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modul aliran seragam.pdf

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V<br />

n<br />

R<br />

i f<br />

= kecepatan <strong>aliran</strong> (m/det)<br />

= angka kekasaran Manning<br />

= Jari – jari hidrolik (m)<br />

= kemiringan garis energi (m/m)<br />

Apabila<br />

dihubungkan<br />

Persamaan<br />

Chezy<br />

dan<br />

Persamaan<br />

Manning<br />

akan<br />

diperoleh<br />

hubungan<br />

antara koefisien Chezy (C) dan koefisien Manning (n)<br />

sebagai berikut :<br />

V<br />

C<br />

=<br />

=<br />

C<br />

1<br />

n<br />

R<br />

R<br />

1<br />

6<br />

i<br />

f<br />

=<br />

1<br />

n<br />

R<br />

2<br />

3<br />

i<br />

1<br />

2<br />

(3.16)

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