Berthing Load 8000 DWT Lbp 203 m . B 34 m beam Md 10320 ton displacement of vessel D 12.32 m draft Vb 0.23 m/s berthing velocity h 17 m kedalaman perairan 1 ρ 1.03 sea water density Cb 0.11783 block coefficient = Md / ( Lbp x B x D x ρ ) K 26.87471 raius of gyration of vessel = ( 0,19 x Cb + 0,11 ) x Lbp R 53.52161 g 61.48042 = arc cos[(B/2)/R]-10 Ce 0.383424 eccentricity coefficient = {K²+R² x [cos (g)]²}/(K²+R² ) Cm 1.724706 mass coefficient = 1+ 2D/B Cs 1 softness coefficient Cc 1 berth configuration coefficient Energy Calculation En 180.5094 kN-m normal berthing energy Ea 270.7641 kN-m abnormal berthing energy = 1,5 x En R 885 kN t/m³ = √[( Lbp/4 )² + (B/2)²] = 0.5 x MD x Vb² x Cm x Ce x Cc x Cs
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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
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
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
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