A Solution to the Inherent List on Nimitz Class Aircraft Carriers

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structural Analysis for Compartment 2-165-8-V: Ship Shell Plating Inner Longitudinal Bulkhead Perma Ballast® Data PPerma ■- 200-!^ ft ^"Perma.fill •= ■^' Density of Perma Ballast® Based on 95% Fillable Volume Conversion Fac<strong>to</strong>rs I<strong>to</strong>n := 224ab lb sw ft" Compartment 2-165-8-V Density of Seawater Volume := 3969ft Wperma-=2811<strong>to</strong>n Volume of Compartment Maximum Weight of Permanent Ballast that can be added in accordance with shell plating stress calculations FR175 FR180 Main Deck 9.83' 2nd Deck 6 Tees, spaced 26" apart (7.5#) 98
FR 165 - FR 180 Transverse Bulkheads 20-4# (-5") Main Deck 11.5' > Stringer #6 Girder Ship Shell Plating 30.6# (.75") 2nd Deck Ship Motion Fac<strong>to</strong>rs: Shell V:=1.2f Vertical A := O.li Athwartship F := 0.4 Fore/Aft Loading on Inner Longitudinal Bulkhead Plating: Wpgj^a = 6.294X 10 lb Weight of Perma Ballast® Fy := V-Wperma FA ■= AWpenna Fp:- FWpgj^jjja % ■- ^A FY = 7.868X 10 lb F^ =4.721x 10^ lb Fp = 2.518x 10^ lb Fj^=4.721x 10 lb Vertical Load (Downward) Athwartship Load (Port) Fore/Aft Load Normal Force 99
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A Solution <strong
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A Solution <strong
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Table of Contents Abstract 3 Acknow
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1.0 Introduction 1.1 Motivation Air
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class. Changes to
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classified into fo
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o Control the KG g
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the intact stabili
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for ships propulsion, respectively.
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combined with the
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1.3.7 Ballast Addition 1.3.7.1 Wate
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2% entrained air (by volume) in <st
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Tank name Tank volume Ballast type
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was successfully performed and <str
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of each tank's location was added,
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2.3 Preliminary Decision-Making Cos
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All further costin
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2.4 Structural Analysis One tank on
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this pressure. This resulted in a r
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2.4.1 Structural Modifications 2.4.
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Main Deck Shell FR 165 - FR 180 Tra
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2.4.1.3 Modifications to</s
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3.1 Final POSSE Results The minimum
Page 47 and 48: Table 6: Final Cost, Weight Additio
Page 49 and 50: Corrosion coupons are placed in all
Page 51 and 52: 5.0 Recommendations 1. As can be se
Page 53 and 54: References [I] Design Data Sheet 07
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Page 89 and 90: structural Analysis for Compartment
Page 91 and 92: Resulting Pressure on Sponson Plati
Page 93 and 94: Calculations to De
Page 95 and 96: Stress Calculations: k = coefficien
Page 97: Stress Calculations: k = coefficien
Page 101 and 102: Design of Plating for Surface Ships
Page 105 and 106: Main Deck Shell FR 165 - FR 180 Tra
Page 121 and 122: Stress Calculations: Stiffening k =
Page 123 and 124: Resulting Pressure on Shell Plating
Page 127 and 128: Stress Calculations for 227 I<stron
Page 129 and 130: Resulting Pressure on Inner Longitu
Page 137 and 138: Stress Calculations k = coefficient
Page 139 and 140: Resulting Pressure on Transverse Bu
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__ — __ — """ " *c; 1— ai S s
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o ON H 00 ^ ^ o > o -o B u H r^ 00
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MATERIAL WORK SHEET PERMA BALLAST®
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A Solution to the Inherent List on Nimitz Class Aircraft Carriers

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