prevention first 2006€¦ · “structural design of the marine terminal” prevention first 2006...
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![Page 1: Prevention First 2006€¦ · “Structural Design of the Marine Terminal” Prevention First 2006 September, 2006 Long Beach, CA POLA / Pacific Energy Berth 408 Crude Oil Import](https://reader033.vdocuments.us/reader033/viewer/2022042201/5ea0f79f08f5686fa278f181/html5/thumbnails/1.jpg)
“Structural Design of the Marine Terminal”
Prevention First 2006September, 2006Long Beach, CA
POLA / Pacific Energy Berth 408Crude Oil Import Terminal Design
Angel Lim, S.E. & John Posadas, P.E.
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Berth 408 Crude Oil Import Terminal
Angel Lim, S.E. & John Posadas, P.E.
POLA/Pacific Energy Berth 408 Crude Oil Import Terminal Design
Structural Design of the Marine Terminal
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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OUTLINE
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Unique Features
Facility Description
Structural Design per MOTEMS
Mooring & Berthing per MOTEMS
Structural Details
Design Innovation
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Unique Features
• 1st New Oil Terminal Designed to MOTEMS• Designed to meet new MOTEMS and POLA
Seismic Code• 81 ft of water depth• Designed to accommodate VLCC’s• 3-D analysis between structure and pipes
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Facility Description
• POLA Map• Faults• Structural Components
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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POLA Map
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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POLA Map
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Faults in Southern California
STRUCTURAL DESIGN OF THE MARINE TERMINAL
POLA
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Structural Component - Unloading Platform
STRUCTURAL DESIGN OF THE MARINE TERMINAL
• 60 ft wide x 100 ft long x 4 ft deep reinforcedconcrete slab
• 12-48” steel piles• Steel piles rigidly connected to underside of slab• 4-16” unloading arms
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Structural Component - Breasting Dolphin
STRUCTURAL DESIGN OF THE MARINE TERMINAL
• 4-40 ft sq. x 4 ft deep reinforced concrete slab• 4-48” steel piles• Piles rigidly connected to underside of slab
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Structural Component - Mooring Dolphin
STRUCTURAL DESIGN OF THE MARINE TERMINAL
• 6-25 ft sq. x 5 ft deep reinforced concrete slab• 4-54” battered steel piles• Piles rigidly connected to underside of slab
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Structural Component - North & South Trestles
STRUCTURAL DESIGN OF THE MARINE TERMINAL
• 244 ft long x 22 ft wide South Trestle• 33” deep pre-cast concrete box girders • Combined cast-in-place and pre-cast
concrete bent caps at 40 ft o.c.• 2-42” steel piles at each bent
• 214 ft long x 37 ft wide North Trestle• 33” deep pre-cast concrete box girders• Combined cast-in-place and pre-cast
concrete bent caps at 40 ft o.c.• 2-42” steel piles at each bent
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Structural Design per MOTEMS
• MOTEMS Risk Classification• Seismic Performance Criteria• Minimum Required Analytical Procedure
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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MOT Risk Classification
Purpose is to establish minimum seismic analysis and structural performance.Structural performance is evaluated at a two level criteria:Level 1 and Level 2MOTEMS risk classification (Table 31-F-4-1)All new MOTS are classified as high risk.1. Exposed oil ≥ 1200 bbls
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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MOTEMS Seismic Performance Criteria
Design Earthquake Motions:Level 1• Minor or no structural damage• Temporary or no interruption in operationsLevel 2• Controlled inelastic structural behavior with repairable damage• Prevention of structural collapse• Temporary loss of operations, restorable within months• Prevention of major spill ( ≥ 1200 bbls)
Seismic Performance Criteria:Select: High risk classification:Seismic Performance Level: Level 1 Level 2Probability of Exceedance: 50% in 50 years 10% in 50 yearsReturn Period: 72 years 475 years
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Response Spectra
STRUCTURAL DESIGN OF THE MARINE TERMINAL
POLA CLE
MOTEMS LEVEL 2
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MOTEMS Minimum Required Analytical Procedures
• Minimum Required Analytical Procedures:• Select: High / Moderate:• Configuration: Irregular• Substructure Material: Concrete/Steel• Displacement Demand Procedure: Linear Model• Displacement Capacity Procedure: Non Linear Static
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Minimum Analytical Procedure
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Minimum Analytical Procedure Design Approach
Basic Classification
Seismic Performance Level
Displacement Based Design
Develop Computer Model
Calculate Displacement Demand
Calculate Displacement Capacity
Check Pile Shear
Design for Shear Key Forces
CheckP-Δ
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Displacement Capacity Flow Chart
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Develop 2-D Models
Pile P-M Curve
Non-linear Hinge Properties
GeometrySection Properties:E, A and Ieff
Soil Springs Seismic Mass
Lower Bound Upper Bound
Pile Moment-Curvature Curves
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Seismic Mass
STRUCTURAL DESIGN OF THE MARINE TERMINAL
10% Live Load Added Dead Load
Dead Load
Pile Mass
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DIFFERENT POSSIBLE MODELS FOR DETERMINING DISPLACEMENT CAPACITY
INELASTIC FE (SOIL + PILE) MODEL
EQUIVALENT DEPTH TO FIXITY MODEL
Too complex! Too simplistic!
