Berthing Load

8000 DWT

Lbp 203 m.

B 34 mbeam

Md 10320 tondisplacement of vessel

D 12.32 mdraft

Vb 0.23 m/sberthing velocity

h 17 mkedalaman perairan

1

ρ 1.03sea water density

Cb 0.1178303block coefficient

= Md / ( Lbp x B x D x ρ )K 26.874713raius of gyration of vessel

= ( 0,19 x Cb + 0,11 ) x LbpR 53.521608

g 61.480419 = arc cos [(B/2)/R]-10Ce 0.3834241eccentricity coefficient

= {K²+R² x [cos (g)]²}/(K²+R² )Cm 1.7247059mass coefficient

= 1+ 2D/BCs 1softness coefficient

Cc 1berth configuration coefficient

Energy CalculationEn 180.50939 kN-mnormal berthing energy

Ea 270.76408 kN-mabnormal berthing energy

= 1,5 x EnR 885 kN

t/m³

= √ [( Lbp/4 )² + (B/2)²]

= 0.5 x MD x Vb² x Cm x Ce x Cc x Cs

reaction fender Arch Fender Trelleborg ANP 1000 E2.5

dengan kemampuan menyerap energi hingga 372 kN

Berthing Load8000 DWT

Lbp 203 m. 0 0B 34 mbeam 0 0Md 10320 tondisplacement of vessel 0 0D 12.32 mdraft 0 0Vb 0.23 m/sberthing velocity 0 0h 17 mkedalaman perairan 0 00 1 00 0 0ρ 1.03 t/m³sea water density 0 0Cb 0.1178303 0block coefficient 0 0 = Md / ( Lbp x B x D x ρ ) 0 0K 26.874713 0raius of gyration of vessel 0 0 = ( 0,19 x Cb + 0,11 ) x Lbp 0 0R 53.521608 0 = √ [( Lbp/4 )² + (B/2)²] 0 0g 61.480419 0 = arc cos [(B/2)/R]-10 0 0Ce 0.3834241 0eccentricity coefficient 0 0 = {K²+R² x [cos (g)]²}/(K²+R² ) 0 0Cm 1.7247059 0mass coefficient 0 0 = 1+ 2D/B 0 0Cs 1 0softness coefficient 0 0Cc 1 0berth configuration coefficient 0 00 0 0Energy Calculation 0 0En 180.50939 kN-mnormal berthing energy 0 0 = 0.5 x MD x Vb² x Cm x Ce x Cc x Cs 0 0Ea 270.76408 kN-m

abnormal berthing energy 0 0 = 1,5 x En 0 0R 885 kNreaction fender Arch Fender Trelleborg ANP 10 0dengan kemampuan menyerap energi hingga 0 0

2. Current Force

2.1 Current Forces to Jetty PileCd 1.2drag coefficient

ρ 1025 kg/m^3sea water density

D platform 0.711 mdiameter of pile berthing dolphin 0.914 m

mooring dolphin 0.411 mtrestle 1.411 m

L dermaga 10.68 mlength of pile

(seabed-HWS)

2.1.1 Tranversal Current Forces Vct 0.9 m/scurrent velocity

F/L platform 0.35418465 kN/mcurrent forces to jetty pile berthing dolphin 0.4553091 kN/m = 0,5 x Cd x Vct^2 x D x ρ/1000 mooring dolphin 0.20473965 kN/m

2.2 Current Forces to Moored Ship2.2.1 Tranversal Current Forces Ctc 1.7

Cct 1

ρ 1025 kg/m^3sea water density

Vct 0.9 m/s

average current velocity

u 1.68335482146196 m/skecepatan partikel air akibat gelombang

Lbp 203 m

Dm 12.32 m

cosh ( )

sinh

H k h z

T kh

Ftc 2908.35658467527 kNtransverse current force

= Ctc x Cct x ρ x Lbp x Dm x Vct^2 x 10-4

B-06

2.1.1 Longitudinal Current Forces Vctcurrent velocity

F/Lcurrent forces to jetty pile

= 0,5 x Cd x Vct^2 x D x ρ/1000

2.2.2 Longitudinal Current Load Clc

Ccl

ρsea water density

Vct

average current velocity

Lbp

Dm

Ftc = Ctc x Cct x ρ x Lbp x Dm x Vct^2 x 10-4

0.8 m/s

platform 0.2798496 kN/mberthing dolphin 0.3597504 kN/mmooring dolphin 0.1617696 kN/mCuv.ct

