Tugas Akhir
Perencanaan Struktur Gedung Sekolahan 2 Lantai
BAB 5 Plat Lantai 99
n = s
b
= 100
1000 = 10
As yang timbul = 10. ¼ . . 10
2
= 785 mm
2
As
perlu
…..…ok Dipakai tulangan
10 – 120 mm
5.6. Penulangan tumpuan arah y
Mu = 971,802 kgm = 971,802.10
6
Nmm
Mn =
M u =
8
, 802
, 971
6
12,1475.10
6
Nmm
Rn =
2
.dx b
Mn
2 6
95 .
1000 10
. 1475
, 12
1,346 Nmm
2
m =
412 ,
9 30
. 85
, 240
. 85
,
c
f fy
perlu
=
fy
Rn .
m 2
1 1
. m
1
= .
412 ,
9 1
240 346
, 1
. 412
, 9
. 2
1 1
= 0,00576
max
min
, di pakai
perlu
= 0,00576 As
perlu
=
perlu
. b . dx = 0,00576 . 1000 . 95
= 547,58 mm
2
Tugas Akhir
Perencanaan Struktur Gedung Sekolahan 2 Lantai
BAB 5 Plat Lantai 100
Digunakan tulangan 10
As = ¼ . . 10
2
= 78,5 mm
2
S =
p erlu
As b
As .
= 58
, 547
1000 .
5 ,
78
= 143,358 ~ digunakan 120 mm n =
s b
= 100
1000 = 10
As yang timbul = 10. ¼ . . 10
2
= 785 mm
2
As
perlu
…..…ok Dipakai tulangan
10 – 120 mm
5.7. Penulangan lapangan arah x
Mu = 400,154 kgm = 4,00154.10
6
Nmm Mn
= M u
=
6 6
10 .
0019 ,
5 8
, 10
. 00154
, 4
Nmm
Rn =
2
.dx b
Mn
2 6
95 .
1000 10
. 0019
, 5
0,554 Nmm
2
m =
412 ,
9 30
. 85
, 240
. 85
,
c
f fy
perlu
=
fy
Rn .
m 2
1 1
. m
1
=
240
554 ,
. 412
, 9
. 2
1 1
. 412
, 9
1
= 0,00233
max
min
, di pakai
perlu
= 0,0025 As
=
perlu
. b . dx
Tugas Akhir
Perencanaan Struktur Gedung Sekolahan 2 Lantai
BAB 5 Plat Lantai 101
= 0,0025. 1000 . 95 = 237,5 mm
2
Digunakan tulangan 10
As = ¼ .
. 10
2
= 78,5 mm
2
S =
p erlu
As b
As .
= 5
, 237
1000 .
5 ,
78
= 330,52 ~ 300 mm Jarak maksimum = 2 x h
= 2 x 120 = 240 mm
n = s
b
= 240
1000 = 4,2
5 As yang timbul = 5. ¼ .
. 10
2
= 392,5 mm
2
As …ok
Dipakai tulangan
10 – 240 mm
5.8. Penulangan lapangan arah y
Mu = 400,154 kgm = 4,00154.10
6
Nmm Mn
= M u
=
6 6
10 .
0019 ,
5 8
, 10
. 00154
, 4
Nmm
Rn =
2
.dx b
Mn
2 6
95 .
1000 10
. 0019
, 5
0,554 Nmm
2
m =
412 ,
9 30
. 85
, 240
. 85
,
c
f fy
perlu
=
fy
Rn .
m 2
1 1
. m
1
Tugas Akhir
Perencanaan Struktur Gedung Sekolahan 2 Lantai
BAB 5 Plat Lantai 102
=
240
554 ,
. 412
, 9
. 2
1 1
. 412
, 9
1
= 0,00233
max
min
, di pakai
perlu
= 0,0025 As
=
perlu
. b . dx = 0,0025. 1000 . 95
= 237,5 mm
2
Digunakan tulangan 10
As = ¼ .
. 10
2
= 78,5 mm
2
S =
p erlu
As b
As .
= 5
, 237
1000 .
5 ,
78
= 330,52 ~ 300 mm Jarak maksimum = 2 x h
= 2 x 120 = 240 mm n =
s b
= 240
1000 = 4,2
5 As yang timbul = 5. ¼ .
. 10
2
= 392,5 mm
2
As …ok
Dipakai tulangan
10 – 240 mm
5.9. Rekapitulasi Tulangan