commit to user
117
Tugas Akhir
Perencanaan Struktur Bangunan Sekolahan 2 Lantai
BAB 5 Plat Lantai 5.8. Penulangan tumpuan arah y
Mu = 627,03
kgm = 6,27.10
6
Nmm
Mn = φ
Mu =
= 8
, 10
. 27
, 6
6
7,84.10
6
Nmm Rn
= =
2
.d b
Mn =
2 6
95 .
1000 10
. 84
, 7
0,869 Nmm
2
M =
29 ,
11 25
. 85
, 240
. 85
, =
= c
f fy
ρ
perlu
= ⎟
⎟ ⎠
⎞ ⎜
⎜ ⎝
⎛ −
− fy
Rn .
m 2
1 1
. m
1
= .
29 ,
11 1
⎟⎟ ⎠
⎞ ⎜⎜
⎝ ⎛
− −
240 869
, .
29 ,
11 .
2 1
1 = 0,0037
ρ ρ
max
ρ ρ
min
, di pakai ρ
perlu
= 0,0037 As
= ρ
perlu
. b . d = 0,0037 . 1000 . 95
= 351,5 mm
2
Digunakan tulangan ∅ 10
= ¼ . π . 10
2
= 78,5 mm
2
Jumlah tulangan =
47 ,
4 5
, 78
5 ,
351 =
~ 5 buah. Jarak tulangan dalam 1 m
1
= 200
5 1000 =
mm Jarak maksimum
= 2 x h = 2 x 120 = 240 mm As yang timbul
= 5. ¼. π.10
2
= 392,5 351,5 As ….ok Dipakai tulangan
∅ 10 – 200 mm
commit to user
118
Tugas Akhir
Perencanaan Struktur Bangunan Sekolahan 2 Lantai
BAB 5 Plat Lantai 5.9. Rekapitulasi Tulangan
Dari perhitungan diatas diperoleh : Tulangan lapangan arah x
∅ 10 – 250 mm
Tulangan lapangan arah y
∅ 10 – 333 mm
Tulangan tumpuan arah x
∅ 10 – 143 mm
Tulangan tumpuan arah y
∅ 10 – 200 mm
Tabel 5.2. Penulangan Plat Lantai TIPE
PLAT
Berdasarkan perhitungan Penerapan di lapangan
Tulangan Lapangan Tulangan Tumpuan
Tulangan Lapangan Tulangan Tumpuan
Arah x mm
Arah y mm
Arah x mm
Arah y mm
Arah x mm
Arah y mm
Arah x mm
Arah y mm
A ∅10–250
∅10–333 ∅10–143 ∅10–200 ∅10–240 ∅10–240 ∅10–120 ∅10–120 B
∅10–250 ∅10–333
∅10–143 ∅10–200
∅10–240 ∅10–240
∅10–120 ∅10–120
C ∅10–250
∅10–333 ∅10–143
∅10–200 ∅10–240
∅10–240 ∅10–120
∅10–120 D
∅10–250 ∅10–333
∅10–143 ∅10–200
∅10–240 ∅10–240
∅10–120 ∅10–120
E ∅10–250 ∅10–333 ∅10–143 ∅10–200 ∅10–240 ∅10–240 ∅10–120 ∅10–120
F ∅10–250
∅10–333 ∅10–143
∅10–200 ∅10–240
∅10–240 ∅10–120
∅10–120 G
∅10–250 ∅10–333
∅10–143 ∅10–200 ∅10–240 ∅10–240 ∅10–120 ∅10–120
H ∅10–250
∅10–333 ∅10–143
∅10–200 ∅10–240
∅10–240 ∅10–120
∅10–120 I
∅10–250 ∅10–333
∅10–143 ∅10–200
∅10–240 ∅10–240
∅10–120 ∅10–120
J ∅10–250
∅10–333 ∅10–143
∅10–200 ∅10–240
∅10–240 ∅10–120
∅10–120 K
∅10–250 ∅10–333
∅10–143 ∅10–200
∅10–240 ∅10–240
∅10–120 ∅10–120
commit to user Tugas Akhir
Perencanaan Struktur Bangunan Sekolahan 2 Lantai
BAB 6 Balok Anak