0.5

1

1025 kg/m^3

0.9 m/s

203 m

12.32 m

103.821102 kN

3. Wave Force

3.1 Wave Force to Pileρ 1025 kg/m3massa jenis

g 9.81 m/s^2gravitasi

Cd 1.2koefisien drag

Cm 1.7koefisien massa

D platform 0.711 mdiameter berthing dolphin 0.914 m

mooring dolphin 0.411 mH 3.36tinggi gelombang

h dermaga 17 mkealaman perairan

|HWS-seabed| 2.209708691T 7.38 speriode

L 85.11 m 38.7524486373569

panjang gelombang

k 0.073824289827angka gelombang

A platform 12.087 m^2luas berthing dolphin 15.538 m^2 = D x h berthing dolphin 6.987 m^2

du / dt (max)

dFd / L (max)gaya drag

dFi / L (max) = ρ Cm A du/dt gaya inersia

platformelevasi z dFd / L (max)

5.5 (elevasi dermaga) 04.68 (HWS) 0 1239.070596

-6 (seabed) -17 344.5089108

berthing dolphinelevasi z dFd / L (max)

L=gT²/2π tanh (2πh/L)

= 2 π/ L

u² (max) = ( ( ПH / T) * ( cosh k(h+z) / sinh kh ) )²

= ( 2 H П² / T² ) * ( cosh k(h+z) / sinh kh )

= 0,5 ρ Cd D U² (max)

5.5 (elevasi dermaga) 04.68 (HWS) 0 1592.841807

-6 -17 442.8708079

mooring dolphinelevasi z dFd / L (max)

5.5 (elevasi dermaga) 04.68 (HWS) 0 716.2559985

-6 -17 199.1465012

36.97

platformdFi /L (max) F / L (N) F / L (kN) elevasi model 0 0 0 0 1.683354821530184.95152 31424.022 31.424022 0.82 1.683354821515916.32091 16260.83 16.26083 17.82

berthing dolphindFi /L (max) F / L (N) F / L (kN) elevasi model

0 0 0 038803.15849 40396 40.396 0.8220460.64319 20903.514 20.903514 17.82

mooring dolphindFi /L (max) F / L (N) F / L (kN) elevasi model0 0 0 017448.68505 18164.941 18.164941 0.829200.57369 9399.7202 9.3997202 17.82

4. Wind Force

4.1 Wind pressure to moored ship4.1.1 Transverse wind pressureCtw front rearsmall tankers ballast condition 1.8 1.9

loaded condition 1.6 1.8

Al ballast condition 280lateral wind area loaded condition 190

ρ 1.3 kg/m^3density of air

Vw 40 m/swind speed

Ftw front rearballast condition 104.832 110.656 kNloaded condition 63.232 71.136 kN

= Ctw x ρ x Al x Vw² x 10¯⁴

4.1.2 Longitudinal wind forceClw ballast condition 0.8small tankers loaded condition 1.2

Al ballast condition 280lateral wind area loaded condition 190

ρ 1.3 kg/m^3density of air

Vw 40 m/swind speed

Flw ballast condition 46.592 kNloaded condition 47.424 kN = Clw x ρ x Al x Vw Vw² x 10¯⁴

5. Earthquake Forcevolume platform 18.192

pelat 7.2balok B1 3.36balok B2 5.04pile cap 2.592

berthing dolphin 54mooring dolphin 19.2trestle 25.4

density 23.6 kN / m³

period platform 1.5berthing dolphin 0.79mooring dolphin 1.3trestle 4

R platform 3.5berthing dolphin 3.5mooring dolphin 3.5trestle 3.5

C platform 0.13333333333333 wilayah gempa 1: C=0.2/T untuk T>1berthing dolphin 0.2 C=0.2 untuk T<1mooring dolphin 0.15384615384615trestle 0.05

