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PERHITUNGAN KEBUTUHAN TULANGAN
TULANGAN ATAS
1.
TULANGAN ATAS
D
=
mm
JML
=
btg
a. Jari2 Diameter
= 1/2 x D
= 1/2 x
TULANGAN BAWAH
=
mm
JML
=
btg
b. Luas Diameter
= 3,14 x r
2
=
3,14 x
2
TULANGAN DILAPANGAN
=
3,14 x
D
=
mm
=
mm
c Total besi
Diameter
= Luas Diameter x Btg/Lonjor
= mm x
Btg
=
mm
D
= Diameter
Jml
= Jumlah
2.
TULANGAN BAWAH
Total besi
Diameter
=
Luas Diameter x
Btg/Lonjor
= mm x Btg
=
mm
3
TULANGAN DILAPANGAN
a. Jari2 Diameter
= 1/2 x D
= 1/2 x
=
mm
b. Luas Diameter
= 3,14 x r
2
=
3,14 x
2
=
3,14 x
=
mm
4
KEBUTUHAN BESI TULANGAN DIAMETER
a Tulangan atas
=
:
=
=
Batang/Lonjor
b Tulangan Bawah
=
:
=
=
Batang/Lonjor