Foam Concrete Backfill for MSE Walls with Poor...
Transcript of Foam Concrete Backfill for MSE Walls with Poor...
Distance (m)
236
234
232
230
228
226
224
222
220
218
216
214
212
210
208
206
Eleva
tion (
m)
-10 -5 0 5 10 15 20 25 30 35 40 45 50
Lower Clay
Upper ClayGranular Back�ll
Multi-use Path
AbutmentFoam Concrete
Westbound
Chief Peguis Trail
236
234
232
230
228
226
224
222
220
218
216
214
212
210
208
206
PavementH = 4.5
41 H = 3.1
Silt
1.73
1.80 1.90
2.00
1.80
1.70
1.80
0 5 10 15 20 25 30 35 40 45 50
160
140
120
100
80
60
40
20
0
De�ection (mm)
Appli
ed Lo
ad (k
N)
Reinforcing mats being placed around Bridge Piles.
Foam Concrete being placed in the MSE back fill.
Foam Concrete being poured in stages along Rothesay Avenue.
Completed Abutment – North Side.
Fluid Foam Concrete setting in place.
Completed Abutment – South Side.
Figure 1. North Abutment Drained Conditions After Construction Seismic Figure 2. Rothesay Street Approach Embankment St. 0 + 370 Drained Condition After Construction Seismic Figure 3. Cross section of North Abutment.
Figure 6. Rothesay Ave. Wall Section at STA. 0 + 250Figure 5. Pull-Out destructive Testing on a W7.0 gauge wire mat
Figure 4. Construction Photographs
Foam Concrete Backfill for MSE Walls with Poor FoundationsChief Peguis Trail Extension, Winnipeg • Derek Essery, P. Eng., Technical Director, Engineered Products, Atlantic Industries Limited (AIL), [email protected]