Tugas Akhir Perencanaan Struktur Bank Pasar 2 Lantai
101
BAB 5 Plat Lantai
m =
2942 ,
11 25
. 85
, 240
. 85
,
c f
fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
= .
2942 ,
11 1
240 1862
, 1
. 2942
, 11
. 2
1 1
= 0,005089
max
min
, di pakai
perlu
= 0,006024 As
perlu
=
perlu
. b . dx = 0,005089 . 1000 . 95
= 483,46 mm
2
Digunakan tulangan 10
As = ¼ . . 10
2
= 78,5 mm
2
S =
per lu
As b
As
. =
46 ,
483 1000
. 5
, 78
= 162,37 ~ 160 mm n =
s b
=
160 1000
= 6,25
As yang timbul = 6,25. ¼ . . 10
2
= 490,63 mm
2
As
perlu
…..…ok Dipakai tulangan
10 – 160 mm
5.6. Penulangan tumpuan arah y
Mu = 1089,99 kgm = 10,8999.10
6
Nmm
Tugas Akhir Perencanaan Struktur Bank Pasar 2 Lantai
102
BAB 5 Plat Lantai
Mn =
M u =
6 6
10 .
625 ,
13 8
, 10
. 8999
, 10
Nmm
Rn =
2
.dy b
Mn
886 ,
1 85
. 1000
10 .
625 ,
13
2 6
Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c f
fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
=
240 886
, 1
. 294
, 11
. 2
1 1
. 294
, 11
1
= 0,008242
max
min
, di pakai
perlu
= 0,008242 As
perlu
=
perlu
. b . d = 0,008242 . 1000 . 85
= 700,57 mm
2
Digunakan tulangan 10
As = ¼ . . 10
2
= 78,5 mm
2
S =
per lu
As b
As
. =
57 ,
700 1000
. 5
, 78
= 112,05 ~ 110 mm n =
s b
=
110 1000
= 9 As yang timbul = 9. ¼ .
. 10
2
= 706,5 mm
2
As
perlu
…ok Dipakai tulangan
10 – 110 mm
Tugas Akhir Perencanaan Struktur Bank Pasar 2 Lantai
103
BAB 5 Plat Lantai
5.7. Penulangan lapangan arah x
Mu = 342,57 kgm = 3,4257.10
6
Nmm Mn
= M u
=
6 6
10 .
282 ,
4 8
, 10
. 4257
, 3
Nmm
Rn =
2
.dx b
Mn
2 6
95 .
1000 10
. 282
, 4
0,4745 Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c f
fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
=
240 4745
, .
294 ,
11 .
2 1
1 .
294 ,
11 1
= 0,001999
max
min
, di pakai
min
= 0,0025 As
=
min
. b . dx = 0,0025. 1000 . 95
= 237,5 mm
2
Digunakan tulangan 10
As = ¼ .
. 10
2
= 78,5 mm
2
S =
per lu
As b
As
. =
5 ,
237 1000
. 5
, 78
= 330,52 ~ 330 mm Jarak maksimum = 2 x h
= 2 x 120 = 240 mm
n =
s b
=
240 1000
Tugas Akhir Perencanaan Struktur Bank Pasar 2 Lantai
104
BAB 5 Plat Lantai
= 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 = 498,28 kgm = 4,9828.10
6
Nmm
Mn =
M u =
6 6
10 .
23 ,
6 8
, 10
. 9828
, 4
Nmm
Rn =
2
.dy b
Mn
2 6
85 .
1000 10
. 23
, 6
0,8623 Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c
f fy
i
perlu
=
fy Rn
m m
. .
2 1
1 .
1
= .
294 ,
11 1
240 8623
, .
294 ,
11 .
2 1
1
= 0,00367
max
min
, di pakai
perlu
= 0,00367 As =
perlu
b . d = 0,00367 . 1000 . 85
= 311,95 mm
2
Digunakan tulangan 10
As = ¼ . . 10
2
= 78,5 mm
2
S =
p er lu
As b
As .
= 95
, 311
1000 .
5 ,
78 = 251,643 ~ 250 mm
Jarak maksimum = 2 x h = 2 x 120
= 240 mm
Tugas Akhir Perencanaan Struktur Bank Pasar 2 Lantai
105
BAB 5 Plat Lantai
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
