OPERATING INSTRUCTIONSSIMPLY SUPPORTED SPANR

CONTINUOUS SPANPROVIDE

SUPPORTPermissible L/d =

CANTILEVERActual L/d =

WHERE YOU WANT.None

Nominal

Choose SECTION LOCATION hereAcceptance factor =97.5%

d = 244

K' = 0.1558

COMPRESSION STEELK = 0.0173 > K =

z = 231.8 > 0.95d =

As = 397.74 < min As =

(deflection control only)min As = 720

Required = 720

S = 150

As prov = 753.98

fs = 144.19

Base ratio = 26

Tens mod factor = 2.000

Comp mod factor = 1.000

Maximum spacing is okL/d (p) = 52

L/d (a) = 12.295OK

As increased by 1.000.00%

0

Subclause(a)0

Max S7440

Min Sb370

DESIGN OF FENDERSBERTHING MODESide BerthingBerthing Angle = 30Hull contact Angle with the Fender or Angle of Approach = 600Velocity of Vessel = 20m/sBERTHING ENERGYNORMAL ENERGYEN = 0.5 X M X VB2 X CM X CE X CC X CS= 0.5X82.65X 0.179X1.8X1.0X1.0X1.0= 13.315KNmWhere,EN = Normal berthing Energy M = Mass of Vessel = 82.65VB = Approach Velocity perpendicular to the berthing line = 0.179m/sCm = Added mass coefficient = 1.8CE = Eccentricity coefficient = 1.0Cc = Berthing configuration coefficient = 1.0Cs = Softness coefficient = 1.0

ABNORMAL ENERGYEA = FS X EN = 2.0X130.491 = 26.631KNmWhere,Fs = Factor of safety for abnormal berthing = 2.0EA = Abnormal EnergyEN = Normal Energy

FENDER SELECTIONEfficiency = Energy Absorbed /energy reaction generated = E/R = 26.631/84.3 = 0.316KN/m2/KN OKFENDER PANEL DESIGNFor smaller vessels, the HULL PRESSURE is considered same as BELTINGFOR Aluminum Hull in light vesselsBELTING LOAD = 150KN/mUHMW-PE FACING (FQ 1000) considered okSteel thickness [internal not exposed=8mm]STANDARDEN 10025 GRADES235JR [1.0038]YIELD STRENGHT235N/mm2 with psi 34000TENSILE STRENGTH 360N/mm2 with psi 52000

FASTENINGThread Nuts = 25mmWashers = 5mm thickBolts = M 16

Bollard Pull Calculation

Project:MARINA JETTY

Prop diam1.8m.Disk Area2.545sq.m

Pull Req'd26630kgSHP Reqd4119

Pull Req'dSHP Req'd

100030

Provide 30 tones Bollards