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Rigolets Pass Bridge ~ Test Pile Program

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Rigolets Pass Bridge ~ Test Pile Program 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.
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