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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SAP2000 2-D Model Layout
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Typical top hinge
Pile
p-y soil springs
Deck
Typical in-ground hinge
1 23
45
6
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Pushover Curves
Total
0
50
100
150
200
250
300
0.0 4.0 8.0 12.0 16.0 20.0 24.0 28.0
Displacement, inches
Base
She
ar, k
ips
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Level 1
Level 2B
ase
She
ar, k
ips
Displacement, inches
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Displacement Demand Flow Chart
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Displacement Demand = Transverse Displacement
Demand x DMF
Calculate Displacement Demand
Initial Stiffness MethodFor Initial Check
Substitute Structure Method (Iterative)
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Displacement Demand Flow Chart
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Initial Stiffness Method for initial check
Calculate Displacement Demand
Initial stiffness from pushover curve
Damping = 5%
gKWT π2=
Read displacement demandform displacement
spectra for 5% damping
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Demand-to-Capacity Ratio (DCR)
• Demand x DMF / Capacity < 1.0
• DCR < 1.0
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Mooring & Berthing per MOTEMS
• Mooring/Berthing Risk Classification• Mooring Analysis• Berthing Analysis
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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MOTEMS Mooring/Berthing Risk Classification
STRUCTURAL DESIGN OF THE MARINE TERMINAL
Based on site specific parameters:
1. Wind
2. Current
3. Hydrodynamic effects of passing vessels
4. Change in vessel draft
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Mooring Analysis
Load Generated By• Wind• Wave• Passing Vessel• Seiche• Tsunami
STRUCTURAL DESIGN OF THE MARINE TERMINAL
MOTEMS Ref.• 3105F.3.1• 3105F.3.1• 3105F.3.2• 3105F.3.3• 3105F.3.4
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MOTEMS Windspeed Conversion Factor
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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MOTEMS Current Velocity Correction Factor
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Berthing Analysis
• Fender DesignBerthing Energy DemandEvessel = ½(W*Vn
2/g)Berthing Energy CapacityEfender = Cb*Cm*Evessel
• Tanker Contact LengthLc = 2r Sin α
• Longitudinal or Vertical Berthing ForcesF = μN
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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MOTEMS Berthing Velocity, Site Conditions& Max. Berthing Angle Tables
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Structural Details
• Ship Design Parameters• General Layout & Elevation• Mooring Layout for VLCC• Section at Unloading Platform• ULP Rigid Frame Joint Detail• ULP Reinforcing• MD Deck & Pile Reinforcing• MD Deck Reinforcing Plans• N & S Trestle Box Girder Layout• N & S Pier Layout & Cap Bm Details
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Ship Design Parameters
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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General Layout Plan & Waterside Elevation
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Mooring Layout for VLCC
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Section at Unloading Platform
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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North & South Trestle Box Girder Layout
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Design Innovations
• 1st New Oil Terminal Designed to MOTEMS• Optimized Seismic Design Analysis• Modularization of Structural Components• Advance Design-Build Process• Environmental Technologies
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Project Photos
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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Project Photos
STRUCTURAL DESIGN OF THE MARINE TERMINAL
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“Structural Design of the Marine Terminal”
Thank [email protected]
POLA / Pacific Energy Berth 408Crude Oil Import Terminal Design
Angel Lim, S.E. & John Posadas, P.E.
Question?