Page 232 - Dasar Perencanaan Struktur beton bertulang OK 1_Neat

Luas tulangan daerah tumpuan arah X,
2
As = ρ.b.d = 0,0042x1000x165 = 687,5 mm
x
tx
digunakan D10 mm, jumlah tulangan =
As 687,5
n = tx = = 8,76

As diameter 10 1/ 4. .10 2
jarak tulangan perlu =

b 1000
S = = = 114,18 mm
perlu
n 8,76
Jarak tulangan maksimum, Smak1 = 3 x tebal pelat
= 3 x 200 = 600 mm

Smak2 = 500 mm
Jadi jarak yang digunakan S mak = 114,18 mm.
Digunakan jarak tulangan S = 100 mm

Digunakan tulangan tumpuan arah X,
D10 – 100 dengan luas tulangan terpasang,

1000
As = x As D 10
terpasang
S terpasang
1000

As = x 1/4 x x 10 2 = 785 mm 2
terpasang
100

219