Tugas Akhir Perencanaan Struktur Gedung Perpustakaan 2 Lantai
5.5. Penulangan tumpuan arah x
Mu = 1867,514 kgm = 1,8675.10
7
Nmm
Mn =
M u =
8
, 10
. 8675
, 1
7
2,3344.10
7
Nmm
Rn =
2
.d b
Mn
2 7
94 .
1000 10
. 3344
, 2
2,6419 Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c
f fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
=
. 294
, 11
1
240 6419
, 2
. 294
, 11
. 2
1 1
= 0,012
max
min
, di pakai = 0,012
As =
. b . d = 0,012 . 1000 . 94
= 1128 mm
2
Digunakan tulangan 12
= ¼ . . 12
2
= 113,04 mm
2
S =
per lu
As A
1000 .
=
1128 1000
. 04
, 113
= 100,21 ~ 110 mm Jarak maksimum = 2 x h = 2 x 120 = 240 mm
As yang timbul = 10. ¼ . .12
2
= 1130,4 mm
2
As…..…ok Dipakai tulangan
12 – 110 mm
Tugas Akhir Perencanaan Struktur Gedung Perpustakaan 2 Lantai
5.6. Penulangan tumpuan arah y
Mu = 1396,102 m = 1,3961.10
7
Nmm Mn
= M u
=
8 ,
10 .
3961 ,
1
6
1,7451.10
7
Nmm
Rn =
2
.d b
Mn
2 7
82 .
1000 10
. 7451
, 1
2,5953Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c
f fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
=
. 294
, 11
1
240 5953
, 2
. 294
, 11
. 2
1 1
= 0,012
max
min
, di pakai = 0,012
As =
. b . d = 0,012 . 1000 . 82
= 1128 mm
2
Digunakan tulangan 12
= ¼ . . 12
2
= 113,04 mm
2
S =
per lu
As A
1000 .
=
1128 1000
. 04
, 113
= 100.21 ~ 110 mm Jarak maksimum
= 2 x h = 2 x 120 = 240 mm As yang timbul
= 10. ¼ . . 12
2
= 11304 mm
2
As…..…ok Dipakai tulangan
12 – 110 mm
Tugas Akhir Perencanaan Struktur Gedung Perpustakaan 2 Lantai
5.7. Penulangan lapangan arah x
Mu = 870,248 kgm = 8,7025.10
6
Nmm Mn
= M u
=
6 6
10 .
878 ,
10 8
, 10
. 7025
, 8
Nmm
Rn =
2
.d b
Mn
2 6
94 .
1000 10
. 878
, 10
1,2312 Nmm
2
m =
294 ,
11 25
. 85
, 240
. 85
,
c
f fy
perlu
=
fy Rn
. m
2 1
1 .
m 1
=
240 2312
, 1
. 294
, 11
. 2
1 1
. 294
, 11
1
= 0,0053
max
min
, di pakai
perlu
= 0,0053 As
=
perlu
. b . d = 0,0053. 1000 . 94
= 498,2 mm
2
Digunakan tulangan 12
= ¼ . . 12
2
= 113,04 mm
2
S =
per lu
As A
1000 .
= 2
, 498
1000 .
04 ,
113 = 226,89 ~ 200 mm
Jarak maksimum = 2 x h = 2 x 120 = 240 mm
As yang timbul =5. ¼ .
. 12
2
= 565,2 As ….…ok
Dipakai tulangan
12 – 200 mm
Tugas Akhir Perencanaan Struktur Gedung Perpustakaan 2 Lantai
5.8. Penulangan lapangan arah y
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