brooklyn basin wharf repair and seismic retrofit
TRANSCRIPT
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2016 ICRI Kick-Off Party | February 1, 2016
Brooklyn Basin Wharf Repair and Seismic Retrofit
Sara Barrett, P.E. Ali Naeem, P.E.
April 12, 2018
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2016 ICRI Kick-Off Party | February 1, 2016
• Project Introduction• Pile Inspection and Assessment• Structural Slab Overlay to Ensure Life Safety under
Seismic Loading• Top-side Wharf Crack Repair Strategies• Seismic Retrofit of Existing Warehouse
Outline
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2016 ICRI Kick-Off Party | February 1, 2016
Project introduction
• Former Port of Oakland Shipping Terminal
• 10 acre Shoreline Park• Existing Structures built
between 1930 - 1950• 1000 ft. Warehouse• 1200 ft. x 225 ft. wharf
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2016 ICRI Kick-Off Party | February 1, 2016
Project Introduction - Background
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2016 ICRI Kick-Off Party | February 1, 2016
Project Introduction – Existing Conditions
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2016 ICRI Kick-Off Party | February 1, 2016
Project Introduction- Piles
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Evaluation – Inspection
• Concrete Core Testing of Wharf Deck, Pile Jackets, and Piles
• Pile and Wharf Visual Inspection• ASCE Manual of Practice 130:
Waterfront Facilities Inspection and Assessment
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Evaluation – Typical Cracking in Marine Piles
ATMOSPHERIC ZONE
TIDAL/SPLASH ZONE
SUBMERGED ZONE
CRACKING DUE TO CORROSION OF STEEL
CRACKING DUE TO CHEMICAL ATTACK1. Mg ION ATTACK2. SULFATE ATTACK3. CO2 ATTACK
MUD ZONE
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Evaluation – Deterioration Mechanism in Marine Environment
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf evaluation – Test data
• Carbonation depth
• Chloride content
• Concrete compressive strength
• Petrographic Examination
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2016 ICRI Kick-Off Party | February 1, 2016
Satisfactory Fair
Poor
SeriousPoor
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2016 ICRI Kick-Off Party | February 1, 2016
Pile Jacket Deterioration Pile concrete spall and section loss
Wharf evaluation – Pile inspection
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf evaluation – Pile repair
Procedure:• Chip away damaged concrete and clean
exposed reinforcement
• Install bottom form and Fasten FRP Jacket into place with or without new reinforcement
• Place epoxy materials into Jacket• Marine Epoxy Grout• Cementitious Non-shrink Grout• Trowel Epoxy
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2016 ICRI Kick-Off Party | February 1, 2016
• California Building Code Chapter 31F – Marine Oil Terminals (MOTEMS)
• ASCE 61-14– Seismic Design of Piers and Wharves
Wharf retrofit design criteria
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2016 ICRI Kick-Off Party | February 1, 2016
Site Specific Spectra
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf evaluation - Overview
LAND SIDE
WATER SIDE
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Evaluation – Existing rock dike
LAND SIDE WATER SIDE
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf evaluation – Inertial effects
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Evaluation – Pushover Analysis
First Yield
Immediate Occupancy
Life Safety
Effective Yield
Dem
and
Disp
lace
men
t
Displacement (in)
Base
She
ar (k
ip)
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf evaluation – Kinematic Effects
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf retrofit(N) LAND SIDE36” DIA. STEEL PIPE PILES
(N) WATER SIDE36” DIA. STEEL PIPE PILES
(N) CONCRETE PILES & REBUILT DECK
(N) WATER SIDE36” DIA. STEEL PIPE PILES
(N) CONCRETE PILES & REBUILT DECK
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf retrofit
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Retrofit – Overlay
• Repair any existing temperature and shrinkage cracks in existing slab
• Roughen top surface of the concrete deck
• Remove contaminants
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Retrofit – Slab Installation
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2016 ICRI Kick-Off Party | February 1, 2016
Wharf Retrofit – Overlay
• To repair the cracks, groove cut the crack with a saw or chipping tool
• After the routed crack is cleaned and allowed to fully dry, apply the sealant to the crack.
• Sealants are polyurethane materials
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal Building Retrofit – Overview
• 180 ft. Wide x 192 ft. Long -• Steel Trusses with Concrete Walls• Large Door Openings with New Large
Window Openings
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal Building Retrofit – East Wall
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal building Retrofit – North and South Walls
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal building Retrofit – Strategies
• Shotcrete Wall Strengthening at East and South
• New West Wall
• Wall Anchorage
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal Building Retrofit – Shotcrete Walls
South wall
East wall
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2016 ICRI Kick-Off Party | February 1, 2016
Terminal Building Retrofit – South Wall Elevation
1
1 2
2
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2016 ICRI Kick-Off Party | February 1, 2016
Summary
• Existing Piles and deck repaired
• New Structural Overlay
• New Steel Pipe Piles
• Terminal Building Retrofit
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2016 ICRI Kick-Off Party | February 1, 2016
Summary
• Existing Piles and deck repaired
• New Structural Overlay
• New Steel Pipe Piles
• Terminal Building Retrofit
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2016 ICRI Kick-Off Party | February 1, 2016
Summary
• Existing Piles and deck repaired
• New Structural Overlay
• New Steel Pipe Piles
• Terminal Building Retrofit
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2016 ICRI Kick-Off Party | February 1, 2016
Construction Updates
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2016 ICRI Kick-Off Party | February 1, 2016
Construction Updates
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2016 ICRI Kick-Off Party | February 1, 2016
Questions