RIGOLETS PASS BRIDGE ~ TEST PILE PROGRAM
By: Chris Nickel, P.E. LA DOTD Pavement & Geotechnical Services
Louisiana Department of Transportation & Development • BACKGROUND ~This state project consists of the construction of the new Rigolets Pass Bridge located in Orleans Parish along route US 90 near Chalmette, which is northeast of New Orleans. The Rigolets Pass waterway connects Lake Pontchartrain with the Gulf of Mexico.
~The existing bridge was built in 1931 and consists of two narrow traffic lanes along with a swing span to control major waterway traffic. In order to safely improve roadway and waterway traffic flow, a new two-lane high-rise structure will be built west of the existing structure. The new structure will consist of 63 bents with a total bridge length of 5,489 feet.
Louisiana Department of Transportation & Development MS. LAKE SLIDELL PONTCHARTRAIN I-10 TWIN SPANS CAUSEWAY RIGOLETS PASS
NEW LAKE ORLEANS BORGNE
Louisiana Department of Transportation & Development
EAST APPROACH ST. TAMMANY
WEST APPROACH ORLEANS
Louisiana Department of Transportation & Development EXISTING EAST APPROACH
Louisiana Department of Transportation & Development SWING SPAN
EXISTING STRUCTURE
Louisiana Department of Transportation & Development PILES TESTED • PROGRAM CONSISTS OF 6 PILES • 2 - 30” SQUARE PPC • 4 – 66” SPUN CAST POST TENSIONED CYLINDERS • LOADING METHODS • DYNAMIC / CAPWAP • STATIC (30” TEST PILE #1 ONLY) • STATNAMIC (3)
Louisiana Department of Transportation & Development SOIL BORING CPT
TEST PILE #1
30” PILES
Louisiana Department of Transportation & Development TEST PILE #1 • 30’’ SQUARE PPC VOIDED • TOTAL PENETRATION 44’ • DESIGN LOAD 195 TONS
• LOADINGS • DYNAMIC / CAPWAP – SET CHECKS : IEOD, 23 m, 60 m, 22 hr, & 15 d • 14 DAY STATIC • 21 DAY STATCAMIC
Louisiana Department of Transportation & Development SOFT GROUND +1.8 CLAY
RUN 27’
-41.5 TIP
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development CPT CAPACITY PREDICTION
Louisiana Department of Transportation & Development ENVIORNMENTAL CONCERNS
• VIBRATION MONITORING – FORT PIKE • THREATENED & ENDANGERED SPECIES – GULF STURGEON – WEST INDIAN MANATEE & SEA TURTLES
Louisiana Department of Transportation & Development FORT PIKE
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development RETAINING WALL TO BE MONITORED
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development TEST PILE #1
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development AFT’S STATNAMIC CABLES
Louisiana Department of Transportation & Development TRANSMITTER RECEIVER
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development NOT MUCH TO DRIVE
Louisiana Department of Transportation & Development COLLECTING THAT DATA
OR NOT
Louisiana Department of Transportation & Development EOD CAPACITY PREDICTIONS TOTAL SKIN PERM’NT LOADING TIME CAPACITY FRICTION DIS (Tons) (TONS)
IEOD 382 26 23 m 467 110 CAPWAP 60 m 493 137 32 BL/12” 22 hr 576 219 18 BL/6” 15 d 530 215 29 BL/6” STATIC 14 d *590 347 (Stat.) 0.21” STATNAMIC 21d *717 275 0.25”
*Not enough movement to fully mobilize the end bearing. TIME VS. CAPACITY
7,000 STATNAMIC 21 DAY
6,000
5,000 60 MIN 1 DAY 4,000 IEOD 22 MIN 3,000
Pile Capacity, kN Capacity, Pile 2,000
1,000
0 0.0001 0.001 0.01 0.1 1 10 100 Elapsed Time t, days GRAPH PROVIDED BY PAUL BULLOCK, PHD., PE
Louisiana Department of Transportation & Development 66” CYLINDER PILES ~ SPUN CAST & POST TENTIONED
• 16’ AND 8’ SECTIONS • TEST PILE LENGTHS BETWEEN 156’ – 200’. • GULF COST PRESTRESS PLANT (Pass Christian, Ms.)
