Engineering">
Paredes Morales
Paredes Morales
Paredes Morales
TEMA:
Examen Final
DOCENTE: ING. VILLAR QUIRÓZ JOSUALDO
ALUMNO:
PAREDES MORALES GIL ALEXANDER
AYACUCHO – PERU
2021
INGENIERIA CIVIL
PROBLEMA Nº 1
10 Tn 9Tn/m
4m 4m 6 m
Paso 1:
GRADOS DE LIBERTAD
B C
4m 4m
𝑃𝑥𝐿 𝑃𝑥𝐿
𝑀= 𝑀=−
8 8
𝑀 = 10 𝑀 = −10
9Tn/m
6 m
𝑊𝑥𝐿2 𝑊𝑥𝐿2
𝑀= 𝑀=−
12 12
𝑀 = 40.5 𝑀 = −40.5
𝟎
𝟐𝑬𝑰𝒊𝒋 𝟎
𝟐𝑬𝑰𝒊𝒋
𝑴𝒊𝒋 = 𝑴𝒊𝒋 + 𝟐𝒊 + 𝟐𝒋 ; 𝑴𝒋𝒊 = 𝑴𝒋𝒊 + 𝟐𝒊 + 𝟐𝒋
𝑳𝒊𝒋 𝑳𝒊𝒋
Para la barra AB: Para la barra BA:
2𝑥10800 2𝑥10800
𝑀𝐴𝐵 = 10 + 2𝐴 + 2𝐵 𝑀𝐵𝐴 = −10 + 𝐴 + 2𝐵
8 8
𝑀𝐴𝐵 = 10 + 2700(𝐵 ) 𝑀𝐵𝐴 = −10 + 2700(2𝐵 )
𝑀𝐴𝐵 = 10 + 2700𝐵 𝑀𝐴𝐵 = −10 + 5400𝐵
𝑀𝐶 = 0 → 𝑀𝐶𝐵 = 0
𝐵 −0.006283
=
𝐶 0.035802
Paso 5:
CALCULO DE LOS MOMENTOS DE MANEY
Paso 6:
CALCULO DEL MOMENTO FECTOR
𝑀𝐴𝐵 = −7.2341
𝑀𝐵𝐴 = −43.9282
𝑀𝐵𝐶 = 124.1496
𝑀𝐶𝐵 = 194.6556
Paso 7:
DIAGRAMA MOMENTO FECTOR
-43.9282
-7.2341
194.6556