Pile Load Tests for New Orleans Storm Protection Projects...GIWW-WCC Test Pile Program 33 test piles...
Transcript of Pile Load Tests for New Orleans Storm Protection Projects...GIWW-WCC Test Pile Program 33 test piles...
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Pile Load Tests for
New Orleans Storm Protection Projects
W. Robert Thompson, III, P.E., M.ASCE
Dan Brown and Associates, PLLC
STGEC 2010
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Gulf Intracoastal Waterway West Closure Project
225-ft navigable sector gate
110-ft navigable sector gate
20,000 cfs pumping station
Bayou aux Carpes Floodwall
Relocated levee and tie-ins
LPV-145 Levee Improvement (T-walls)
5+ miles of T-wall
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Project Roles
Owner and Designer: U.S. Army Corps of Engineers (Team New Orleans)
GIWW Contractor: Kiewit/Traylor Brothers JV
LPV-145 Contractor: Kiewit/Massman/Traylor JV
DBA worked for Kiewit Engineering Company and both JVs providing engineering support for test pile programs and other construction tasks
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West Closure Complex
LPV-145 Project
IHNC Barrier
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GIWW-WCC Test Pile Program
33 test piles
Static Tests – axial, tension, lateral
Dynamic Tests – Pile Driving Analyzer (PDA) during driving and restrikes over time on the load test piles
Pile Types:
Open-ended pipe piles (24 total)
Dia =18”, 24”, 30” 54”
L = 120’ to 180’
Concrete piles (9 total)
18” square; L = 102 to 134
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Tip = -160’
Tip = -140’
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Photo: By Boh Brothers, courtesy of Kiewit
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Photo: By Boh Brothers, courtesy of Kiewit
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Photo: By Boh Brothers, courtesy of Kiewit
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Photos: USACOE Team New Orleans Photostream on flicker.com
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4 Test Sites
11 test piles (axial and tension)
6 indicator piles (dynamic testing)
HP 14x73, HP14x89, 24” Pipe Piles
Lengths 95’ to 110’ (planned)
Restrikes on indicator piles, not test piles
LPV-145 Test Pile Program
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Source: USACOE LPV145 Pre-proposal Conference Briefing PDF
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Tip -75
Tip -90
Tip -130
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Tip = -75’
Tip = -130’
Tip = -90’
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0
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0 100 200 300 400 500 600 700 800 900 1000
Re
stri
ke C
AP
WA
P R
ult
(kip
s)
Maximum Static Test Load (kips)
CAPWAP Restrike Rult vs. Max. Static Load
Test Site 1: HP14x73; el -75
Test Site 2: HP14x73; el -80
Test Site 4: HP14x89; el -90
CAPWAP = Static
CAPWAP > Static
CAPWAP < Static
Note: Restrikes performed on indicator piles, not static test piles
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Photos: USACOE Team New Orleans Photostream on flicker.com
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Questions?