Louisiana Department of Transportation & Development STEEL REINFORCEMENT
Louisiana Department of Transportation & Development CONCRETE PLACEMENT
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development 16’
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development OPEN DUCTS FOR STRAIN GAGES
Louisiana Department of Transportation & Development SG 4 SG 3 SG 1 SG 2
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development CPT B-30 TP 2
LOW WATER FOOTINGS
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development -42.6
-53.0
66” DIAM. & L=153’ EXCAVATED TO -42.6 10’ PILE RUN TIP ELEVATION -120.2 78’ PENETRATION -120.2
Louisiana Department of Transportation & Development TP 4 TP 2 TP 3
IND
Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development Louisiana Department of Transportation & Development 15” PLYWOOD PILE CUSHION
Louisiana Department of Transportation & Development EOD CAPACITY PREDICTIONS TP 2
PREDICTED PERMANENT LOADING TIME CAPACITY DISPLACEMENT (Tons) CAPWAP Initial EOD 856 -- 36 hr. *622 --
STATNAMIC 21 days *1,483 0.82”
*Not enough movement to fully mobilize the end bearing. Design Load = 635 tons
Louisiana Department of Transportation & Development -176.4
-182.0 -82.0
L = 200’ EXCAVATED TO -82.0 INITIAL TIP @ -176.4 REDRIVE TIP @ -182.0 PENETRATION = 100’ EOD CAPACITY PREDICTIONS IND. PILE
PREDICTED PERMANENT LOADING TIME CAPACITY DISPLACEMENT (Tons) CAPWAP Initial EOD 300 -- 48 hr. 750 --
STATNAMIC ------
Design Load = 484 tons
Louisiana Department of Transportation & Development TEST PILE #3
TIP @ -163.8
EXC. -68.6
L = 183’ EXCAVATED TO -68.6 PILE RUN = 28’ TIPPED @ -163.8 PENETRATION = 94.5’
Louisiana Department of Transportation & Development EOD CAPACITY PREDICTIONS TP 3
PREDICTED PERMANENT LOADING TIME CAPACITY DISPLACEMENT (Tons) CAPWAP Initial EOD 350 -- 24 hr. 1,025 --
STATNAMIC 22 days 1,538 1.10”
Design Load = 483 tons
Louisiana Department of Transportation & Development EOD CAPACITY PREDICTIONS TP 4
PREDICTED PERMANENT LOADING TIME CAPACITY DISPLACEMENT (Tons) CAPWAP Initial EOD 353 -- 48 hr. 1,058 --
STATNAMIC 30 days *1,657 0.34”
*Not enough movement to fully mobilize the end bearing. Design Load = 587 tons
Louisiana Department of Transportation & Development IND 5
Louisiana Department of Transportation & Development IND. PILE #5
RUN 30” SQUARE
TIP @ -28.0
Louisiana Department of Transportation & Development SANDS
Louisiana Department of Transportation & Development EOD CAPACITY PREDICTIONS IP 5
PREDICTED PERMANENT LOADING TIME CAPACITY DISPLACEMENT (Tons) CAPWAP Initial EOD 560 -- 24 hr. *621 --
STATNAMIC ------
*Not enough movement to fully mobilize the end bearing. Design Load = 162 tons
Louisiana Department of Transportation & Development PREPARING IND. PILE #5
Louisiana Department of Transportation & Development PLENTY OF DEBRIS REMAINS BY DECEMBER
Louisiana Department of Transportation & Development SEPTEMBER 3, FLY OVER EAST APPROACH
TEST PILE #5
Louisiana Department of Transportation & Development WEST APPROACH
Louisiana Department of Transportation & Development •2 MONTH DELAY DUE TO HURRICANE KATRINA •69,918 yd3 OF DEBRIS REMOVED AT A COST OF $1.5 MILLION
Louisiana Department of Transportation & Development APPROXIMATE 20’ STORM SURGE
Louisiana Department of Transportation & Development APRIL 2005
Louisiana Department of Transportation & Development AUGUST 2005
Louisiana Department of Transportation & Development Comments or Questions?
Thank you!
Louisiana Department of Transportation & Development