 = 1.40 2 0.70 m I = L^4 / 12 = 3.84 12 0. F = W * Cs = #REF! 0.08 #REF! Kg M = F * L = #REF! 1.40 #REF! Kg.m Wsc / A = #REF! 1.96 #REF! M * y / I = #REF! 0.70 0.32 #REF! Por lo tanto (+) fmax = #REF! + #REF! #REF! (-) fmin = #REF! - #REF! #REF! Como: fmax < 25000 fmin > 0 se acepta el area de desplante MOMENTO FLEXIONANTE EN LA CARA DEL DADO fmax - fmin = #REF! #REF! #REF! ancho del dado = a = 0.50 m 1.40 0.50 2 0.45 m long. en la cara del dado = 0.50 0.45 0.95 m #REF! : 1.40 :: X : 0. X = #REF! 0.95 1.4 #REF! #REF! #REF! #REF! m^2 m^4 Kg/m^2 Kg/m^2 Kg/m^2 Kg/m^2 Kg/m^2 Kg/m^2 vuelo ( l ) = L - a / 2 =