Ejercicio 7.docx

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Ejercicio 7

𝐺 = 𝑅 + 3𝑏3 + 2𝑏2 + 𝑏1 − 3𝑛1 − 2𝑛2 − 𝑛1 Reacciones R=4

Barras 𝑏3 =3

Nudos

𝑛3 = 5 𝑏2 = 6 𝑛2 = 2 𝑏1 = 1 𝑛1 = 1 𝐺 = 𝑅 + 3𝑏3 + 2𝑏2 + 𝑏1 − 3𝑛1 − 2𝑛2 − 𝑛1 𝐺 = 4 + 3(3) + 2(6) + (1) − 3(5) − 2(2) − (1) = 6

Es una estructura estable de 6° grado de hipertaticidad Ejercicio 8 Reacciones R=4

Barras

Nudos

𝑏3 = 𝑏2 = 𝑏1 = 𝐺 = 𝑅 + 3𝑏3 + 2𝑏2 + 𝑏1 − 3𝑛1 − 2𝑛2 − 𝑛1

Es una estructura estable de 6° grado de hipertaticidad

𝑛3 = 𝑛2 = 𝑛1 =

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