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Metode Slope- Deflection(sudut kemiringan- defleksi)

• Metode slope-deflection (sudut kemiringan- defleksi) menghubungkan sudut kemiringan dan defleksi yang tidak diketahui terhadap beban yang bekerja pada suatu struktur.

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• Pers slope-deflection dapat diperoleh dg prinsip superposisi, memperhatikan momen yg terjadi pd perletakan akibat perpindahan ( ) dan beban.dan , BA

Akibat sudut di A ( ) :A

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Akibat sudut di B ( ) :B

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Akibat perpindahan relatif ( ) :

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Akibat momen ujung (fixed end moments) – FEM :

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Persamaan slope- deflection :

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Ujung jauh berupa sendi :

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Prosedur Analsis :

1. Degree of freedom2. Persamaan slope-deflection3. Persamaan kesetimbangan

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Contoh-1 Gambarkan SFD dan BMD pd balok tergambar, jika EI konstan.

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Contoh-2 Gambarkan SFD dan BMD pd balok tergambar, jika EI konstan.

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Contoh-3

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Contoh-4

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