I 1faktor keutamaan

Fe platform 16.3554742857143 kN per titik 2.7259124berthing dolphin 72.8228571428572 kN per titik 7.2822857mooring dolphin 19.9173626373626 kN per titik 4.9793407trestle 8.56342857142857 kN per titik 1.0704286

m³m³m³m³m³

m³m³m³

faktor reduksi gempa

faktor respon gempa

Platform

SDL = 7.2 x lebar pembebananpile cap = 12.168 kN / titik

2. Live load = 5 kN/m2LL = 5 x lebar pembebanan

3. Current force on pile transversal Err:509 Err:509

Err:509 Err:509 Err:509Err:509 Err:509 Err:509

longitudinal 0.2798496 kN/m

4. Wave force on pile (HWS z= 0 )z F / L (kN) elevasi model 0 31.424022 0.82-17 16.26083 17.82

5. Earthquake Force Fe = 16.355474 kN Fe per titik 2.7259124

1. Dead Load = 24 kN/m³ x 0.3 m = 7.2 kN/m²

Berthing Dolphin

1. Dead Load 1296 model 1482.854 sisa -186.854 dibagi -7.7855831512 model 1626.427 sisa -114.427 dibagi -4.238037

2. Live load = 2 kN/m2 3

3. Current force on pile transversal Err:509 Err:509

Err:509 Err:509Err:509 Err:509

longitudinal 0.3597504 kN/m

4. Wave force on pile (HWS z= 0 )z F / L (kN) elevasi model0 40.396 0.82-17 20.903514 17.82

6. Berthing force

E = 270.76408 kNR = 885 kN reaction fender Arch Fender Trelleborg ANP 1000 E2.5

7. Mooring forceF = 150 kN

8. Earthquake ForceFe = 72.822857 kN kNFe (per titik balok) = 7.2822857

Mooring Dolphin

1. Dead Load 460.8 model

2. Live load = 2 kN/m2*luas penampang dolphin = 16 m2*panjang total balok = 24 m*Gaya per satuan panjang balok = 1.33333333333333 kN/m

3. Current force on pile transversal Err:509 Err:509

Err:509 Err:509Err:509 Err:509

longitudinal 0.1617696

4. Wave force on pile (HWS z= 0 )z F / L (kN) elevasi model0 18.165 0.82-17 9.400 17.82

5. Mooring force

5.1 Current force on mooring ship4.1 Tranversal current forces

Ftc

4.2 Longitudinal current forcesFlc

5.2 Wind force on mooring shipTransverse wind force ( Ftw) =

Longitudinal wind force ( Flw) =

# Total mooring perpendicular loadFy = (Ftc + Ftw)/2/cos 45 2134.76427111141

# Total mooring parallel loadFx = (Flc + Flw)/cos 15 156.580451504293

#Mooring force on mooring dolphinF = 150

5. Earthquake ForceFe = 19.9173626373626 kNFe (per titik balok) = 2.21304029304029 kN

500.042 sisa -39.242 dibagi -1.635083

kN/m

2908.35658467527 kN

103.821102 kN

front rearballast condition 104.832 110.656 kNloaded condition 63.232 71.136 kN

ballast condition 46.592 kNloaded condition 47.424 kN

3019.01258467527

151.245102

kN tee bollards trelleborg

dengan periode

Trestle

pelat = 7.2 x lebar pembebananbeban pipa = D 15 cm t 10 mm

0.3399832 kN/mbeban minyak 0.1590431 kN/mtotal pipa 0.4990263 kN/mSDL 7.6990263

2. Live load = 5 kN/m2LL = 5 x lebar pembebanan

3. Current force on pile transversal Err:509 Err:509

Err:509 Err:509Err:509 Err:509

longitudinal Err:509 kN/m

4. Wave force on pile (HWS z= 0 )z F / L (kN) elevasi model Err:509 Err:509 Err:509Err:509 Err:509 Err:509

5. Earthquake Force Fe = 16.355474 kN Fe per titik 2.7259124

1. Dead Load = 24 kN/m³ x 0.3 m = 7.2 kN/m