Perhitungan dan penurunnan sumus pelat cangkanagFull description
Metode perencanaan langsung pelatDeskripsi lengkap
Deskripsi lengkap
laporan pekerjann pelat lantaiFull description
-
Full description
pelat
MATA KULIAH BAJADeskripsi lengkap
Pelat Jembatan Precast
contoh perhitungan kubah dengan bentang 10 meterFull description
pelatDeskripsi lengkap
Perhitungan Pelat
Perhitungan Pelat lantai beton bertulang menurut teori dan peraturan
Perencanaan Struktur Pelat Beton
Penulangan pelat lantaiDeskripsi lengkap
Perhitungan Buckling pelat Diketahui:
tebal pelat = jarak pembujur = jarak pelintang = panjang tongkang = lebar tongkang = tinggi tongkang = E= s yield = n =
a.
10 600 2000 100 12 6 200 250 1/4
mm mm mm m m m GPa MPa
pembujur alas = 150 x 75 x 12 pembujur sisi = 130 x 65 x 10 pembujur geladak = 130 x 65 x 10 pelintang alas = 800 x 400 x 12 pelintang sisi = 400 x 200 x 12 pelintang geladak = 400 x 200 x 12 s tekan-sag. = 50 s tarik-sag. = 40 s tekan-bend. = 30 s tarik-bend. = 30
mm mm mm mm mm mm 2 N/mm 2 N/mm 2 N/mm 2 N/mm
bidang pelat yang perlu diperiksa: 1). pelat deck tepi kiri 2). pelat sisi kiri bagian paling paling atas karena yang mengalami beban tekan tekan terbesar dibandingkan dengan bagian yang lain.
bentuk pembebanan: 1). 2000
mm 30
77
N/mm
77
N/mm
h 600 mm
600 6000 000 mm
80
N/mm
2
80
N/mm
2
h=
27
N/mm
2
41
N/mm
2
2). 2000
mm 50
80
N/mm
80
N/mm
h 600 mm
600 3333 3333.3 .33 3 mm
71
N/mm
2
71
N/mm
2
h=
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
Buckling pelat geladak nama bagian panjang tongkang lebar tongkang tinggi tongkang jarak pembujur * jarak pelintang *
simbol b a
plate thickness as built
ta
material factor corrosion allowance acc. to K
k tK
nominal plate thickness lateral load
t p
beban tekan
sx-a
formula -
nilai 100000 12000 6000 600 2000
satuan mm mm mm mm mm
-
10
mm
1 1.50
mm mm
-
8.50 0 0.00 80
mm Pa 2 KN/mm 2 N/mm
-
80
N/mm
2
-
77
N/mm
2
77 0 0 0 0 3.333333333 20 1 200 2.00E+05 250
N/mm 2 N/mm 2 N/mm 2 N/mm 2 N/mm GPa 2 N/mm MPa
250 1.1
N/mm -
0.1 ta / (k)
.
+ 0.5
keterangan
* tergantung perencanaan
for ta > 10 mm, for ta 10 mm
sx-b
ta - t K
aspect ratio number of single plate… correction factor modulus young
a n F1 E
nominal yield point
ReH
a/b S long. stiffener + 1 -
S
-
sy t
safety factor
t K = 1.5 mm
2
2
for stiffeners sniped at both ends fo f or steel for hull structural steels according to Section 2, B.2. in general
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
load case sx
nama bagian edge stress ratio buckling factor reference stress reference degree of slenderness weighting factor reductions factor
sx
b t a b
y .sx
simbol y K c se l
formula 8.4/(y + 1.1) 1.25 - 0.12 y 2 0.9 . E (t/b) (ReH/K .se)^0.5
F2 kx
c(1/l - 0.22/l )
nilai 0.9625 4.072727273 1.1345 36.12500 1.30354 0 0.72344
satuan 2 kN/m -
a 1
> y 1.25
0.673 to be used
1
sx > 0 (compressive stress)
F2
0
:
exponents
kpx
kpx = kx
F kk
0.5(1+ 0.34(l - 0.2)+l ) . 1/(F+(F -l ) )
0.72344
-
1.53721 0.42518
-
4
1.27391
-
4
1.10083
-
1.35852
-
2
e1
1 + kpx
e2
1 + kpy
e3
1 + kpx . kpy . kt
2
for l l > 0.2
proof of single plate fields S |sx|
1.1 80
kpx
0.72344
ReH
250 1.27391
e1 cek buckling :
1). + 2). - 3). + 4).
|sx| . S kpx . ReH e1
=
88 180.860
( |sx| . S / kpx . ReH )
0.39944
1.0 0.39943527
tidak buckling
must be < 1
keterangan 1 0
1).
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
Merancang ukuran pembujur geladak
tebal pelat awal tebal pelat jarak pembujur * jarak pelintang * lateral load
ta t b a p
lebar efektif
bm
kpx . b
10 8.50 600 2000 0 0.0 434. 434.06 063 3
mm mm mm mm Pa 2 KN/m mm
pembujur direncanakan menggunakan profil L dengan ukuran sbb: ukuran pembujur *
bm hw bf
434.063 130 65
ta tw tf
10 10 10
* direncanakan
angle-, tee and bulb setions: web:
flange:
hw/tw
bi/tf
0.5
60.0 (k)
0.5
19.5 (k)
hw/tw 0.5 60.0 (k)
13
bi = bf - tw bi/tf 0.5 19.5 (k)
55
gambar pembujur:
ukuran terpenuhi 60
5.5 19.5
ukuran terpenuhi
Y bm
10 10 130 X 65 10
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
no. 1 2 3
nama bagian pelat pengikut pelat bilah pelat hadap
hor mm 434.063 10 65
ver mm 10 130 10
A mm 4340.630 1300.000 650.000 6290.630
S Ax =
lateral buckling nama bagian
uniformly distributed…
d mm 145 75 5
Ad mm
S2 / S1 h - z1 S3 + S4 Ix - z1 S1
116.068079 33.93192103 100462910.1 15716812.29
mm mm 4 mm mm
Wst =
INA / z2
463186.6339
mm
simbol
formula (sa + sb) S/ReH
nilai
satuan 1
80
N/mm
sa
sa = sx
moment of inertia… modulus young ideal buckling force
Ix E FKix
.E.Ix.10 .10 p /a .E.Ix
bending moment -
M1 a/b m1 m2
p . b . a /24 . 10 (m (m1/a2 + m2/b2) 0.5 (ReH E (m1/a2 + m2/b2))
cek lateral buckling torsional buckling nama bagian
4
satuan N/mm
1
keterangan
2
0.169 2
-
f
0.5 (1 + 0.34(lT - 0.2) + lT )
-
-
f
2
0.508847586 0.258925866 0.028398683
2
-
-
lT 2 2 0.5 (f - lT )
-
kT
1 / (f + (f - lT ) )
0.480132464 .
1.0111
tidak buckling
for lT > 0.2
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
The world's largest digital library
Try Scribd FREE for 30 days to access over 125 million titles without ads or interruptions! Start Free Trial Cancel Anytime.
Pengecekan kekakuan Penegar Momen inersia ( I ) dari penegar tidak boleh kurang dari: 4
I= cW nama bagian momen inersia
section modulus unsupported span
simbol I c W l
-
nilai 10046.29 870982 4 463.1866 8862.923 2 0.6
cm
satuan 4 cm 4 cm 3 cm 3 cm m m
keterangan for long. Stiffener for trans. Stiffener if both ends are simply supported for long. Stiffener for trans. Stiffener for long. Stiffener for trans. Stiffener